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(A) No person may discharge to public sewers any waste which by itself or by interaction with other wastes may:
(1) Injure or interfere with wastewater treatment processes or facilities;
(2) Constitute a hazard to humans or animals; or
(3) Create a hazard in receiving waters of the wastewater treatment plant effluent.
(B) All discharges shall conform to requirements of this chapter.
(1998 Code, § 122-62) Penalty, see § 51.99
(A) No discharge to public sewers may contain:
(1) Cyanide greater than one mg/l;
(2) Fluoride other than that contained in the public water supply;
(3) Chlorides in concentrations greater than 250 mg/l;
(4) Gasoline, benzene, naphtha, fuel oil or other flammable or explosive liquid, solid or gas; or
(5) Substances causing an excessive chemical oxygen demand (COD).
(B) No waste or wastewater discharged to public waters may contain:
(1) Strong acid, iron pickling wastes or concentrated plating solutions, whether neutralized or not;
(2) Fats, wax, grease or oils, whether emulsified or not, in excess of 100 mg/l or containing substances which may solidify or become viscous at temperatures between 32°F and 150°F (0° and 65°C);
(3) Objectionable or toxic substances exerting an excessive chlorine requirement, to the degree that the material received in the composite wastewater at the wastewater treatment works exceeds the limits established by the approving authority for the materials; or
(4) Obnoxious, toxic or poisonous solids, liquids or gases in quantities sufficient to violate the provisions of § 51.26(A) of this chapter.
(C) No waste, wastewater or other substance may be discharged into public sewers which has a pH lower than 5.5 or higher than 9.5, or any other corrosive property capable of causing damage or hazard to structures, equipment and personnel at the wastewater facilities.
(D) All waste, wastewater or other substances containing phenols, hydrogen sulfide or other odor-producing substances shall conform to concentration limits established by the approving authority. After treatment of the composite wastewater, concentration limits may not exceed the requirements established by state, federal or other agencies with jurisdiction over discharges to receiving waters.
(1998 Code, § 122-63) Penalty, see § 51.99
(A) No discharges may contain concentrations of heavy metals greater than amounts specified in division (B) below.
(B) The maximum allowable concentrations of heavy metals, stated in terms of milligrams per liter, determined on the basis of individual sampling in accordance with Standard Methods are:
Metal | mg/l |
Metal | mg/l |
Arsenic | 0.05 |
Barium | 5.0 |
Boron | 1.0 |
Cadmium | 0.02 |
Chromium (total) | 5.0 |
Copper | 1.0 |
Lead | 0.1 |
Manganese | 1.0 |
Mercury | 0.005 |
Nickel | 1.0 |
Selenium | 0.02 |
Silver | 0.1 |
Zinc | 5.0 |
(C) In determining the concentration parameters to be included in this chapter, current state, federal and other appropriate agency rules, regulations and orders should be consulted, including Order 70-0828-5 of the State Water Quality Board regulating the discharge of hazardous metals into or adjacent to state waters.
(D) No other heavy metals or toxic materials may be discharged into public sewers without a permit from the approving authority specifying conditions of pretreatment, concentrations, volumes and other applicable provisions.
(E) Prohibited heavy metals and toxic materials include, but are not limited to:
(1) Antimony;
(2) Beryllium;
(3) Bismuth;
(4) Cobalt;
(5) Molybdenum;
(6) Tin;
(7) Uranyl ion;
(8) Rhenium;
(9) Strontium;
(10) Tellurium;
(11) Herbicides;
(12) Fungicides; and
(13) Pesticides.
(1998 Code, § 122-64) Penalty, see § 51.99
(A) No person may discharge garbage into public sewers unless it is shredded to a degree that all particles can be carried freely under the flow conditions normally prevailing in public sewers. Particles greater than one-half inch in any dimension are prohibited.
(B) The approving authority is entitled to review and approve the installation and operation of any garbage grinder equipped with a motor of 1.33 horsepower or greater.
(1998 Code, § 122-65) Penalty, see § 51.99
(A) No person may discharge to public sanitary sewers:
(1) Unpolluted storm water, surface water, ground water, roof runoff or subsurface drainage;
(2) Unpolluted cooling water;
(3) Unpolluted industrial process waters; or
(4) Other unpolluted drainage.
(B) In compliance with the State Water Quality Act (Tex. Water Code §§ 26.001 et seq.) and other statutes, the approving authority may designate storm sewers and other watercourses into which unpolluted drainage described in division (A) above may be discharged.
(1998 Code, § 122-66) Penalty, see § 51.99
No person may discharge liquid or vapor having a temperature higher than 150°F (65°C), or any substance which causes the temperature of the total wastewater treatment plant influent to increase at a rate of 10°F or more per hour, or causes a combined total increase of plant influent temperature to 110°F.
(1998 Code, § 122-67) Penalty, see § 51.99
(A) No person may discharge radioactive wastes or isotopes into public sewers without the permission of the approving authority.
(B) The approving authority may establish, in compliance with applicable state and federal regulations, regulations for discharge of radioactive wastes into public sewers.
(1998 Code, § 122-68) Penalty, see § 51.99
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