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(A) No person may discharge into public sewers any substance capable of causing:
(1) Obstruction to the flow in sewers;
(2) Interference with the operation of treatment processes of facilities; or
(3) Excessive loading of treatment facilities.
(B) Discharges prohibited by division (A) above include, but are not limited to, materials which exert or cause concentrations of:
(1) Inert suspended solids greater than 250 mg/l, including, but not limited to:
(a) Fuller’s earth;
(b) Lime slurries; and
(c) Lime residues.
(2) Dissolved solids greater than 1,900 mg/l, including, but not limited to:
(a) Sodium chloride; and
(b) Sodium sulfate.
(3) Excessive discoloration, including, but not limited to:
(a) Dye wastes; and
(b) Vegetable tanning solutions.
(4) BOD, COD or chlorine demand in excess of normal plant capacity.
(C) No person may discharge into public sewers any substance that may:
(1) Deposit grease or oil in the sewer lines in such a manner as to clog the sewers;
(2) Overload skimming and grease handling equipment;
(3) Pass to the receiving waters without being effectively treated by normal biological wastewater treatment processes due to the non-amenability of the substance to bacterial action; or
(4) Deleteriously affect the treatment process due to excessive quantities.
(D) No person may discharge any substance into public sewers which:
(1) Is not amenable to treatment or reduction by the processes and facilities employed; or
(2) Is amenable to treatment only to such a degree that the treatment plant effluent cannot meet the requirements of other agencies having jurisdiction over discharge to the receiving waters.
(E) The approving authority shall regulate the flow and concentration of slugs when they may:
(1) Impair the treatment process;
(2) Cause damage to collection facilities;
(3) Incur treatment costs exceeding those for normal wastewater; or
(4) Render the waste unfit for stream disposal or industrial use.
(F) No person may discharge into public sewers solid or viscous substances which may violate division (A) above if present in sufficient quantity or size, including, but not limited to:
(1) Ashes;
(2) Cinders;
(3) Sand;
(4) Mud;
(5) Straw;
(6) Shavings;
(7) Metal;
(8) Glass;
(9) Rags;
(10) Feathers;
(11) Tar;
(12) Plastics;
(13) Wood;
(14) Unground garbage;
(15) Whole blood;
(16) Paunch manure;
(17) Hair and fleshings;
(18) Entrails;
(19) Paper products, either whole or ground by garbage grinders;
(20) Slops;
(21) Chemical residues;
(22) Paint residues; or
(23) Bulk solids.
(1998 Code, § 122-69) Penalty, see § 51.99
(A) Unless exception is granted by the approving authority, the public sewer system shall be used by all persons discharging:
(1) Wastewater;
(2) Permitted industrial waste;
(3) Polluted liquids; or
(4) Unpolluted waters or liquids.
(B) Unless authorized by the State Water Commission, no person may deposit or discharge any waste included in division (A) above on public or private property in or adjacent to any:
(1) Natural outlet;
(2) Watercourse;
(3) Storm sewer; or
(4) Other area within the jurisdiction of the city.
(C) The approving authority shall verify prior to discharge that the wastes authorized to be discharged will receive suitable treatment within the provisions of laws, regulations, ordinances, rules and orders of federal, state and local governments.
(1998 Code, § 122-70) Penalty, see § 51.99
(A) If discharges or proposed discharges to public sewers may deleteriously affect wastewater facilities, processes, equipment or receiving waters, create a hazard to life or health, or create a public nuisance, the approving authority shall require:
(1) Pretreatment to an acceptable condition for discharge to the public sewers;
(2) Control over the quantities and rates of discharge; and
(3) Payment to cover the cost of handling and treating the wastes.
(B) The approving authority is entitled to determine whether a discharge or proposed discharge is included under division (A) above.
(C) The approving authority shall reject wastes when:
(1) It determines that a discharge or proposed discharge is included under division (A) above; and
(2) The discharger does not meet the requirements of division (A) above.
(1998 Code, § 122-71)
(A) If pretreatment or control is required, the approving authority shall review and approve design and installation of equipment and processes.
(B) The design and installation of equipment and processes must conform to all applicable statutes, codes, ordinances and other laws.
(C) Any person responsible for discharges requiring pretreatment, flow-equalizing or other facilities shall provide and maintain the facilities in effective operating condition at his or her own expense.
(1998 Code, § 122-72) Penalty, see § 51.99
(A) Discharges requiring a trap include:
(1) Grease or waste containing grease in excessive amounts;
(2) Oil;
(3) Sand;
(4) Flammable wastes; and
(5) Other harmful ingredients.
(B) Any person responsible for discharges requiring a trap shall, at his or her own expense and as required by the approving authority:
(1) Provide equipment and facilities of a type and capacity approved by the approving authority;
(2) Locate the trap in a manner that provides ready and easy accessibility for cleaning and inspection; and
(3) Maintain the trap in effective operating condition.
(1998 Code, § 122-73) (Ord. 08-46, passed 11-19-2008)
Any person responsible for discharges through a building sewer carrying industrial wastes shall, at his or her own expense and as required by the approving authority:
(A) Install an accessible and safely located control manhole;
(B) Install meters and other appurtenances to facilitate observation, sampling and measurement of the waste; and
(C) Maintain the equipment and facilities.
(1998 Code, § 122-74)
(A) (1) Sampling shall be conducted according to customarily accepted methods, reflecting the effect of constituents upon the sewage works and determining the existence of hazards to health, life, limb and property. The particular analyses involved will determine whether a 24-hour composite sample from outfalls of the premises is appropriate or whether grab samples should be taken.
(2) Normally, but not always, BOD and TSS analyses are obtained from 24-hour composites of all outfalls.
(3) Where applicable, a 16-hour period, eight-hour period or some other period may be required. Periodic grab samples are used to determine pH.
(B) Examination and analyses of the characteristics of waters and wastes required by this subchapter shall be:
(1) Conducted in accordance with the latest edition of Standard Methods; and
(2) Determined from suitable samples taken at the control manhole provided or other control point authorized by the approving authority.
(C) BOD and TSS shall be determined from composite sampling.
(D) The city may select an independent firm or laboratory to determine flow, BOD and suspended solids.
(E) The city is entitled to select the time of sampling at its sole discretion so long as at least annual samples are taken.
(1998 Code, § 122-75)
(A) Persons making discharges of industrial waste shall pay a charge to cover the cost of collection and treatment.
(B) When discharges of industrial waste are approved by the approving authority, the city or its authorized representative shall enter into an agreement or arrangement providing:
(1) Terms of acceptance by the city; and
(2) Payment by the person making the discharge.
(1998 Code, § 122-76)
A person discharging industrial wastes into public sewers prior to the effective date of Ord. 73-23 may continue without penalty so long as he or she:
(A) Does not increase the quantity or quality of discharge without permission of the approving authority;
(B) Had discharged the industrial waste at least six months prior to the effective date of the ordinance; and
(C) Applied for and was granted a permit no later than 150 days after the effective date of the ordinance.
(1998 Code, § 122-77)
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