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Earlier editions: 2026-09

Chapter 23 — SEWERS AND SEWAGE DISPOSAL›Article II — INDUSTRIAL WASTE

Fontana Municipal Code Div. 3 General and Specific Prohibitions

Fontana Municipal Code · 2026-10 edition · updated 2026-10-04 · Fontana

Cite as: Fontana Municipal Code Division 3 · Text as of 2026-10-04

Sec. 23-116. - Authorization for new or increased pollutant discharges or changes in…

No person shall commence, increase or substantially change any discharge of wastewater to the POTW except as authorized by the public works director in accordance with the provisions of this article.

(Ord. No. 1984, § 2(Exh. A), 3-10-26)

Exceptions & meaning →

Sec. 23-117. - General and specific prohibited discharges to sewer system.

(a) No user shall introduce or cause to be introduced in the POTW any pollutant or wastewater which causes pass-through or interference or would cause the city or control authority to violate any federal, state, or local requirement or permit. This general prohibition shall apply to all users of the POTW whether or not they are subject to categorical standards or any other national, state, or local pretreatment standard or requirement.

(b) No user shall, except as provided in this article, introduce or cause to be introduced into the POTW the following pollutants, substances, or wastewater:

(1) Pollutants which create a fire or explosive hazard in the POTW, including, but not limited to, wastestreams with a closed-cup flashpoint of less than 140 degrees Fahrenheit (60 degrees Celsius) using the test methods specified in 40 CFR 261.21;

(2) Wastewater having a pH less than the minimum or greater than the maximum specified in section 23-137, or otherwise causing corrosive structural damage to wastewater treatment facilities or the POTW;

(3) Solid or viscous substances in amounts which will cause obstruction of the flow in wastewater treatment facilities or the POTW resulting in interference, but in no case solids greater than three-eighths inches in any dimension, including, but not limited to, asphalt, concrete, dead animals, ashes, mud, straw, shavings, stone or marble dust, spent lime, diatomaceous earth, metal, glass, rags, spent grains, spent hops, feathers, grass clippings, tar, plastics, wood, paunch manure, bones, hair, fleshings, animal guts and tissues, waste paper;

(4) Pollutants, including oxygen-demanding pollutants (BOD, etc.), released in a discharge at a flow rate or concentration which, either singly or by interaction with other pollutants, will cause interference with the POTW;

(5) Wastewater having a temperature greater than 140 degrees Fahrenheit (60 degrees Celsius), or which will inhibit biological activity in the wastewater treatment plant resulting in interference, but in no case wastewater which causes the temperature at the introduction into the treatment plant to exceed 104 degrees Fahrenheit (40 degrees Celsius);

(6) Any wastes containing petroleum oil, nonbiodegradable cutting oil, refined petroleum products, dispersed biodegradable oils, fats and greases, such as lard, tallow, vegetable oil, or products of mineral oil origin, in amounts that will cause interference or pass-through, obstruct flows within the collection system, or contributes to or causes a sanitary sewer overflow;

(7) Pollutants which result in the presence of toxic gases, vapors, or fumes within the POTW in a quantity that may cause acute worker health and safety problems;

(8) Trucked or hauled pollutants, except as authorized by the public works director;

(9) Noxious or malodorous liquids, gases, solids, or other wastewater which, either singly or by interaction with other wastes, are sufficient to create a public nuisance or a hazard to life, or to prevent entry into the sewer system for maintenance or repair;

(10) Wastewater which imparts color which cannot be removed by the treatment process, such as, but not limited to, dye wastes and vegetable tanning solutions, which consequently imparts color to the treatment plant's effluent, thereby violating the applicable control authority's NPDES permit;

(11) Wastewater containing any radioactive wastes or isotopes except in compliance with applicable state or federal regulations;

(12) Stormwater, surface water, ground water, artesian well water, roof runoff, subsurface drainage, swimming pool drainage, condensate, deionized water, noncontact cooling water, and unpolluted water, unless specifically authorized by the applicable control authority's director and provided that the discharger gives notice to the public works director pursuant to section 23-22;

(13) Sludges, screenings, or other residues from the pretreatment of industrial wastes;

(14) Solid wastes from hospitals, clinics, offices of medical doctors, convalescent homes, medical laboratories, or other medical facilities including, but not limited to, hypodermic needles, syringes, instruments, utensils, paper or plastic items of a disposable nature, or recognizable portions of the human anatomy or laboratory animals;

(15) Wastewater causing, alone or in conjunction with other sources, the wastewater treatment plant's effluent to fail toxicity test;

(16) Detergents, surface-active agents (surfactants), or other substances that cause excessive foaming in the POTW;

(17) Waste generated outside the city service area unless otherwise approved by the general manager;

(18) Wastewater containing excessive quantities of bromide causing, alone or in conjunction with other sources, the wastewater treatment plant's effluent to violate the applicable control authority's NPDES permit for Chlorodibromomethane or Dichlorobromomethane;

(19) Wastewater containing excessive quantities of 2, 3, 7, 8-TCDD (Dioxin);

(20) Hydrolysate or wastewater resulting from Hydrolysis;

(21) Unused, unwanted, or expired pharmaceuticals (both over the counter and prescription-only medications), except in accordance with federal and state regulations, or in the absence of such regulations, using best management practices;

(22) Holding tank waste;

(23) Any quantity of wastewater flow in excess of permitted limits or purchased capacity;

(24) Wastewater containing excessive quantities of 1, 2, 3 Trichloropropane.

(c) Pollutants, substances, or wastewater prohibited by subsection (b) shall not be processed or stored in such a manner that they could be discharged to the POTW.

(Ord. No. 1984, § 2(Exh. A), 3-10-26)

Exceptions & meaning →

Sec. 23-118. - Discharge of pollutant to watercourse.

No person shall circumvent or obviate the intent or purpose of this article by discharging or by causing to be discharged, into any storm drain, channel, natural watercourse or public street, any material or waste prohibited or restricted as to its discharge into a sewer system.

(Ord. No. 1984, § 2(Exh. A), 3-10-26)

Exceptions & meaning →

Sec. 23-119. - Discharge of pollutant to ground.

No person shall deposit or discharge or cause to be deposited or discharged into any sump which is not impermeable, or into any pit or well, or onto the ground, or into any storm drain or watercourse, any material which, by seeping underground or by being leached or by reacting with the soil, can pollute usable groundwaters, or any pretreatment wastes.

(Ord. No. 1984, § 2(Exh. A), 3-10-26)

Exceptions & meaning →

Sec. 23-120. - Point of discharge.

No person, excluding authorized city personnel involved in maintenance functions of sewer system, shall discharge or cause to be discharged any wastewater or any other matter directly into a manhole or other opening leading to the POTW other than through an approved building sewer, unless written permission for the discharge has been provided by the public works director.

(Ord. No. 1984, § 2(Exh. A), 3-10-26)

Exceptions & meaning →

Sec. 23-121. - Dilution of flow.

No person shall increase the use of process water or in any way attempt to dilute a discharge as a partial or complete substitute for adequate treatment to achieve compliance with the local limits established by the city or the applicable control authority, categorical standards, or in any other pollutant-specific limitations developed by the city or the applicable control authority, unless expressly authorized by an applicable pretreatment standard or requirement.

(Ord. No. 1984, § 2(Exh. A), 3-10-26)

Exceptions & meaning →

Sec. 23-122. - Interference with city equipment or facilities.

No person shall enter, break, damage, destroy, uncover, deface or tamper with any temporary or permanent structure, equipment or appurtenance which is part of the POTW or is required or authorized by the provisions of this article.

(Ord. No. 1984, § 2(Exh. A), 3-10-26)

Exceptions & meaning →

Sec. 23-123. - Right of revision.

The public works director reserves the right to establish, by ordinance or in wastewater discharge permits, more stringent standards or requirements on discharges to the POTW consistent with the purpose of this chapter.

(Ord. No. 1984, § 2(Exh. A), 3-10-26)

Exceptions & meaning →

Secs. 23-124—23-135. - Reserved.

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