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HomeMy WebLinkAboutResolutions - 1985.02.14 - 10977February 14, 1985 MISC. RESOLUTION 35014 BY Planning and Building Committee. IN RE: Sewer, Water and Solid Waste Division and. Drain Commission - Huron-Rouge Sewage Disposal System, Wastewater Disposal Standards and Regulations, TO TEE OAKLAND COUNTY BOARD OF COMMISSIONERS, Mr. Chairperson, Ladies and Gentlemen: WHEREAS, on November 19, 1981 by Miscellaneous Resolution L81397, the Board of Commissioners approved the Huron-Rouge Sewage Disposal System, Wastewater Disposal Standards and ReEmIations, dated October 1, 1981, end WHEREAS, the definition of non-residential, customers has been changed to include schools, churches, and municipifl buildings as non-residential cus- tomers, by the Detroit Water and Sewerage Department _letter dated November 15, 1994, and it is necessary to amend the Huron-Rouge S.D,S, Wastewater Disposal Standards and Regulations. NOW THEREFORE BE IT RESOLVED, that the amendments to said Wrastewater Standards and Regulations dated January 1, 1985, are hereby approved, Mr. Chairperson, on behalf of the Planning and B11dint Committee, I move the adoption of the foregoing resolution. PLANNING AND BUILDING COMMITTEE ,--- P.' I 21. c„ cc Op WASTEWATER DISPOSAL • STANDARDS AND REGULATIONS for the HURON-ROUGE SEWAGE DISPOSAL SYSTEM -la' hies L 71.gret aiopq .6) )1Xe W . of CD/nrn., A‘v, //Si Attic , ge.soi, 81377 fro14.no,,,,L0i?j,)14A.K. it 85014 (V5 of the COUNTY OF OAKLAND, MICHIGAN Prepared By: DONALD W. RINGLER, MANAGER SEWER, WATER AND SOLID WASTE DIVISION OAKLAND COUNTY, MICHIGAN 10-1-81 TABLE OF CONTENTS ARTICLE I Definitions ARTICLE II ARTICLE III ARTICLE IV ARTICLE V ARTICLE VI ARTICLE VII ARTICLE VIII ARTICLE IX Oakland County Department of Public Works - General Regulations Authority of Inspectors and Protection of Owner Discharge of Wastewaters into Public Sewers Discharge of Industrial or Commercial Wastes into the Public Sewers Rates for Wastewater Disposal Service A Regulation Governing Implementation of Surcharge Rules and Regulations on Sewage Metering Separability Clause 10-1-81 ABBREVIATIONS The following abbreviations shall have the designated meanings: BOD Biochemical Oxygen Demand CFR Code of Federal Regulations DWSD Detroit Water and Sewerage Department EPA Environmental Protection Agency FOG Fats, Oils and Grease Liter MDNR Michigan Department of Natural Resources MG Milligrams MC/L . Milligrams per Liter NPDES National Pollutant Discharge Elimination System POTW Publicly Owned Treatment Works, e.g. Wastewater System SIC Standard Industrial Classification SS Suspended Solids SWDA Solid Waste Disposal Act 42 DSC 6901, et seq. TSS Total Suspended Solid DSC United States Code 10/1/81 PREAMBLE TO REGULATIONS IT IS THE PURPOSE OF THESE REGULATIONS TO PROTECT THE PUBLIC HEALTH AND SAFETY AND TO ENABLE THE COUNTY OF OAKLAND AND THE MUNICIPALITIES CON- TRACTING WITH SAID COUNTY FOR WASTEWATER DISPOSAL SERVICES TO COMPLY WITH THE REQUIREMENTS OF APPLICABLE STATE AND FEDERAL LAWS, INCLUDING THE FEDERAL WATER POLLUTION CONTROL ACT OF 1972 (PUBLIC LAW 92-500), AS AMENDED STATE OF MICHIGAN ACT 245 OF 1929, AS AMENDED; FEDERAL DISTRICT COURT CONSENT JUDGEMENT AND SETTLEMENT AGREEMENT, UNITED STATES DISTRICT COURT, EASTERN DISTRICT OF MICHIGAN, SOUTHERN DIVISION C.A. NO. 771100; AND THE APPLICABLE RULES AND REGULATIONS PERTAINING TO SAID ACTS; AND THE REQUIREMENTS OF APPLIC- ABLE NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM PERMITS. FURTHER, THESE REGULATIONS ARE INTENDED TO ENABLE THE PARTIES TO COMPLY WITH STATE OF MICHI- GAN ACTS 342 OF 1939, AND 185 OF 1957. SAID REGULATIONS SHALL GOVERN THE DESIGN, CONSTRUCTION AND USE OF WASTE- WATER FACILITIES UNDER THE JURISDICTION OF THE COUNTY OF OAKLAND, ENUMERATING THE PERMIT REQUIREMENTS FOR TAPPING INTO COUNTY WASTEWATER FACILITIES, FOR ALTERING EXISTING COUNTY WASTEWATER FACILITIES, FOR PUMPING STATIONS AND FOR INDUSTRIAL CONNECTIONS TO PUBLIC SEWERS; AND THE AUTHORITY OF THE COUNTY'S INSPECTORS OR AUTHORIZED AGENTS IN THE COUNTY OF OAKLAND, STATE OF MICHIGAN; AND TO PROVIDE A UNIFORM POLICY FOR RATES FOR WASTEWATER DISPOSAL SERVICE. ALL THESE REGULATIONS SHALL APPLY TO THE FOLLOWING COMUNITIES WHICH ARE CONNECTED TO AND SERVED BY THE DETROIT WASTEWATER TREATMENT PLANT: TOWNSHIP OF NOVI CITY OF NOVI 10/1/81 ARTICLE 1 Definitions When used in these regulations the following terms shall have the meanings described in this Article unless the context specifically indicates a different meaning: "Act" or "The Act" shall mean the Federal Water Pollution Control Act PL 92-500, also known as the Clean Water Act, as amended, 33 U.S.C. 1251, Ft. Seq. fAppEcIval_Authority" shall refer to the Michigan Department of Natural Resources or the Environmental Protection Agency. "As-Built Plans" shall mean engineering drawings prepared after installa- tions of wastewater facilities which shall show a statement by a registered engineer or surveyor certifying this to be "as-built plans" and shall include, but not be limited to, length of sewer, invert elevation, locations with respect to property lines, wye and riser locations and depths, sewer material and joints used, and mechanical, electrical and structural details for pump stations, waste- water treatment facilities and other appurtenances. "Authorized Representative of Industrial User" shall refer to (1) A corporate officer, if the industrial user is a corporation; (2) a general partner or pro- prietor if the industrial user is a partnership or proprietorship, respectively; (3) or a duly authorized representative of the individual designated in either of the above if such representative is responsible for the overall operation of the facilities from which the indirect discharge originates or is the identified corporate, partnership or proprietorship representative for responding to such discharge inquiries or actions. "Biochemical Oxygen Demand (BOD)" shall mean the quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedure, five (5) days at 20 degrees centigrade expressed in terms of weight and concen- tration (milligrams per liter (MG/L), as measured by standard methods. "Building Drain" shall mean that part of the lowest horizontal piping of a drainage system that receives the discharge from soil, waste, and other drainage pipes inside the walls of the building and conveys it to the building sewer (house sewer), The latter begins five feet outside the inner face of the build- ing wall. fpllilsliag_Sew2r" shall mean the extension from the building drain that con- nects the building in which sanitary sewage originates to the public sewer or other place of disposal and conveys the sewage of but one building. "Categorical Standards" shall refer to National Categorical Pretreatment Standards or a pretreatment standard as promulgated under authority of the Act, 40 CFR 403. 1-1 10/1/81 "Commercial User" shall mean all non-domestic sources of indirect dis- charge other than industrial users, as defined herein including but not limited to the following: A publicly or privately owned facility where persons are engaged in the exchange or sale of goods or services, hospitals, retail establishments, schools and facilities operated by local and State governments. "Composit Sample" shall mean a series of grab samples of equal volume taken over a specified time period with no regard to the flow in the waste stream which are combined into one sample. "Consent Judgement" shall mean the judgement issued by Federal District Court on September 14, 1977, US EPA vs. City of Detroit et al C.A. No 77-1100. as amended. "Control Manhole" shall mean a suitable manhole together with such necessary meters, including where appropriate, adequate power source, and other appurtenances, to facilitate observation, sampling and measurement of wastewater to be constructed in accordance with plans approved by the County's Engineering personnel. "County" shall mean County of Oakland, State of Michigan, or its Authorized Representative, the Wayne County Board of Public Works. (TlAuthorized Repre- sentative applies to Article III and VII only.) "County Agency". shall mean the Oakland County Department of Public Works. "Critical Materials" shall mean the organic and inorganic substances, elements or compounds, listed in the register complied by the Water Resources Commission of the Department of Natural Resources of the State of Michigan. "Duelling" shall mean any structure designed for year around habitation including but not limited to houses, mobile homes, apartment buildings, condo- miniums and townhouses. "Environmental Protection Agency" or "EPA" shall meau the U.S. Environmental Protection Agency or where appropriate the term may also be used as a designation for the administrator or other authorized official of said agency. "Federal Grant" shall mean the grant made or to be made for the construc- tion of wastewater collection, transportation and/or treatment works provided under 131, 92-500, as amended. 1-2 10/1181 "Footing Drain " shall mean a pipe or conduit which is placed around the perimeter of a building foundation and which intentionally admits ground water. "Garbag_e ° shall mean the animal and vegetable waste resulting from the handling, preparation, cooking, and serving of foods. it is composed largely of putrescible organic matter and its natural moisture content. Fropeqy_Shredded Garbage - The wastes from the preparation, cook- ing and dispensing of food that have been shredded to such a degree that all particles will be carried freely under the flow conditions normally prevailing in public sewers, with no particle greater than one-half (1/2) inch (1.27 centimeters) in any dimension. "General Specifications" shall_ mean the current edition of standard material and construction requirements of the County of Oakland. "Grab Sampje" shall wean a sample which is taken from a waste stream on a one-time basis with no regard to the flow in the waste stream and without consideration of time or variation in constituent composition. "Ground Water" shall mean subsurface water occupying the saturation zone, from which wells and springs are fed. In a strict sense the term applies only to water below the water table. "Industrial User" shall mean a source of discharge under regulations issued pursuant to Section 402, of the Act, (33 USC 1342), which source originates from, but is not limited to, facilities engaged in industry, manufacturing, business, trade or research, including the development, recovery or processing of natural resources. "industrial Waste" shall mean any liquid, solid or gaseous waste or form of energy or combination thereof resulting from any process of Industry, manu- facturing, business, trade or research including the development, recovery or processing of natural resources. "Infiltration" shall mean water other than wastewater that enters a sewer- age system (including building sewer connections) from the ground through such means as defective pipes, pipe joints, connections or manholes. "Inflow" shall mean water other than wastewater that enters a sewerag e system (including sewer service connections) from sources such as roof leaders, cellar drains, yard drains, area drains, foundation drains, drains from springs and swampy areas, manhole covers, cross connections between storm sewers and sanitary sewers, catch basins, cooling towers, storm waters, surface runoff, street wash waters, or drainage. Inflow does not include, and is distinguished from, infiltration. "Interference" shall mean inhibitation or disruption of publicly owned sewer or a POTW 7 s sewer system treatment processes or operations which contributes to a violation of any requirement of its NPDES Permit. The term includes preven- tion of sewage sludge use or disposal by the POTW in accordance with Section 405 of The Act, or any criteria, guidelines or regulations developed pursuant to the Federal Solid Waste Disposal Act (SWDA), The Federal Clean Air Act, the Federal Toxic Substances Control Act, or more stringent state criteria applicable to the method of disposal or use employed by the POW. 10/1 /81 1-3 "Local" shall mean a prefix denoting jurisdiction by a sub-county governmental subdivision. "Municipality" shall mean any municipal corporation or political subdiv- ision or any governmental agency which contracts with the County of Oakland for the transportation or treatment of wastewater. "Noimal Domestic Strength Wastewater" shall mean a sewage or other waste- water effluent which shall be a-compatible pollutant with B.O.D. of 275 milli- grams per liter or less, suspended solids of 350 milligrams per liter or less, total phosphorus of 12 milligrams per liter, or less, and fats, oil and greases of 100 milligrams per liter or less. "NPDES Permit" shall mean a permit issued pursuant to the National Pollu- tant Discharge Elimination System prescribed in PI, 92-500. "Person" shall mean any individual, partnership, co-partnership, firu, company, corporation, association, joint stock company, trust, estate, unit of government, school district, or any other legal representative, agent or assigns. "pli" shall mean the negative reciprocal of the logarithm of the hydrogen- ion concentration. The concentration is the weight of hydrogen -ions, in grams per liter of solution. Neutral water, for example, has a pH value of I and a hydrogen-ion concentration of 10 -7 . "Pollutant" shall mean any dredged spoil, solid waste, incinerator residue, sewage, garbage, sewage sludge, munitions, chemical wastes, biological materials, radioactive materials, heat, wrecked or discarded equipment, rock, sand, cellar dirt and industrial, municipal, and agricultural waste discharged into water. "Private" shall mean a prefix denoting jurisdiction by a non-governmental entity. "Public" shall mean a prefix denoting jurisdiction by any governmental sub- division or agency. "Public Sewer" shall mean a common sewer controlled by a governmental agency or public utility. "Schedule of Unit Assignment Factors" shall mean a schedule of factors equating the amount of sewage originating from various types of residential, institutional, commercial and industrial users to the amount of sewage normally originating from a single family dwelling of average size. Used for the purpose of assessing user charges. "Separate" shall mean a prefix denoting a wastewater transmission facility which is intended to transport sanitary wastewater only. "Service Area" shall include any area whose wastewater is received by the County of Oakland for the transmission for treatment by the City of Detroit DWSD. "Sewage" or "Wastewater" shall mean spent water which may be a combination of the liquid and water-carried wastes from residences, commercial buildings, industrial plants, institutions, or other land uses, including drainage water inadvertently present in said waste. 10/1/81 1 -5 10/1/81 "Sewer" shall mean a pipe or conduit that carries wastewater or drainage water. See the following definitions modifying sewer: A. Building Sewer - In plumbing, the extension from the building drain to the public sewer or other place of disposal. Also called house connection. B. Combined Sewer - A sewer intended to receive both wastewater and storm or surface water. C. Common Sewer - A sewer in which all owners of abutting properties have equal rights. D. County Sewer - A public sewer controlled by the County Agency. E. Intercepting Sewer - A sewer that received dry-weather flow from a number of transverse sewers of outlets and frequently additional predetermined quantities of storm water (if from a combined system), and conducts such waters to a point for treatment of disposal. F. Lateral Sewer - A sewer which is designed to receive a building sewer. G. Municipal Sewer - A public sewer exclusive of a county sewer. U. Public Sewer - A common sewer controlled by a governmental agency or public utility. I. Sanitary Sewer - A sewer that carries liquid and water-carried wastes from residences, commercial buildings, industrial plants, and institutions, together with minor quantities of ground, storm, and surface waters that are not admitted intentionally. J. Storm Sewer - A sewer that carries storm water and surface water, street wash and other wash waters, or drainage, but excludes domestic wastewater and industrial wastewater. Also called a storm drain. K. Trunk Sewer - A sewer which connects the lateral sewer to the inter- cepting sewer and to which building sewers may be connected. "Shall" Is mandatory; "May" is permissive. "Slug" shall mean any discharge of water, sewage or industrial waste which In concentration of any given regulated constituent or in quantity of flow, ex- ceeds for any period of duration longer than 15 minutes, more than 5 times the average 24-hour concentration or flows during normal operation. "Standard Industrial Classification (SIC)" shall refer to a classification _ made according to the standard industrial classification manual issued by the Executive Office of the President, Office of Management and Budget, 1977. . "Standard Methods" shall mean the laboratory procedures set forth in the latest edition, At The Time of Analysis, of "Standard Methods for Examination of Water and Wastewater", published by The American Public Health Association or methods given In 40 CFR 136, "Guidelines For Establishing Test Procedures For Analysis of Pollutants". Where these two references are in disagreement on procedures for the analysis of a specific pollutant, the methods given in 40 CFR 136 shall be followed. "Storm Water" shall mean the water running off from the surface of a drain- age area during and immediately after a period of rain. "Surface Water" shall mean: 1. All water on the surface, as distinguished from subterranean water. 2. Water appearing on the surface in a diffused state, with no permanent source of supply or regular course for any considerable time, as dis- tinguished from water appearing in watercourses, lakes or ponds. "Suspended Solids" shall mean the total suspended matter that floats on the surface of, or is suspended in, water, wastewater or other liquids and which is removable by laboratory filtering as measured according to standard methods. "Total Equivalent Master Metered Water Consumption" shall mean the equiv- alent. to the total amount of potable water used by a municipality as recorded by a master water meter for sewered premises, and shall include, but not limited to, fire prQrection water, gardening and lawn water. "Toxic Pollutant" shall mean any pollutant or combination of pollutants listed as toxic in regulations promulgated by the EPA under the provision of the Clean Water Act, Section 307(A), 33 USC 1317, or included in the critical mater- ial register promulgated by the NDNR, or other acts. "Unpolluted Industrial Process Water" shall mean an industrial process water or cooling water which is completely compatible with applicable stream standards, excepting thermal limitations. "I.Tyset Condition" shall mean an exceptional incident in which there is an unintentional and temporary noncompliance with applicable effluent standards and criteria due to circumstances beyond the reasonable control of the user. An upset does not include noncompliance to the extent caused by operational error, improperly designed treatment facilities, inadequate treatment facilities, lack of preventative maintenance or careless or improper operation. "Wastewater" shall mean the spent water of a community. From the standpoint of source, it may be a combination of the liquid and water-carried wastes from residences, commercial buildings, industrial plants, and institutions, together with any groundwater, surface water, and storm water that may be present. In recent years, the word"wastewater" has taken precedence over the word "sewage". See the following definitions modifying wastewater: A. Combined Wastewater - A mixture of storm water and other wastewater such as domestic or industrial wastewater. B. Domestic Wastewater - Wastewater derived principally from sanitary conveniences of dwellings, business buildings, institutions and the like. C. Industrial Wastewater - Wastewater from industrial and certain com- mercial operations as distinct from domestic wastewater. D. Sanitary Wastewater - A combination of domestic and industrial wastewaters together with allowable infiltration. "Wastewater Facilities" shall mean the structures, equipment, and processes required to collect, carry away, and treat domestic and industrial wastes and dispose of the effluent. "Wastewater Transmission Facilities" shall mean all facilities for collecting transporting, regulating, pumping and storing of wastewater. "Wastewater Treatment Works" shall mean: 1. An arrangement of devices and structures for treating wastewater, in- dustrial wastes and sludge. Sometimes used as synonymous with waste treatment plant or wastewater treatment plant. 2. A water pollution control plant. "Wayne County" shall mean the Wayne County Board of Public Works and its staff. 1-6 /0-1-81 ARTICLE II OAKLAND COUNTY DEPARTMENT OF PUBLIC WORKS COUNTY OF OAKLAND SEWAGE DISPOSAL SYSTEMS GENERAL REGULATIONS All sanitary sewer systems connected directly or indirectly into the intercepting sewer or sewers of the Oakland County Department of Public Works shall meet the following requirements; 1. Plans, Permits and Bonds (A) Prior to connection and prior to start of construction, all sanitary sewer systems shall have engineering plans and specifications pre- pared by a professional engineer and shall be approved by the Oakland County Department of Public Works. (B) A connection permit shall be obtained by the owner or contractor from the Oakland County Department of Public Works. Said connection permit shall show the location of the work, the extent of the work, information regarding the contractor, the owner and the engineer, and any other pertinent information as shall be determined necessary by the Department of Public Works. A fee shall be. charged for said permit to cover the cost of inspection of each connection, and to verify the result of the acceptance test. The permit fee shall be $100.00 for each connection plus $10.00 for each new manhole constructed. Inspection requested during other than nolmal working hours shall be performed only if deemed necessary by the Oakland County Department of Public Works. The fee for such inspection shall be $100.00 per day minimum, in addition to the notwal connection permit fee. Individual building sewers which are directly connected into the County sanitary sewer system shall conform to all applicable require- ments of these regulations. A connection permit, for which a charge of $25.00 will be made by the Oakland County Department of Public Works, shall be obtained from the Department of Public Works before such connection is made. Prior to the issuance of such connection permit, the person obtaining such permit shall have obtained the written approval of the local unit of government. Connection shall be made in a workmanlike manner and in accordance with methods and procedures established by the Department of Public Works. The party to whom such a permit is issued shall be responsible for notifying the Department of Public Works 24 hours in advance of the date and time when such a connection is made so that proper inspection of same can be made by the department. (D) Prior to the adjustment, reconstruction, relocation or any other altering of the sewers of the County of Oakland including manhole structures, the Contractor or the person responsible for the work shall first obtain a permit to do such work from the Oakland County Department of Public Works. Said peLmit fee shall be determined by the Department of Public Works. II-1 1011/81 (C) (E ) Prior to construction and during the life of permits obtained in accordance with Paragraphs 1(B), 1(C) and 1(D) of these general regulations, all owners or contractors shall: (1) yearly furnish to the Oakland County Department of Public Works a satisfactory surety bond in the amount of five thousand dollars ($5,000.00) as security for the faithful performance of the work in accordance with the plans and specifications and Departmental Standards, and (2) yearly furnish to the Oakland County Department of Public Works a cash deposit in the amount of five hundred dollars ($500.00). Such deposit shall provide funds for emergency work and/or such other work as may be deemed necessary by the Oakland County Department of Public Works, arising as a result of construction by the owner or contractor. Such bonds shall not be cancelled by the owner, the contractor or the surety without first having given ten (10) days written notice to the Oakland County Department of Public Works. Cash deposits may be returned to the owner or contractor within ten (10) days of receipt of written request therefore, except that no deposits will be returned until such time as all outstanding permits have received final inspection and approval. In the event that it becomes necessary for the Oakland County Department of Public Works to expend funds for work arising as a result of con- struction by the owner or the contractor, then the cost of such work shall be deducted from the aforementioned cash deposit. The owner or contractor shall have the right and opportunity to correct any deficiencies promptly before any deposit funds will be spent by the Oakland County Department of Public Works. The owner or contractor shall, within thirty (30) days of the mailing of written notice thereof, pay to the Oakland County Department of Public Works the entire amount of such cost. Failure to comply with these rules and regulations and the standards of the Oakland County Department of Public Works may result in the immediate termin- ation of the surety and cash bonds. 2. Bulkhead The.contractor shall install a suitable bulkhead to prevent construction water, sand, silt, etc. from entering the existing sewer system. Such bulkhead shall be left in place until such time as removal is authorized by the Oakland County Department of Public Works. 3. Acceptance Test All sanitary sewer systems shall be subjected to infiltration, air, or exfiltration tests or a combination thereof in accordance with the following requirements prior to acceptance of the system by the Oakland County Depart- ment of Public Works and prior to removal of the bulkhead as required in Paragraph (2). All final acceptance tests shall be witnessed by the Oakland County Depart- ment of Public Works. (A) Infiltration Test All sewers over 24" diameter shall be subjected to infiltration tests. All sewers of 24" diameter or smaller where the ground water level 11-3 10/1/81 above the top of the sewer is over 7 feet shall be subjected to an infiltration test. Maxim6m allowable infiltration shall not exceed 250 gallons per Inch of diameter per mile of pipe per 24 hours for the overall project. Maximum allowable infiltration shall not exceed 500 gallons per inch of diameter per mile of pipe per 24 hours for any individual run between manholes. (B) Air Test or Exfiltration Test All sewers of 24 inch diameter or less, where the ground water level above the top of the sewer is 7 feet or less shall be sub- jected to air tests or exfiltralion tests. For exfiltration tests, the internal water level shall be equal to the external water level plus seven (7) feet as measured from the top of pipe. The allowable exfiltration rate shall be the same as that permitted from infiltration. The procedure for air testing of sewers shall be as follows: The sewer line shall be tested in increments between manholes. The line shall be cleaned and plugged at each manhole. Such plugs shall be designed to hold against the test pressure and shall provide an airtight seal. One of the plugs shall have an orifice through which air can be introduced into the sewer. An air supply line shall be connected to the orifice. The air supply line shall be fitted with suitable control valves and a pressure gauge for continually measuring the air pressure in the sewer. The pressure gauge shall have a minimum diameter of 3-1/2 inches and a range of 0-10 PSTG. The gauge shall have minimum divisions of 0.10 PSTG and an accuracy of ± 0.04 PSIG. The sewer shall be pressurized to 4 PSIG greater than the greatest back pressure caused by ground water over the top of the sewer pipe. At least 2 minutes shall be allowed for the air pressure to stabilize between 3.5 and 4 PSIG. If necessary, air shall be added to the sewer to maintain a pressure of 3.5 PSIG or greater. After the stabilization period, the air supply control valve shall be closed so that no more air will enter the sewer. The sewer air pressure shall be noted and timing for the test begun. The test shall not begin if the air pressure is less than 3.5 PSIG, or such other pressure as is necessary to compensate for ground water level. The time required for the air pressure to decrease 1.0 PSIG during the test shall not be less than the time shown in the "Oakland County Department of Public Works Air Test Tables". Manholes on sewers to be subjected to air tests shall be equipped with al/2 inch diameter galvanized capped pipe nipple extending through the manhole, 3" into the manhole wall and at an elevation equal to the top of the sewer pipe. Prior to the air test the ground water elevation shall be detelmined by blowing air through the pipe nipple to clear it and then connecting a clear plastic tube to the IT-4 I .P pipe nipple. The tube shall be suspended vertically in the manhole and the ground water elevation determined by observing the water level in the tube. The air test pressure shall be adjusted to com- pensate for the maximum ground water level above the top of the sewer pipe to be tested. After all tests are performed and the sewer is ready for final acceptance, the pipe nipple shall be plug- ged in an acceptable manner. If a sewer fails to pass any of the previously described tests, the contractor shall determine the location of the leaks, repair them and retest the sewer. The tests shall be repeated until satisfactory results are obtained. All visible leaks and cracks shall be repaired regardless of test results. 4. Storm and Ground Water Control (A) Yard drains, patio drains, catchbasins, downspouts, weep tile, perimeter and footing drains or any other structure used for the collection and conveyance of stoLm water and/or ground water shall not be permitted to discharge into any sanitary sewer connected directly or indirectly to the County System, except as provided under Paragraph 4(B). (B) Perimeter and footing drains from buildings existing on or before December 16, 1968 that were legally permitted and connected to a sanitary sewer system prior to December 16, 1968, shall not be required to disconnect from the sanitary sewer system. (C) The crock to iron joint shall be sealed by an approved flexible adaptor fittings such as those manufactured by Fernco Joint Sealer Company, or as approved by the Oakland County Department of Public Works. The iron pipe inside the building shall be plugged and leaded and remain plugged and watertight until such time as the plumbing is carried on to the first floor, the basement backfirTed and roof is on the building, thereby providing that no water from the excavated basement will enter the sanitary sewer. 5. Building Sewers House connection sewer from lateral sewer in street or easement to within five (5) feet from house shall be (A) 6" diameter Extra Strength Vitrified Sewer Pipe, manufactured in accordance with current NUT Designation ER 4 -67 Standards, or equal, with DPW approved premium joint, or (B) 6" diameter Class 2400 Asbestos Cement Pipe with Ring-Tite, Fluid- Tite or DPW approved joint, or (C) 6" diameter, service strength, cast iron soil pipe with hot poured lead joint, or DPW approved equal, or (D) 6" diameter Extra Strength (ES) solid wall pipe extruded from Aerylonitrile-Butadienc-Styrene (ABS) plastic meeting the minimum cell classification 2 -2 -3 as defined in ASTM Specification D1788 -68, (E) Other pipe and joints as may be approved by the Oakland County Departmcnt of Public Works. Copies of the Oakland County D.P.W. approved joint shall be on file at the offices of each community in the systems. House connection sewers shall be 6" minimum diameter, except that 4" pipe of comparable strength and joint material may be used if permitted by the local unit of government. All joints shall be tight and when tested for infiltration, or exfiltration, shall not exceed the requirements of Paragraph (3) of these regulations. 6. Septic Tank Abandonment and Waste Disposal (A) Prior to connecting an individual building sewer to the sewers of the County of Oakland, either directly or indirectly, all existing wastewater treatment facilities, including septic tanks, tile fields, and sump pumps shall be physically and permanently disconnected from the building sewer. (B) Septic tank sludge shall be discharged into the sewers of the County, directly or indirectly, only at locations specified by the Oakland County Department of Public Works, and only after obtaining proper septic tank dumping tickets. (C) The liquid and solids from an abandoned septic tank shall not be drained, dewatered, pumped or in any other manner discharged to the sewers of the County, except as provided for above. 7. Ownership, Operations and Maintenance Responsibility All new sanitary sewer systems, except individual building sewers, connected directly or indirectly into the intercepting sewer or sewers of the County of Oakland shall be owned, operated and maintained by the governing community. This includes but is not necessarily limited to on-site sewer systems serving condominiums, apartment projects, shopping centers and mobile home parks. 8. Manholes (A) All manholes constructed on sanitary sewer systems shall be provided with lid frames bolted to the cone section of the manhole with rubber 0-ring gaskets compressed between the frame and the top of the cone in accordance with the current "Standard Manhole Detail" of the Oakland County Department of Public Works. Adjustments to manhole tops shall be accomplished by using precast concrete adjustment rings bolted to the cone section of the manhole with rubber 0-ring gaskets compressed between each adjacent ring. Mortar and brickwork adjustment at the tap of manholes will not be allowed. All manhole riser and cone sections shall have modified groove tongue joint with rubber gasket. The bolted frame, bolts, adjustment rings and 0-ring gaskets shall be in accordance with the standards of the Oakland County Department of Public Works. 10 /1/8 1 11-5 • (C) All manholes shall be provided with "Bolted Waterproof Covers" in accordance with the current "Standard Manhole Detail." of the Oakland County Department: of Public Works. Although not recommended, and only under certain circumstances, consideration will be given to the burying of manholes in lieu of providing bolted covers and only upon written request to the Oakland County Department of Public Works. 9. As-Built Plans Prior to the acceptance of any sewer system and prior to the removal of the bulkhead as required in Paragraph 2(except under extenuating circumstances as may be approved by the Director) as-built plans shall be provided the Oakland County Department of Public Works. Said as-built plans shall show a statement by a registered engineer or surveyor certifying this to be "as-built plans" and shall include, but not be limited to length of sewer, invert elevation, locations with respect to property lines, wye and riser locations and depths, and sewer material and joints used All Combined sewer systems connected directly or indirectly to the intercepting sewer or sewers of the County of Oakland shall meet the following requirements: 10. Paragraphs (1), (2), (5), (6), (7), (8) and (9) are required for sanitary sewer system connecting to interceptor sewers of the County of Oakland as hereinbefore mentioned. 11. Prior to acceptance of the system and prior to removal of the bulkhead as required under Paragraph (9) of these general regulations, all combined sewer systems shall be subjected to an infiltration test in accordance with the infiltration requirements of the Oakland County Department of Public Works as outlined in Paragraph (3) of these general regulations. Said test shall be witnessed by the Oakland County Department of Public Works. 12. Downspouts and footing drain tile may be connected to a combined sewer if permitted by the local unit of government. 13. No requirements of the Oakland County Department of Public Works, or permits issued hereunder by said department shall relieve the property owner of complying with all the rules and regulations of the local unit of government, wherein such property is located, when such rules and regulations are not in conflict with the requirements of the Department of Public Works. 14. All sewer construction shall comply with the "General Specifications" of the Oakland County Department of Public Works. Copies of said specifications may be obtained from the Office of the Department of Public Works. 1.0 /I /81 • ARTICLE ITT AUTHORITY OF INSPECTORS AND PROTECTION OF OWNER This article defines the extent and limitations of the authority of the County Agency to police wastewater systems connected to county waste- water facilities to insure compliance with these regulations. . I. Authorized Representative of the County The Detroit Water and Sewerage Department is required by the Federal Water Pollution Control Act of 1972 (Public Law 92-500), as amended, the State of Michigan, Act 245 of 1929, as amended, the NPDES permit and the United States District Court, Eastern District of Michigan, Southern Division, C.A. No. 77-1100 Consent Judgement as amended and the Settlement Agreement to develop and maintain an Industrial Waste and Surveillance Program for all users connected to the Wastewater Treatment Facility of the City of Detroit. The Huron-Rouge Sewage Disposal System is connected to the Detroit Wastewater Treatment Facility via Wayne County's interceptor and collection system, and Wayne County has elected to be a participating agency of the City of Detroit and has chosen to develop and maintain an Industrial Waste and Surveillance Program for the Huron-Rouge Sewage Disposal System, The County has granted the Wayne County Board of Public Works the right to act on behalf of the County as the County's authorized rep- resentative in matters related to the Industrial Waste and Surveillance Program. 2. Authority A. Authorized representatives of the County Agency bearing proper credentials and identification shall be permitted to enter all properties during normal business hours for the purposes of in- spection, observation, measurement, sampling and testing in accordance with the provisions of this regulation. The representa- tives shall have no authority to inquire into any processes in- cluding metallurgical, chemical, oil refining, ceramic, paper or other industries beyond that point having a direct bearing on the kind and source of discharge to the sewers or facilities for wastewater treatment. B. Authorized. representatives of the County Agency bearing proper credentials and identification shall be peiwitted to enter all private properties through which the County or local municipality holds a duly negotiated easement for the purposes of, but not limited to, inspection, observation, measurement, sampling, repair, and maintenance of any portion of the wastewater transmission 10/1/81 facilities lying within said easement. All entry and subsequent work, if any, on said easement, shall be done in full accordance with the terms of the 'duly negotiated easement pertaining to the private property involved. 3. Protection While performing the necessary work on private properties referred to in Item 1 above, the authorized representatives of the County Agency shall observe all safety rules applicable to the premises established by the Company and the company shall be held harmless for injury or death to the county employees and/or its authorized representatives. 111-2 10/1/81 ARTICLE IV DISCHARGE OF WASTEWATERS • INTO PUBLIC SEWERS The regulations contained . in this article are generally intended to; (1) prohibit the discharge to Public wastewater facilities of wastes which could have detrimental effects on the physical structures, treatment pro- cesses or operating personnel of the system, or on the general public; (2) restrict the discharge to public wastewater facilities of technically unpolluted water; and, (3) provide a means of collecting critical informa- tion on which to base future use restrictions and surcharge rates. 1. General Conditions A, No person shall discharge, or cause to be discharged, any storm water, surface water, ground water, roof runoff, footing drain- age, or unpolluted industrial process waters directly or indirectly to any sanitary sewer; except as specifically exempted herein. B. Storm water shall be discharged to such sewers as are specifically designated as combined sewers or storm sewers, or to a natural out- let. All other unpolluted drainage, industrial cooling water or unpolluted process waters shall be discharged to a storm sewer, or natural outlet. C. No person shall discharge or cause to be discharged materials, or wastes which may singly or by interaction with other wastes be deleterious to sewers, wastewater treatment processes or equip- ment; have an adverse effect upon a receiving stream; endanger life, limb, public property; or constitute a public nuisance, such as to cause, but not limited to, the following: 1. Chemical reaction, either directly or indirectly, with any materials of construction to impair the strength or dura- bility of sewer structures. 2. Mechanical action that will destroy or damage sewer structures. 3. Restriction of hydraulic capacity of sewer structures. 4. Interference with normal inspection or maintenance of sewer structures. • Placing of unusual demands upon the wastewater treatment equipment or process of biological, chemical or physical means. 6. Limitation of the effectiveness of the wastewater treatment process. 7, Hazardous effect upon sewer maintenance or treatment personnel or the general public. 10 /1/81 IV-1 -2 10 /1181 2. Specific Conditions Wastewater discharges shall conform to limitations found elsewhere in these regulations. Future conditions imposed on he County Agency by jurisdictional government agen- cies or DWSD may require subsequent re-appraisal and modification of these regulations by the County Agency. Where federal or state guide- lines require limits on parameters not covered in this Regulation, the state or federal limits shall take precedence. 3. Wastewater Analyses A. All the preceding conditions are to apply at the point where wastes are discharged into a public sanitary or combined sewer and all chemical and/or mechanical corrective treatment must be accomplished to practical completion before this point is reached. B. All measurements, tests, and analyses of the characteristics of waters and wastes to which reference is made in this regulation shall be determined in accordance with the current edition of "Standard Methods for the Examination of Water and Wastewater," published by the American Public Health Association. C. Sampling shall be carried out by customarily accepted methods to reflect the effect of constituents upon the wastewater facilities , and to determine the existence of hazards to life, limb, and pro- perty. The County Agency will determine the method of sampling to be used. 4. Restrictions A. If any waters or wastes are discharged, or are proposed to be dis- charged, to the public sewers, which waters contain the substances, possess the characteristics, or exceed the limitations enumerated elsewhere, the County Agency may 1. Prohibit the discharge of the wastes to a public sewer, or, 2. Temporarily permit the discharge of the wastes to a public sewer to any conditions that the County Agency and local municipality may recommend based an their review of such factors as quantity of the waste in relation to flows and velocities in the sewers, materials of construction of sewers, nature of the wastewater treatment process, capac- ity of the wastewater treatment works, degree of treat- ability of the waste, and any other pertinent factors, or, 3. Require pretreatment to an acceptable condition for discharge to a public sewer, and/or, 4. Require control over the quantities and rates of discharge to public sewers. 5. Apply a surcharge as described elsewhere in these regulations. B. In all cases, the County Agency may require payment to cover any additional costs it may incur in connection with inspecting, sampling ,testing, handling and treating the wastes, not covered by existing wastewater charges. 1. When the pretreatment or equalization of waste flows is per- mitted, the design and installation of the plants and equip- ment shall be subject to the requirements of all applicable codes, ordinances and laws. 2. Where preliminary treatment of flow-equalizing facilities are provided for any waters or wastes, they shall be maintained continuously in satisfactory and effective operation by the owner at his expense. 10/1/81 IV-3 10/1/81 ARTICLE V DISCHARGE OF INDUSTRIAL OR COMERCIAL WASTE INTO THE PUBLIC SEWERS The regulations contained in this Article are generally intended to protect the public health and safety through the regulation and control of the quantity and quality of industrial and commercial waste admitted into the public waste- water treatment system and to enable the municipalities contracting with the County of Oakland for sewage disposal and the County of Oakland to comply with the requirements of applicable State and Federal Laws, including the Federal Water Pol- lution Control Act of 1972 (Public Law 92-500), as amended, and the State of Michi- gan, Act 245 of 1929, as amended, and the applicable National Pollutants Discharge Elimination System Permits, Federal District Court Consent judgement and Settle- ment Agreement, United States District Court, Eastern District of Michigan, Southern Division, C.A. No, 771100, and by Federal Environmental Protection Agency General Pretreatment Regulations (40 CFR 403). This regulation shall apply specifically to those municipalities whose users discharge sewage into the public wastewater system which, In turn, is discharged for treatment to the City of Detroit publicly owned treatment works. PROHIBITIONS A. Prohibited Pollutants - It shall be unlawful for any person to cause or allow to be discharged sewage or wastes of any kind or indirectly into the wastewater system which does not conform to the criteria or effluent standards set forth in "Appendix A" to this Regulation. The user shall be permitted to demonstrate to the County of Oakland that the influent being received by the user contains pollutaNts and, upon such demonstration, the user shall be accountable only for the net pollutants added to the effluent and not for the total pollutants contained in the effluent. The user shall not be liable for noncom- pliance due to an upset condition. B. Measuring Methods. - In order to ascertain whether or not the sewage or waste of any kind discharged by any person into the public sewers or wastewater system conforms to the criteria or effluent standards established and adopted by this Regulation, the County may use any appropriate method or device which will lead to such a determination. All measurements, tests and analyses of wastewater, sewage and wastes of any kind shall be determined in accordance with standard methods. C. Samplin& - When required by the County, each person covered by this Regulation shall provide a control manhole or any other device or faci- lity suitable and appropriate to enable the County to conduct gauging and sampling operations to determine conformance with the criteria and effluent standards established and adapted by this Regulation. The gauging and sampling facility should normally be situated on the user's premises, but the County may, when such a location would be impractical or cause undue hardship on the user, allow the facility to be constructed In the public street or sidewalk area and it shall be the responsibility of the user to obtain any necessary approvals for the location of the ganging and sampling facility from appropriate governmental agencies. The County shall have the right, during reasonable hours and at the option of the user, accompanied by a representative of the user, to enter upon the premises of each person for the purpose of setting up measurement or sampling devices or facilities, or for inspecting or examining the same or for conducting necessary or desirable measuring and sampling operations. ' The duly authorized employees of the County shall be permitted to enter all properties accompanied by a representative of the user, at the user's option, for the purpose of inspection, observation, measurement, sampling and testing in accordance with the provisions of this Article. Duly authorized employees shall have no authority to inquire into any process, including metallurgical, chemical, oil, refining, ceramic, paper or other industries beyond that point having a direct bearing on the kind and source of discharge to the sewers or waterways or facilities for waste treatment. While performing the necessary work on private properties, authorized employees of the County shall observe all safety, security and other company rules applicable to the premises established by the company. Where requested by the property owner or his agent, such persons shall leave a portion of any sample taken from any sampling point on or ad- jacent to the premises with such property owner or agent. In cases of disputes arising over shared samples, the portion taken and analyzed by the representatives of the County shall be presumed to be the valid sample. D. Federal Categorical Pretreatment Standards - A Federal Categorical Pre- treatment Standard for a particular industrial sub-category, if more stringent than criteria imposed under this Regulation for sources in that sub-category or if not covered by this Regulation shall supersede the criteria imposed under this Regulation upon the date compliance is required by the Federal Standard. The County shall notify all affected users of the applicable requirements under 40CFR 403.12. E. Modifications - The County may modify the effluent limitations appli- cable to indirect dischargers as specified in the Federal Pretreatment Standards if the requirements contained in 40 CFR 403.7 are fulfilled concerning consistent removal of pollutants by the publicly owned treat- ment works, and prior approval from the owner of the POTW and from the approval authority (ADNR or EPA) is obtained. F. State Requirements - State requirements and limitations on discharges shall apply in any case where they are more stringent than Federal requirements and limitations or those imposed under this Regulation effective upon the dates compliance is required thereby. G. Dilution Prohibited - Dilution of a waste discharge introduced into the wastewater system by an increase in the use of process water as a continuing practice in partial or complete substitution for adequate treatment is not acceptable as a method for achieving the criteria set forth in ths Regulation or the limitations contained in the Federal Pretreatment Standards. V-2 10/1/81 H. Any introduction of any wastewater or industrial waste which originates outside the service area of the County of Oakland is expressly pro- hibited unless permission for such introduction is obtained from the County in advance. FEES A, Purpose - It is the purpose of this Section to provide for the recovery of costs from users of the public wastewater system for the implementa- tion of the program established herein. The applicable charges or fees shall be as set forth in the Schedule of Charges and Fees, adopted by the County from time to time, and shall be sufficient to meet costs of operation of the system or as provided by law. Furthermore, user fees and surcharges as required by law shall be adopted by the County on the basis of the volume of waste and the quantities of specific pollutants present in the wastewater. REPORTING REQUIREMENTS The County of Oakland, through the County Agency, may require the municipality quire all users to submit periodic reports on waste discharge volume, quality, fic pollutant analyses, and any other information pertaining to the provisions Is Regulation. The County may require the municipality to require all users to rm sampling operations of their wastewater, obtain analytical determinations on samples, and file reports of these results with the County for the purpose of oring compliance with the provisions of this Regulation, Sampling, analyses and ting required hereunder shall be limited to pollutants regulated by this ation, EPA Regulations or MDNR Regulations. PERMITS A. Permit Requirement - Users whose discharge into the system which is ultimately treated at the publicly owned wastewater treatment plant and whose discharge meets any of the following criteria, shall be required to have an industrial waste permit:. 1. Flow of 50,000 gallons or more per average working day. 2. Discharge containing net measurable toxic pollutants, or 3. Discharge of pollutants equal to or exceeding any of the following amounts: BOD 80 lbsiday Suspended Solids 100 lbs/day Oil or Grease 40 lbs/day V-3 10 /1/81 V-4 LO fl /81 B. Industrial Waste Permit - Any non-governmental and non-Aomestle user including but not limited to those classified under Division D of the Standard Industrial Classification Manual discharging wastes meeting the criteria in Section 5 (a) above, shall be required to have an industrial waste permit. Industrial waste permits shall be exfressly subject to all provisions of this Regulation and all otherzpplicable regulations, user charges and fees established by the County. Permits may contain the following: 1. The unit charge of Schedule of User Charges and Fees for the wastewater to be discharged to a public sewer as established by the County, 2. Limits on the average and maximum wastewater constituents and characteristics, 3. Limits on average and maximum rate and time of discharge or require- ments for flow regulations and equalization, 4. Requirements for installation and maintenance of inspection and sampling facilities, 5. Specifications for monitoring programs which may include sampling locations, frequency of sampling locations, frequency of sampling, number, types and standards for tests and reporting schedules, 6. Compliance schedules, 7. Requirements for submission of technical reports or discharge - reports, 8. Requirements for maintaining and retaining plant records relating to wastewater discharge as specified by the County, and affording the County access thereto, 9. Requirements for notification of the County of any new introduction of wastewater constituents or any substantial change in the volume or character of the wastewater constituents being introduced into the wastewater treatment system, 10. Requirements for notification of slug discharges, 11. Requirements for containment of specific materials, processes, or facilities for the prevention of accidental discharge, and 12. Other conditions as deemed appropriate by the County to ensure compliance with this Regulation. A user shall have the right to contest any term or condition of an industrial waste permit by requesting a hearing before the County in writing within 10 days after issuance of the permit. In the event of such request, the contested terms and conditions of the permit shall be stayed pending the conclusion of the bearing. C. Permit Application - Users required to obtain an industrial waste permit shall complete and file with the County or its Authorized Representative an application in the form prescribed by the County. Subject to subsection E of this Section, existing users of the waste- water system as defined in Section 5(a) above shall apply for an industrial waste permit within 60 days after the effective date of this Regulation, and proposed new users shall apply at least 90 days prior to connecting to or contributing to the wastewater system. In support of the application, the user may be required to submit, In units and terms appropriate for evaluation, the following infor- mation: Name, address, and location (if location is different from the address). 2. One or more SIC numbers according to the Standard Industrial Clasifi- cation Manual Bureau of the Budget, 1977. . In the event that an Industrial user disagrees with a given SIC Classification, the user shall request that the County provide written certification as to the proper SIC Classification and the reasons therefor. Wastewater constituents and characteristics including, but not limited to, those limited by this Regulation as determined by a reliable analytical laboratory (including in-house laboratories utilizing approved EPA methods and procedures), with sampling and analysis performed in accordance with procedures established by the DPW pursuant to Section 304 (G) of The Act and contained in 40CFR, part 136, as amended. 4. Time and duration of discharge. 5. Average daily wastewater flow rates, including daily, monthly and 'seasonal variations if any. 6. Site plans, floor plans, mechanical and plumbing plans and details to show all sewers, sewer connections, and appurtenances by the size, location and elevation. 7. Description of activities, facilities and plant processes on the premises including all materials which are or could be discharged. 8. Where known, the nature and concentration of any pollutants in the discharge which are limited by any City, State or Federal Pretreat- ment Standards, and a statement regarding whether or not the pre- treatment standards are being met on a consistent basis and if not, whether additional operations and maintenance and/or additional pretreatment is required for the user to meet applicable pretreat- ment standards. I), Permit Criteria Modification - Pursuant to Rules and Regulations established by the County, the County shall have the authority. to extend the require- ment for an industrial waste permit to other users outside the criteria specified in Section 5(A) of this Regulation. E. Permits Duration - Permits shall be issued for a specified time period, not to exceed five (5) years, and shall carry a specific expiration 10/1/81 V -5 date. The user shall apply for permit reissuance a minimum of 180 days prior to the expiration of the user's existing permit- The terms and conditions of the permit may be subject to modification by the County during the term of the permit as limitations or requirements as identified in Section 5(A) are modified or other just cause exists. A user shall be notified by the County in writing of any proposed changes in his permit and the reasons therefor at least 180 days prior to the effective date of change. A modified permit shall not be effective if the user affected by the modifica- tion within 60 days after such notice requests in writing a hearing before the County to contest the modification, in which event the County shall hold a hearing. If a hearing is requested, the modification, if affirmed, shall become effective 180 days after such notice of 60 days after such affirmance, whichever is later. Any changes or new conditions in the permit shall include a reasonable time schedule for compliance. F. Permit Transfer - Industrial waste permits are issued to a specific user for a specific operation. An industrial waste permit shall be assignable to a new owner who continues the existing use of the facility. An industrial waste permit shall not be assigned, transferred or sold to a new owner who changes the existing use or makes a new use of the facility, or for different premises without the approval of the County. Upon transfer, sale or assignment, any succeeding owner shall comply with the terms and conditions of the existing permit. Notice of a proposed transfer of an industrial waste permit shall be given to the County in writing and shall include a written agreement specifying a date for transfer of permit responsibility and coverage between the current and new permittee which includes acknowledgement that the exist- ing permittee is liable for violations up to that date, and that the new permittee is liable for violations from that date on. ENFORCEMENT A. Whenever the County has reasonable grounds to believe that sewage, or other wastes, of any kind are being or have been discharged into the public wastewater system in violation of this Regulation, an industrial waste permit or any prohibition, limitation or requirements contained herein, the County shall require the municipality involved except in the case of emergency or flagrant violation, by conferences, notices, conciliation or cooperation, endeavor to the fullest extent possible to eliminate or remedy such violation. B. In the case of discharges which create a hazard to life or constitute a public nuisance or emergency, or interfere with the operation of the wastewater system, then the County shall require the municipality Involved to: 1. Reject the waste to immediately abate such hazard or public nuisance; or 2. Require immediate pretreatment of the waste to an acceptable condition for discharge to the wastewater system; and/or 3. Require the person responsible for the discharge to appear before the County to show cause why service should not be discontinued immediately. In the event such action is taken, the County shall immediately notify the user in writing of such action and the specific reasons therefor, which notice shall be personally served, and shall provide the user with an opportunity for a hearing before the County within 10 days of such action. C. The Conciliation Hearing - The County may order any person who causes or allows an unlawful discharge to attend a conciliation hearing. A notice of violation shall be served on that person, specifying the facts upon which the alleged violation is based and designating a time and place for a conciliation hearing to be held. The notice of violation shall be served by registered or certified mail at least 10 days before the hearing. The conciliation hearing is to be informal and conducted by the County or Its designated representatives. The industrial or commercial user is required to present a plan and schedule for achieving compliance with the provisions of this Regulation. Representatives of the user's municipality may be present. The hearing attendees shall agree upon an appropriate plan and schedule and agree upon a conciliation compliance date which sets the time period for full compliance. D. Notice of Show Cause Hearing, - If compliance is not achieved by con- ciliation, the County may order any user who causes or allows to con- tinue an unauthorized discharge to show cause before the County why service to that user should not be discontinued. A notice shall be served on the user specifying the time and place of a show cause hearing before the County regarding the violation, the reasons why the action is to be taken, the facts upon which the alleged violation is based, the proposed enforcement action, and directing the user to show cause before the County why the proposed enforcement action should not be taken. The notice of the hearing shall be served by registered or certified mail at least 10 days before the hearing with copies sent to officials of the user's municipality. Service may be made on any agent or officer of a corporation or authorized representative. E. Hearing Proceedings - The County may itself, conduct the show cause hearing and take the evidence, or may designate the County Agency or representatives of the owner of the POTW to 1. Issue in the name of the County notices of hearings requesting the attendance and testimony of witnesses and the production of evidence relevant to any matter involved in such hearings: 2. Take the evidence; and 3. Transmit a report of the evidence and hearing, including trans- cripts and other evidence, together with recommendations to the County for action thereon. V-7 10/1/81 F. Transcript of Evidence - At any show cause hearing held pursuant to this Regulation, testimony taken must be under oath and recorded stenographically. G. Action - After the County has reviewed the evidence, it may issue an order to the user responsible for the discharge directing or setting forth any of the following: 1. Pretreatment of waste by installation of adequate treatment facilities, devices or other related appurtenances, within a specified date as a condition for continued acceptance of the wastes into the sewer; 2. Periodic reports on effluent quality and quantity determined by self-sampling and analysis throughout the time period set by a compliance date; 3. Control of discharge quantities; 4. Payment of the costs for reasonable and necessary samples taken by the County during the process; or 5. Any such further orders as are necessary and appropriate. LEGAL ACTION A. Violation - If any person discharges sewage, industrial waste or any other wastes into the wastewater system contrary to the provisions of this Regulation, Federal Pretreatment Requirements, or State Pre- treatment Requirements or any order of the County, the County, acting through its counsel, may commence an action or proceeding in the Circuit Court in the County of Oakland for the purpose of having the discharge enjointed. B. Falsifying Information - Any person who knowingly makes any false state- ments, representations or certification in any application, record, report, plan or other document filed or required to be maintained pur- suant to this Regulation or industrial waste permits, or who falsifies, tampers with, or knowingly renders inaccurate any monitoring device or method required under this Regulation shall, upon conviction, be punished by a fine of not more than $500.00 or by imprisonment for not more than 90 days, or by both. CONFIDENTIALITY, OF INFORMATION No employee of the County or anyone in privity to the County shall disclose to any person any information or data (except effluent data) obtained from and/or contained in reports, questionnaires, permit applications, permits, monitoring programs or inspections required or carried out under the provisions of this Regulation. This provision does not apply to the disclosures or communications between the County or the County's employees, and DWSD, its Board or employees. VARIANCE/SPECIAL ARRANGEMENTS 1.- Variances From Interim Standards - The County with the prior approval of the owner of POTW may grant variances from any of the interim 10/1/81 effluent criteria or standards set forth in Appendix "A" to this Regulation or the effective date of such criteria or standards. In determining whether to grant a variance, the County shall con- sider the following factors, one or more of which may be sufficient for the granting of a variance. A. Age, size, land availability, and configuration as they relate to the user's equipment or facilities, processes employed, and engineering aspects of control and treatment technology. B. Energy requirements of the application of the required control and treatment technology. C. Aspects of the user's process which affect the nature or quality of the pollutants or pollutant parameters contained in the raw-waste loads in the user's process water or effluent or which affect the volume of the user's process water or effluent. D. Cost of compliance with such interim ,criteria or standards, but only if it is caused by one or more of the above listed factors. E. The absence, at the date of the request for variance, of an applicable Federal Pretreatment Standard for that industrial category covering the specific pollutant for which the variance is requested, or the existence of a less stringent Federal Pre- treatment Standard for that pollutant. F. Unavailability of adequate pollution control equipment. 2. .13.1. - Requests for a variance and supporting evidence must be submitted in writing to the County. Pending the County's decision on a variance request the interim effluent criteria and standards imposed by this Regulation shall be effective. Written submissions for variance requests must include: A. The name and address of the user making the request; B. Identification of the interest of the requester which is affected by the interim standard for which the variance is requested; C. A list of each pollutant or pollutant parameter for which an alternative discharge limit is sought; D. The alternative discharge limits proposed by the requested for each pollutant or pollutant parameter identified in Item "C"; E. A description of the user's existing water pollution control facilities including schematic flow plans of the user's water supply, wastewater process systems and discharge points; and A statement of facts clearly establishing why the variance request should be approved, including detailed support data, documentation, and evidence necessary to evaluate the merits of the request. V -9 10/1/81 ... 1 n 3. Terms and Conditions of Granted Variance - At the County's discretion, the variance may be made retroactive to the date of application. Vari- ances shall be for a specified length of time and shall set forth recom- mended alternative discharge limits for the user's discharge as follows: A. In the case of pollutants listed in Paragraph 2 of Appendix "A" to this Regulation, recommended alternative discharge limits shall be imposed to the extent warranted by the factors demonstrated to the County. B. For total Hexane Solubles (oil and grease), the recommended alternative discharge limit shall be 100 MG/L above which concentration the user's discharge will be surcharged. 4. Disposition/Revocation - The County, after receiving a submittal from a requester, will issue a finding within 30 days. Where the County finds that reasonable grounds for a variance do not exist, he may deny the request and notify the requester in writing of the denial giving the reasons for its decision. Where the County finds reasonable grounds to exist for granting the variance request,.it shall approve the request and prepare the recom- mended terms and conditions for notice to the requester. Within 30 days following the date of receipt of notice of the County's denial or conditioning of the variance, if granted, the requested may petition the County for a hearing to reconsider or contest the decision. If the County determines that the following conditions exist, they shall constitute grounds for a revocation of an existing variance after notice and opportunity for hearing before the County: A. That user discharges under the terms and conditions of the variance would result in the wastewater treatment plant being in violatien of its NPDES Permit and/or effluent standards. B. That user discharges under the terms and conditions of the variance result in violation of the General Prohibitions enumerated in Paragraph I of Appendix "A" to this Regulation. C. Noncompliance with the terms and conditions of the variance. 5. Special Arrangements - Nothing in the Regulation shall be construed as preventing any special agreement or arrangement between the County and the owner of the POTW, and any user whereby wastewater of unusual strength or character is accepted into the POTW and treatment subject to any payments or user charges as may be applicable. USE OF EFFLUENT DATA No effluent data obtained by the County under the provisions of this Regulation shall be used for the purposes of assessing sewage surcharges. SAVINGS CLAUSE If any provision, paragraph, word, section or article of this Regulation is invalidated by any court of competent jurisdiction, the remaining provision, paragraphs, works, sections, and articles shall not be affected and shall continue in full force and effect. CONFLICT All other Regulations and parts of other Regulations inconsistent with or conflicting with any part of this Regulation are hereby repealed to the extent of such inconsistency or conflict. This is declared necessary for the preservation of the public peace, health, safety and welfare. V -11 10/1/81 ARTICLE V APPENDIX "A" POLLUTANT LIMITATIONS 1. General - No user shall contribute or cause to be contributed, directly or indirectly, any pollutant or wastewater which will interfere with the operation or performance of the POTW. These general prohibitions apply to such users of a POTW whether or not the user is subject to national categorical pretreatment standards or any other National, State, or Local Pretreatment Standards or requirements. A user may not contribute the following substances to any POTW: A. Any liquids, solids or gases which by reason of their nature or quantity are, or may be, sufficient either alone or by inter- action with other substances to cause fire or explosion or be injurious in any other way to the POTW or to the operation of the POTW. At no time shall two successive readings on an explosion hazard meter, at the point of discharge into the system (or at any point in the system) be more than five percent (5%) nor any single reading over ten percent (10%) of the lower explosive limit (LEL) of the meter. Materials which may involve a risk of a fire or explosion include, but are not limited to, gasoline, kerosene, naphtha, toluene, xylene, ethers, alcohols, ketones, aldehydes, peroxides, chlorates, perchlorates, bromates, carbides, hybrides and sulfides or any other substances which the County, the State or DPW has notified the user is a fire hazard to the system. B. Solid or viscous substances which may cause obstruction to the flow in a sewer or other interference with the operation of the waste- water treatment facilities. C. Any wastewater having a pH less than 5.5 or more than 9.5. D. Any wastewater containing toxic pollutants in a sufficient quantity, either singly or by interaction with other pollutants, to injure or interfere with any wastewater treatment process, constitute a hazard to humans or animals, create a toxic effect in the receiving waters of the POTW, or to exceed the limitations set forth in a categorical pretreatment standard, 40 CFR 403. A toxic pollutant shall include but not be limited to any pollutant identified pursuant to Section 307 (A) of the Act 33 USC 1317 and the Michigan Critical Materials Register. E. Any noxious or malodorus liquids, gases, or solids which either singly or by interaction with other wastes are sufficient to create a public nuisance or hazard to life or are otherwise sufficient to prevent entry into the sewers for their maintenance and repair. F. Any substance which may cause the POTW's effluent or any other pro- duct of the POTW such as residues, sludges, or scums, to be un- suitable for reclamation and refuse or to interfere with the reclamation process where the POTW is pursuing a reuse and reclamation 10 A/81 V-12 program. hi no case, shall a substance discharged to the POTW cause the POTW to be in noncompliance with sludge use or disposal criteria guidelines or regulations developed under Section 405 of the Act; any criteria, guideline, or regulations affecting sludge use or disposal developed pursuant to the Solid Waste Disposal Act, the Clean Air Act, the Toxic Substances Control Act, or State Crit- teria applicable to the sludge management method being used, G. Any substance which will cause the POTW to violate its consent judge- ment, NFDES or State disposal system permit or the receiving water quality standards. H. Any wastewater with objectional color not removed in the treatment process, such as, but not limited to, dye wastes and vegetable tanning solutions. Any wastewater having a temperature which will inhibit biological 1 activity in the FOTW Treatment Plant resulting in interference, but in no case wastewater with a temperature at the introduction into the POTW which exceeds 150 degrees F. Any Pollutants, including oxygen demand pollutants (BOD, etc.) released at a flow and/or pollutant concentration which a user knows or has rea- son to know will cause interference to the POTW. K. Any wastewater containing ally radioactive wastes or isotopes of such Halflife or concentration as may exceed limits established in compliance with applicable state or federal regulations. L. Any wastewater which causes a hazard to human life or creates a public nuisance. 2. Specific Interim Pollutant Limitations - No person shall discharge wastewater containing the excess of: Interim Value Maximum For Any One Day 1.0 MG/L Arsenic 2.0 MG/L Cadmium 4.5 MG/L Copper 2.0 MG/L Cyanide 1.0 MG/L Lead 0.005 MG/L Mercury 5.0 MG/L Nickel 2.0 MG/L Silver 25.0 MG/L Total Chromium 15.0 MG/L Zinc 0.5 MG/L Phenolic Compounds which cannot be removed by the POTW treatment plant. 3. Any discharge of wastes of waters into a sewer which terminates in or is a part of the sewerage system of the County shall not contain the following: V--13 10/1/81 A. Water or wastes containing more than 100 MG/I, fats, oils or greases (hexane solubles). B. Collectible Floating oil. 4. Sampling - Compliance with the numerical standards set forth above shall be determined on the basis of a representative composite sample. 5. Meaning of Numerical Concentration Limitations MIL - Unless specifically stated otherwise, all limitations and concentrations (MG/L) under this ordinance shall mean concentrations of the total pollutant present, including both solubilized and non-solubilized pollutant. V -14 10 11 /8 1 ARTICLE VI METHODOLOGY USED TO DETERMINE WASTEWATER DISPOSAL SERVICE CHARGES The regulations contained in the Article are intended to establish the basis of payment and billing procedures for wastewater disposal services provided by the County of Oakland for the operation, maintenance and replace- ment of the system and to provide for additional charges for unusual waste concentrations. The rates for wastewater disposal shall be established by the County. Rates so established will be reviewed as required by existing statutes, agreements and/or regulations, but shall be reviewed at least annually. 1. Wastewater Disposal Charge Each community shall report within 15 days following the end of each calendar quarter the total equivalent master metered water consumption in the district served by the System. Where master metered water consumption is not avail- able, individual metered water consumption times 1.108 shall be equivalent to master metered water consumption- Where metered water consumption is not available, then a consumption assigned by the County shall be the equivalent master metered water consumption for each unit assigned to the user in accord- ance with the current Oakland County Department of Public Works Schedule of Unit Assignment Factors, with a minimum assignment of one (1) unit for each connection. Based on the quarterly report, each community shall pay a charge per 1,000 cubic feet of equivalent master metered water consumption, as established from time to time by the County. Metered Sewage Connection Where communities have individual sewer customers with metered sewage, permit- ted and approved in accordance with the provisions of Article VILlof these regulations, then each community shall also report within 15 days following the end of each calendar quarter the total metered sewage within the community, in lieu of connected units or water consumption. Based on the quarterly report, each community shall pay a charge per 1,000 cubic feet of metered sewage, as established from time to time by the County. The rate for sewage disposal based on the metered sewage method shall be 110% of the rate established for the water meter method. 2. Penalty The sewage disposal service charge shall be payable quarterly. If any municip- ality does not pay its service charge on the date when the same becomes due, then there shall be added to such charge a penalty of one (1) percent for each month or fraction thereof for which the same remains unpaid. V1-1 10/1/81 VI-2 1/1/85 3. High Strength Surchar_lf A high strength surcharge shall be levied against industrial and commercial customers contributing sewage to the system with concentrations of pollu- tants exceeding the levels described as follows: A. 275 milligrams per liter (mg/1) of Biochemical Oxygen Demand (BOD) B. 350 milligrams per liter (mg/I) of Total Suspended Solids (TSS) C. 12 milligrams per liter (mg/1) of Phosphorus (P) D. 100 milligrams per liter (mg/1) of Fats, Oils and Grease (FOG) It is assumed that normal domestic customers do not contribute sewage with concentrations of pollutants exceeding the above levels, therefore, the High Strength Surcharge shall not apply to domestic customers. Further, restaur- ants shall also be exempt form High Strength Surcharge per the Federal Court "Second Interim Order", dated July 10, 1981. 4. Non-Residential Flow Surcharge Each coflmmnity shall report quarterly the total number and size of water meters used by non-residential users of the system. Where metered water is not available, then the community shall report quarterly the "Assigned Water Meter Size" of non-residential users of the system in accordance with the following schedule: Units Assigned in Accordance with The Current Oakland County Depart- ment of Public Works Schedule of Unit Assignment Factors: Assigned Water Meter Size 1 - 4 5/8" 5 - 10 1" 11 - 20 1-1/2" 21 - 32 33 - 64 31, 65 - 100 101 - 200 6" Based on the reported number of water meter sizes, actual and assigned, for non-residential users of the system, each community shall pay a quarterly non-residential surcharge as established from time to time by the County. Non-residential users shall be defined as all users other than structures designed for habitation, including but not limited to, single-family houses, apartment buildings, condominiums, townhouses and mobile homes and schools, churches and municipal buildings, ARTICLE VII A REGULATION GOVERNING IMPLEMENTATION OF SURCUAGES The regulations contained in this Article shall apply specifically to those municipalities whose users discharge sewage into the public wastewater system, which in turn, is transported by the County of Oakland for discharge to and treatment by the City of Detroit publicly owned treatment works. It is intended that these regulations will enable the municipalities contracting with the County of Oakland for sewage disposal to comply with the requirements of applicable State and Federal laws, including the Federal Water Pollution Control Act of 1972 (Public Law 92-500), as amended, and the applicable Federal Environmental Protection Agency Regulation, particularly, 40 CFR 403, 40 CFR 136, and 404.,c,FR Part 35. It is also the purpose of these rules to effectuate the user surcharges of the City of Detroit, pursuant to its Ordinance - Section 56-6-5A (6) with respect to the users of the City.of Detroit publicly owned treatment works. 1. User Surcharge Definition Federal Law and Regulations require that industrial and commercial companies discharging to publicly owned sewerage systems should pay their proportionate share of wastewater treatment costs. To insure a proportional distribution of operation and maintenance costs to each user, the user's surcharge shall be based on factors of strength and volume of discharge. Surcharges will reflect the added cost of treatment for all industrial, commercial and governmental discharges whose wastewater exceeds the "domestic equivalent" concentrations of 275 ppm BOO, 350 ppm TSS and 12 ppm phosphorus. The surcharge to be added to the normal volume sewerage billing will be calculated from the following formula: SC = 0.0624 V Ea (BOO - A) + b (TSS B) + c (P 01 Where: SC = Pollutant strength surcharge fee in dollars for the billing period V = Volume at wastewater discnarged in billing period of Mcf (1000 cubic feet) •= Five-day biochemical oxygen demand of user's wastewater in milligrams per liter (or ppm) VII -1 10/1/81 BOO TSS =.Total Suspended Solids in user's waste- water in milligrams per liter (or ppm) = Phosphorus in user's wastewater in milligrams per liter (or ppm) PPm = parts per million a,b,c, - Surcharge Rates $/pound for treating BOO, TSS and P respectively established by the County A,B,C, = Domestic wastewater levels of BOO, TSS and P respectively as determined by the County 0.0624 = Factor which converts 1,000 cubic feet (Mcf) to 1,000,000 pounds (MM lbs.) A = Defined as 275 ppm BOD = Defined as 350 ppm TSS = Defined as 12 ppm phosphorus Subject to the granting of a variance, as set forth in Article V, fats, oils and grease (FOG) may be subject to special surcharges according to the following formula: F,O,G = Fats, Oils and Grease (FOG of the waste expressed in milligrams per liter (mg/1). The amount of Fats, Oils and Grease (F,O,G) of any waste discharged to the POTW is limited to 100 milligrams per liter (mg/1), however if a variance is approved by the County, the sur- charge for fats, oils and grease (F,O,G) will be as follows: SC = 0.0624 V (FOG - 100) d, where d = $/lb. for treating FOG. As established by the County, from time to time: (Surcharge Rates are for a = $0.088/pound example purposes only.) b = $0.121/pound c = $2.000/pound d = $0.030/pound The total sewerage charge for a particular industry would be the sum of the base flow charge and the surcharge would be calculated from the following formula: UC = V -(R) SC WHERE: UC = Total Sewerage charge for the billing period in dollars. V = Volume of water purchased in billing period in Mcf. = Basic flow sewage rate in dollars per Mcf. SC = Surcharge in dollars as computed above. Example of Surcharge Computation What is the surcharge for an industrial or commercial customer discharging 100,000 cubic feet per month of sewage with the following strength characteristics? "BOD" = 300 mg/1 "TSS" = 400 mg/I "P" . = 20 mg/1 V = 100 MCF SC = (0.0624) (100) D1.088 (300-275) + 0.121 (400-350) + 2.000 (20-12)J = (06.24) 14.4 + 6.05 + 16.00J = 165.05/month For purposes of surcharge computation, the values of pollutant strengths shall not be less than the allowable values. The allowable are BUD - 275; TSS - 350; and P - 12. 2. EXEMPTION FROM SURCHARGE Customers who may not be subject to surcharge assessments may file an exemption statement with the County for the purpose of claiming exempt status. Customers are exempt if they: A. Are not a commercial or industrial user discharging waste- water to the sewer. B. Do not own the property (property was sold) from which a discharge is made: C. Have no interest in any business discharging wastewater to the sewer from the location (own property, but not in business); D. Have no occupant of the property (property is vacant); B. Have no sewer connection; F„ Discharge wastewater with strength levels at or below domestic wastewater levels; or G. Can provide any other reason for which an exemption may be allowed. VII -3 10/1/81 The Industrial Waste Surcharge Exemption Statement, attached as Appendix "I", should be completed and returned to the County of Oakland to claim exempt status. Notification of customer status will be made within ten (10) working days after receipt of the exemption statement, subject to the concurrence by the owner of the POTW. 3. SELF-MONITORING REQUIREMENTS To establish wastewater strength characteristics, each user is required to initiate and implement a self-monitoring program to include regular sampling to their discharge, analysis of samples and reporting of results of DWSD on a regular basis. This program is to be in full effect after October 31,1981 for determination of surcharges based on actual wastewater measurements. In order to implement this program, each eligible user shall comply with the following requirements. A. File an Approved Self-Monitoring Plan. After October 31, 1981, each user shall provide the County with a plan or program for approval for self-monitoring, analysis and reporting which con- sists of: 1. A description of connections to the municipal sewer system showing sampling locations to be used to secure a representative sample of total effluent from the facility. Use the attached page for description and attach any drawings, layouts or prints which would be helpful in describing wastewater flow to sewers. 2. A written description of the sampling procedures and compositing (mixing) methods to be used to conform with the requirements given in the section on monitoring below. The name of the laboratory or independent consultant, if any, retained for the purpose of analyzing or obtaining representative samples. Customers shall file the Self-Monitoring Plan, attached as Appendix II, with the County's authorized representative. Fotws and instructions for completing the Self-Monitoring Plan may be obtained from the Industrial Waste Control Office of the owner of the POTW. 4. Ongoing Self-Monitoring and Sampling Requirements A. Each user will obtain one representative composite sample of his effluent taken over one complete production or operating cycle of the industry involved, or at a minimum over one operating day, for analysis and reporting to the County. Composite samples VII -4 10/1)81 should be made up from grab samples caught at one to two hour intervals throughout the operating cycle or day. The required frequency of sampling increases with the total size of discharge. The greater the total loading BOD, TSS and P discharged in pounds per day the more samples required per six month period to define average wastewater pollutant con- centrations according to the following schedule. REQUIRED FREQUENCY OF SAMPLING Sum of SOD. TSS and No. of Samples per P Loading, lbs./day Six months 500 1 500 - 5,000 2 5,000 - 25,000 4 over 25,000 6 Note: Total pollutants loading can be estimated by taking the average daily flow in pounds and multiplying by the sum of the concentrations of BOD, TSS and P. The above fre- quencies are minimum requirements, more reliable determina- tion of strength levels can be obtained by testing more frequently. Users requiring more than one sample in a reporting period (6 months) must spread sampling times throughout the period to produce a repre- sentative average. For example, a user who discharges wastewater containing 500 to 5000 lbs. per day must schedule to take samples of his effluent once every three months to conform to the frequency requirements. B. The user shall have the option, in multiple outfall facilities, of compositing into one sample for analysis or of compositing each outfall separately for analysis and calculation of the effluent concentration based on the relative outfall volumes. In either case satisfactory estimates of the flow in each outfall must be given in order to demonstrate how the final strength was determined. The six month report form attached as Appendix III may be used to des- cribe the method of compositing used and to report actual composite results. C. Consultation Process. Disputes involving sampling procedures, sample points, sample handling and specific equipment usage shall be resolved by consultation between the County and the customer in consultation, subject to the concurrence of the POTW. D. For single outfall facilities, each day's composite shall consist of equal volumes of grab samples taken at a minimum of two-hour intervals throughout the time the plant is operating. In cases where the production or operating cycle of the industry involved is greater than 24-hours, the composite sample must be representa- tive of the total cycle. In preparing a composite sample from grab samples, users may proportion the volumes of the grab samples obtained from a single outfall to reflect the time variations in effluent flow during the compositing period. VII -5 10/1/81 VU -6 10/1/s1 E. The minimum acceptable sample for non-cyclical industries for surcharge purpose is a composite sample taken over one day's operating time for the facility. 5. Analysis and Reporting Requirements A. Analysis - Sample analysis may be performed by independent laboratories, or by the customer's own in-house laboratories, provided the following assurances are made to the County's representative, the Industrial Waste Office or the owner of the POTW. 1. All samples are analyzed according to procedures given in the most recent edition of "Standard Methods for the Examination of Water and Wastewater" published by the American Public Health Association or by procedures given in 40 CFR 136, "Guidelines for Establishing Test Proce- dures for Analysis of Pollutants". Copies of procedures may be obtained from the DWSD upon reuqest. 2. That quality control test data be available to the County upon request. B. Reporting - Each user must submit to the County a Surcharge Data Report once every six months. The report shall contain the results of all samples taken and analyzed during the pre- ceding six month period and will be the basis for surcharge billings. These resorts are due on June 30 and December 31 of each calendar year. A copy of the Surcharge Data Report is attached as Appendix III. The report consists of the following: 1. The Six Month Report Fora for recording and reporting sample results. 2. The Composite Summary with instruction for Multiple Out- fall Facilities. This form records and summarizes the actual method used for multiple outfall facilities. Reports should be mailed by June 30 and December 31 each year to Industrial Waste Control Detroit Water and Sewerage Department 9300 West Jefferson Detroit, Michigan 48209 6. Verification Sampling - Under a self-monitoring program, the County has the obligation of conducting verification sampling at any in- dustrial facility on a random basis. These verification samplings will occur at unannounced intervals of approximately twice per year. The results from verification sampling will not be used for the put- pose of setting surcharge rates. Where verification sample results raise a question concerning the normal self-monitored levels being reported by the customer, the verification results may be used to reopen the consultation process in order to determine if there should be further tests, changes or adjustments to the procedures being used. A significant difference will be sufficient basis for requiring a re-examination of procedures. Customers shall have the right to split samples with the County upon request and data on verification sample results shall be provided to the customer. The owner of the POTW shall also have the authority to perform independent vertification sampling of the effluent from Commercial users and Industrial users and to make on-site inspection of their facilities. 7. Confidentiality- No employee of the County shall disclose to any person any information or data (except effluent data) obtained from and/or contained in reports, questionnaires, permit applications, permits, monitoring programs or inspections required or carried Out under the provisions of this Regulation. However, nothing in this Article shall prevent the County or an employee of the County from disclosing to the proper authorities of the Detroit Water and Sewerage Department such information or data etc., as is necessary to effectuate the purposes of these programs. VII -7 .10/1/81 No industrial waste discharged to sewer from this property Property is leased to a tenant (fill in below) This property sold to new owner (fill in below) . This property is vacant Only warehoused, leased or consigned goods at this location There is no known relationship with this property Strength below suxchargeable levels Describe other reasons for claiming an exemption from sur- charge payment: tJ LIJ Date ( APPENDIA TABLE III. . DETROIT WATER SEWERAGE DEPARTMENT INDUSTRIAL WASTE SURCHARGE EXEMPTION STATEMENT Comuay Name: Mailing Address: Address of Discharging Facility: Federal Standard Industrial Classification (SIC) No(s). Association with Facility Identified: Owner • Lessee , Sublessee EXEMPTION CONDITIONS I (or my company) should be exempt from any industrial waste surcharge payments for the following reasons: Print the name and address of the lessee or new owner as stated above. If more than one, please furnish a separate list with the required information. Name Address CERTIFIED CORRECT 3Y COMPANY ADMINISTRATTVE OFFICER signature 'rint Name bsition 'elephone No. VII — 8 VII 9 10/1/81 APPENDIX DETROIT VVAI ER AND SEWERAGE DEPARTMENT INDUSTRIAL SURCHARGE PROGRAM SELF MONITORING PLAN FOR: Company Name Standard Industrial Classification Number I. DESCRIPTION OF WASTEWATER FLOW AND SEWER CONNECTIONS. Please show the following information attaching extra sheets as needed: 'I. Sketch of plant area showing buildings, surrounding streets and alleys. 2. Plant sewer outlets and the municipal sewers they connect to if known. 3. Sampling locations — if more than one, assign a sequential number to each. 4. Any additional diagrams describing waste flow from your facility. DETROIT WATER AND SEWERAGE DEPARTMENT INDUSTRIAL SURCHARGE PROGRAM SELF MONITORING PLAN FOR: (Company Name) II. DESCRIPTION OF SAMPLING PROCEDURE Please give a brief WRITTEN description of sampling procedure and cornpositing methods to be used. Include the sampling location, length of composite period, and if more than one out-fall is being sampled an estimate of the relative flow rates in each discharge. Samples will be analyzed by VII - 10 10/1/81 DUST" HARGE AL WASTE ROGRAN rag% su , -•-...-‘40-..2.-...-e:;:":.:.---:-....,__.---r---.-----;-.7,r4.0..- .-.7.-_., 7 - --,...-- •—n—n1111....- or : A 41 / I. 1415r - 1 I I . 1; Z.•-et: 1 1 1 1 I. 4...1", - ; R' -3 MA _ airily- teRiuslittafti111111111ii twoitttritmbiat-41"..stiftrahat vii -ii 10/ 1/81 AP1-12.7:)IX Ill SIX MONTH REPORT DISCHARGE OF BOD, TSS and P, lbsiday 0 to 500 DETROIT WATER & SEWERAGE DEPARTMENT SURCHARGE SAMPLING & REPORTING REQUIREMENTS SURCHARGE REQUIREMENTS Must analyze wastewater effluent for surcharge para- meters of Biochemical Oxygen Demand (BOO), Sus- pencled Solids (TSS) and Phosphorus (P) ONCE EVERY 6 MONTHS for each outlet Must report results ONCE EVERY 6 MONTHS begin , ning on or before June 30, 1981 500 to 5000 5000 to 25000 Over 25000 Must analyze wastewater effluent for surcharge para- meters of Biochemical Oxygen Demand (BOO), Sus- pended Solids (TSS) and Phosphorus (P) ONCE EVERY 3 MONTHS for each outlet Must report results ONCE EVERY 6 MONTHS begin- ning on or before June 30, 1981 Must analyze wastewater effluent for surcharge para- meters of Biochemical Oxygen Demand (BOO), Sus- pended Solids (TSS) and Phosphorus (P) ONCE EVERY 6 WEEKS for each outlet Must report results ONCE EVERY 6 MONTHS begin- ning on or before June 30, 1981 Must analyze wastewater effluent for surcharge para- meters of Biochemical Oxygen Demand (BOD), Sus- pended Solids (TSS) and Phosphorus (P) ONCE PER MONTH for each outlet Must report results ONCE EVERY 6 MONTHS begin- ning on or before June 30, 1981 ONGOING REPORTING REQUIREMENT: The six month report of surcharge results is due on or before June 30 and December 31 of each calendar year. 10/ 1/81 .7,r1" pA A. COMPANY IDENTITY . . OUTFALL 1 FLOW .NO. [CULM FLOW M LBS 2 3 SAMPLING 1 FOR DATE ANALYTICAL RESULTS rng/li PERIOD 1 4 5 6 FROM/ TO —B—TOD —T—SS-1-----P PARAMETER LOADINGS 7 8 9 BOO M Lbs Total Effluent Equivalent Strength 10 BOO No TSS BID t. PPm PPM PPm 1 2 3 4 : OUTFALL I WT. or VOL OF COMPOSITE FROM NO. OUTFALL ADDED TO FINAL COMPOSITE TOTAL COMPOSITE ANALYSIS rng/li 3 4 TOTAL .---,,,xxec,,,am:er+nr-Fanerersnsyn DE-1ROIT WATER & SEWERAGE DEPARTMENT INDUSTRIAL WASTE SURCHARGE PROGRAM COMPOSITE surmAny B. MULTIPLE OUTFALL SUMMARY: PROPORTIONATE AVERAGE METHOD C. MULTIPLE OUTFALL SUMMARY: TOTAL EFFLUENT COMPOSITE METHOD iii 80D — — 2 TSS 11.1.M.2......sermIselergsrsoclak124.....laixamemeepp,emeonega D. SINGLE OUTFALL SUMMARY DATE OF 24 — HR SAMPLE PARAMETER RESULTS mg/li BOD IBS vii: — 13 10/1/81 Dares: From To Company Name Address Standard Industrial Classification Number Company Name Address - Signature of Officer/Owner Date le40.,.1,5=4,2-5,1,17, Detroit Water & Sewerage Department INDUSTRIAL WASTE SURCHARGE SIX-MONTH REPORT 1. Facility is: (Check one) la. D Owned lb. Rented 2 Number of employees 3. Number of work-days per year 4. Address water bill is sent to: (if different from above) 5. Water Bill Account No. +5 Sampling Procedure: (check one) 6a. One day long flow proportioned composite sample . 6b. One day long non-flow proportioned composite sample 6c. Other (Specify) 7. Metering: (Check one) la. 12 Water Supply 7b. 0 Sewage Meter 8. Sample Results: (If multiple ouffalls, attach data for each outfall and file Page 2). aM1,017.9awsirsaa0Seans. Dates Samples Taken BOO (mg/7) TSS (mg/I) P (mg/l) 9. Samples collected by: (Firm name if other than .self) - la Samples analyzed by: (Laboratory Name) ax...,==vs=no...00,en,m,,Irmesv,fillormawalke...07.t Certification: The undersigned attests that he/she has examined this statement and to the best of his/her knowledge and belief the information contained herein is true, correct and accurate. Officer's Title Prepared by: Telephone: VII - 14 10/ 1 /81 thousands of pounds of flow for the period — VII 15 10/1 /81 INSTRUCTION SHEET This Daily Composite Summary shall be submitted by all customers with multiple outfalls who enter the optional surcharge strength determination program under Section VII of the Rules and Regulations Governing Implementation of Surcharges and, after July 1, 1981, by all customers with multiple outfalls subject to the self-monitoring program set forth in Sections XI and XIII of those same Rules and Regulations. PART A COMPANY IDENTITY Give company name, address, address of discharging facility and Standard Industrial Classification (SIC) No(s). PART B MULTIPLE OUTFALL SUMMARY For each outiall provide the following data: FLOW Calculate the cumulative flow in 1000 pounds for each outfall for a period of not less than three months just prior to or including the date of sampling and ° record these totals in Column 1. In Column 2 record the period for which the flows are determined. All out- lets' cumulative flows must be determined for the same time period. Example: moo. [low volume in 100 CF From meter or other readings for the period SAMPLING In Column 3 record the date on which the representative sample for this outlet was taken. Record the analysis for the appropriate parameters in Columns 4, 5, and 6. Discharge thousands of pounds for period (column 1) .157 Parameter analysis x I in ppm (Col. 4,5,6) 1,000,000 Loadings for period in thousand pounds (Col. 7,8,9) Effluent Strength in ppm X 1,000,000 LOADINGS Multiply the cumulative discharge in thousand pounds (Column 1) by the analysis result for each parameter and record the loadings in thousands of pounds in Columns 7, 8, and 9 for BOO, TSS and P respectively. Example: TOTAL EFFLUENT STRENGTH Add the values in Columns 1, 7, 8, and 9 and record the total as indicated above D, A, B, and C. Divide loadings A, B, and C respectively by the total discharge, 0, multiply by 1,000,000 and record in Column 10 in the appropriate space. Example: 411..1.110NEMINder** Loading .Discharge A in thousands in thousands of pounds of pounds PART C COMPOSITE METHOD From the composite samples taken from each individual outlet record the wt. or volume added to a final composite sample to be analyzed representing the total combined effluent from all outlets. Please record the relative flow rates measured or estimated for each individual outlet in the appropriate place in Part B, or attach information explaining why the relative sample wts. or volumes in Part C were used. Record analysis results in spaces provided. PART 0 SINGLE OUTFALL SUMMARY Record information on date and results as indicated. VII - 16 10/1181 ARTICLE VIII RULES AND REGULATIONS ON SEWAGE METERING 1. The basic means of determining sewage flow for billing purposes will remain the water meter or unit assignment as provided in Article VII of the Wastewater Regulations of the County of Oakland. 2. Sewage meters shall be allowed for determining sewage flow for billing purposes in lieu of the water meter or unit assignment upon written application of the customer to the municipality and upon written application of the municipality to the County subject to the following conditions: A. The meter must be of a make and model approved by the municipa- lity and the County and the entire installation must also be approved by the municipality and the County: I) Magnetic meters generally are acceptable. 2) Sonic meters generally are acceptable. 3) Flumes and weirs generally are not acceptable except in cases where they are proven to be the most practical method of measuring wastewater flow. 4) The installation must include a totalizer and, a chart recorder. B. All costs associated with furnishing and installing the meter, including design, all necessary permits, the meter, construction, installation and inspection shall be borne by the customer. The municipality and the County shall review plans submitted prior to installation and shall have the rights to inspect the overall construction and installation. However, separate permits and separate inspections for certain parts of the:work, such as plumbing and electrical, may be necessary from other municipal agencies, and it will be the customer's responsibility to obtain these as necessary and to satisfy the County that these requirements have been complied with. The meter as installed shall remain the property of the cu"Stomer. C. All costs associated with the operation of the meter, including power, light and recorder, and meter pit and site maintenance, shall be borne by the customer. The municipality and the County shall have access to the meter. D. The municipality shall maintain all meters in service, making such periodic tests and repairs as are necessary to insure cor- rect registration. The cost of meter reading and billing meter maintenance, meter repair and meter replacement, when necessary as determined by the municipality and/or the County shall be borne by the customer. VIII-1 10/1/81 3. Subject to the provisions of paragraph 4, below, deduct water meters, special internal meters, calculations, estimates, etc., will not be acceptable as adjustments to metered water as a basis for billing for sewage disposal. 4. In cases where there is a malfunction in the metering system used for the determination of the sewage flow for billing purposes for a particular customer', the wastewater flow for the period of mal- function shall be computed by using prior historical sewage flow records of the customer acceptable to the municipality, and the County. • 5. If a sewage meter is allowed for determining sewage flow for billing purposes the County and/or the municipality may establish a sewage disposal rate that considers the cost of disposing of inflow/infiltration into the system. Said sewage disposal rate based on a sewage meter shall be 110% of the rate established from time to time for sewage disposal charges based on metered water. VIII-2 10/1/81 ARTICLE TX SEPARABILITY CLAUSE If any part or parts of these regulations are held to be Invalid or of no effect by any court, board or agency, the remaining part or parts of the regulations shall remain iu full force and effect and continue to be the full regulation- this 14th day of / ) February ALLEN County Clerk/Register of Deeds 19 8 #85 01 4 Moved by Rewold supported by Nelson the resolution be adopted_ AYES: Moore, Nelson, Pernick, Price, Rewold, Skarritt, Webb, Wilcox, Caddell, Calandro, Doyon, Gosling, Hassberger, R. Kuhn, Lanni, Law, McDonald, McPherson, Moffitt. (19) NAYS: None. (0) A sufficient majority having voted therefor,the resolution was adopted. STATE OF MICHIGAN) COUNTY OF OAKLAND) I, Lynn D. Allen, Clerk of the County of Oakland and having a seal, do hereby certify that I have compared the annexed copy of Miscel l aneous Resolution #850I4 adopted by the Oakland County Board of Commissioners at their meeting held on February 14, 1985 with the orginial record thereof now remaining in my office, and that it is a true and correct transcript therefrom, and of the whole thereof. In Testimony Whereof, I have hereunto set my hand and affixed the seal of said County at Pontiac, Michigan