Earlier editions: 2026-09
Chapter 21 — SEWERS AND SEWAGE DISPOSAL›Article V — USE REGULATIONS
Belmont Municipal Code Div. 4 Prohibitions
Belmont Municipal Code · 2026-10 edition · updated 2026-10-04 · Belmont
Cite as: Belmont Municipal Code Division 4 · Text as of 2026-10-04
Sec. 21-151. - General.¶
No person shall, and it shall be unlawful to, discharge wastes into the sewerage facilities which cause, threaten to cause, or are capable of causing, either alone or by interaction with other substances:
(1) A fire or explosion;
(2) Obstruction of flow in, or injury to, the sewerage facilities, or any portion thereof;
(3) Danger to life or safety of persons;
(4) Conditions inhibiting or preventing the effective maintenance or operation of the sewerage facilities;
(5) Strong or offensive odors, air pollution, or any noxious, toxic or malodorous gas or substance, or gas producing substances;
(6) Interference with the wastewater treatment process, or overloading of the sewerage facilities, or excessive collection or treatment costs, or use of a disproportionate share of the capacity of the sewerage facilities;
(7) Interference with any wastewater reclamation process, which does or may operate in conjunction with the sewerage facilities, or overloading, or a breakdown of such reclamation process, or excessive reclamation costs, or any product of the treatment process which renders such reclamation process impracticable or not feasible under normal operating conditions;
(8) A detrimental environmental impact, or a nuisance wherever located, or a condition unacceptable to any public agency having regulatory jurisdiction over operation of the sewerage facilities;
(9) Discoloration, or any other adverse condition in the quality of the effluent from the sewerage facilities such that receiving water quality requirements established by any statute, rule, regulation, ordinance or permit condition cannot be met by the city or the authority;
(10) Conditions at or near the sewerage facilities, or any portion thereof, which cause, or may cause, the city or authority to be in violation of the requirements of law;
(11) Pollutants introduced into the sewerage facilities which pass through or interfere with the operation or performance of the sewerage facilities.
(Code 1961, § 22A.3; Ord. No. 566, § 1, 11-10-75-, No. 715, § 2, 1-10-84; Ord. No. 952, § 1(Exh. A), 7-25-00)
Sec. 21-152. - Storm drainage and groundwater.¶
No person shall, and it shall be unlawful to, discharge, cause to be discharged, or permit to be discharged, any stormwater, groundwater, rainwater, street drainage, subsurface drainage, or yard drainage, either directly or indirectly into the sewerage facilities, unless a permit therefor is issued by the director. The director may issue such permit only upon a finding by him that no reasonable alternative method of disposal of such water is available.
(Code 1961, § 22A.4; Ord. No. 566, § 1, 11-10-75; Ord. No. 952, § 1(Exh. A), 7-25-00)
Sec. 21-153. - Unpolluted water.¶
No person shall, and it shall be unlawful to, discharge, cause to be discharged, or permit to be discharged, any unpolluted water, including, but not limited to, cooling water, process water, or blowdown water from cooling towers or evaporative coolers, either directly or indirectly into the sewerage facilities, unless a permit therefor is issued by the director.
(Code 1961, § 22A.5; Ord. No. 566, § 1, 11-10-75; Ord. No. 952, § 1(Exh. A), 7-25-00)
Sec. 21-154. - Garbage grinders.¶
(a) No person shall, and it shall be unlawful to, discharge, cause to be discharged, or permit to be discharged, waste from garbage grinders into the sewerage facilities, provided, however, that
(1) Wastes generated in preparation of food normally consumed on the premises may be so discharged; or
(2) Such discharge is made pursuant to a permit issued by the director.
(b) Garbage grinders from which wastes are permitted under either subparagraph (1) or (2) above, shall be of such design and capacity to shred wastes used herein such that all waste particles shall be carried freely under normal flow conditions into and through the sewerage facilities.
(Code 1961, § 22A.6; Ord. No. 566, § 1, 11-10-75; Ord. No. 952, § 1(Exh. A), 7-25-00)
Sec. 21-155. - Point of discharge.¶
No person shall, and it shall be unlawful to, discharge, cause to be discharged, or permit to be discharged, any wastes or wastewater, or any object, material, or other substance directly into a manhole or other opening into the sewerage facilities other than wastes or wastewater through an approved building sewer; provided, however, that wastes or wastewater may be discharged into the sewerage facilities by means other than through an approved building sewer pursuant to a permit therefor issued by the director.
(Code 1961, § 22A.7; Ord. No. 566, § 1,11-10-75; Ord. No. 952, § 1(Exh. A), 7-25-00)
Sec. 21-156. - Holding tank waste.¶
No person shall, and it shall be unlawful to, discharge, cause to be discharged, or permit to be discharged, any holding tank waste into the sewerage facilities; provided, however, that;
(1) Such discharges may be made into facilities designed to receive such wastes and approved by the director; or
(2) Such discharges may be made pursuant to a permit issued therefor by the director. Unless otherwise provided by the director, a separate permit shall he required for each separate holding tank waste discharge.
(Code 1961, § 22A.8; Ord. No. 566, § 1, 11-10-75; Ord. No. 952, § 1(Exh. A), 7-25-00)
Sec. 21-157. - Radioactive wastes.¶
No person shall, and it shall be unlawful to, discharge, cause to be discharged, or permit to be discharged, any radioactive waste into the sewerage system, provided, however, that:
(1) Persons authorized to use radioactive materials by the state department of health or other governmental agency empowered to regulate the use of radioactive materials may discharge, cause to be discharged, or permit to be discharged, such wastes, provided that such wastes are discharged in strict conformance with current state radiation control regulations (California Administrative Code, Title XVII, Ch. 5, Sub. Ch. 4, Group 3, Art. 5), and federal regulations and recommendations for safe disposal of such wastes; and
(2) The person so acting does so in compliance with all applicable rules and regulations of all other regulatory agencies.
(Code 1961, § 22A.9; Ord. No. 566, § 1, 11-10-75; Ord. No. 952, § 1(Exh. A), 7-25-00)
Sec. 21-158. - Wastewater strength—Generally.¶
No person shall, and it shall be unlawful to, discharge, cause to be discharged, or permit to be discharged, any wastewater containing any of the following constituents in excess of the maximum allowable amounts respectively hereinafter established therefor:
Facilities which discharge 10,000 gallons per day and above:
(a) 0.1 mg/l arsenic;
(b) 0.2 mg/l cadmium;
(c) 2.0 mg/l copper;
(d) 1.0 mg/l cyanide;
(e) 1.0 mg/l lead;
(f) 0.01 mg/l mercury;
(g) 1.0 mg/l nickel;
(h) 4.0 mg/l silver;
(i) 0.5 mg/l total chromium; and
(j) 3.0 mg/l zinc.
Facilities which discharge below 10,000 gallons per day:
(a) 0.0038 kg/day arsenic;
(b) 0.0076 kg/day cadmium;
(c) 0.076 kg/day copper;
(d) 0.038 kg/day cyanide;
(e) 0.038 kg/day lead;
(f) 0.00038 kg/day mercury;
(g) 0.038 kg/day nickel;
(h) 0.15 kg/day silver;
(i) 0.019 kg/day total chromium; and
(j) 0.11 kg/day zinc.
(Code 1961, § 22A.10; Ord. No. 566, § 1, 11-10-75; Ord. No. 715, § 3, 1-10-84; Ord. No. 952, § 1(Exh. A), 7-25-00)
Sec. 21-159. - Same—Additional limitations.¶
No person shall, and it shall be unlawful to, discharge, cause to be discharged, or permit to be discharged, any wastewater:
(1) The temperature of which is higher than one hundred fifty (150) degrees Fahrenheit (sixty-five (65) degrees centigrade);
(2) Containing more than 300 mg/l of oil or grease of animal or vegetable origin;
(3) Containing more than 100 mg/l of oil or grease of mineral or petroleum origin;
(4) Having a pH lower than 6.0 or having a corrosive property capable of causing damage or hazard to structures or equipment of the sewerage facilities, or any portion thereof;
(5) Containing in excess of 0.02 mg/l total identifiable chlorinated hydrocarbons, unless otherwise authorized by permit issued pursuant to section 21-114 or 21-115;
(6) Containing in excess of 1.0 mg/l phenolic compounds, unless otherwise authorized by permit issued pursuant to section 21-114 or 21-115;
(7) Any sand, grit, straw, metal, glass, rags, feathers, paper, tar, plastic, wood, leaves, garden clippings, manure, dead animals, offal, or any other solid or viscous substance capable of causing obstruction to the flow in the sewerage facilities, or which in any way interferes with the proper operation of the sewerage facilities;
(8) Any waste containing a toxic or poisonous substance not otherwise specifically prohibited in this article, in sufficient quantities to constitute a hazard to humans or animals, or to create a hazard in the sewerage facilities, or to injure or interfere with the operation thereof,
(9) Any waste containing suspended solids, not otherwise specifically prohibited under the provisions of this article, the characteristics or quantity of which require unusual attention, treatment, or expense in handling or treating such materials in the sewerage facilities, or any portion thereof.
(Code 1961, § 22A.11; Ord. No. 566, § 1, 11-10-75; Ord. No. 952, § 1(Exh. A), 7-25-00)
Sec. 21-160. - Specific user limitations.¶
Notwithstanding the limitations upon the characteristics or quantity of wastewater discharge, cause[d] to be discharged, or permitted to be discharged into the sewerage facilities pursuant to this division, the director may, in connection with the issuance of permits pursuant to the provisions of division 2, establish additional or different specific limitations on wastewater strength upon a finding by the director, with the concurrence of the manager of the authority, that:
(1) The limitations set forth in this division may not be sufficient to protect the operation of the sewerage facilities, or any portion thereof, or the waste or wastewater proposed to be discharged constitutes a hazard to, or an unreasonable burden upon, such operation, or otherwise causes or significantly contributes to violation of the authority's NPDES permit; or
(2) The limitations set forth in this division may be unreasonably restrictive when applied to a specific industry, and imposing a less stringent limitation will not cause or contribute to violation of any state or federal requirement of law; or
(3) Specific standards have been established by the state or federal government for a specific category of industrial user which would supersede the limitations set forth in this article with respect to such category.
(Code 1961, § 22A.12; Ord. No. 566, § 1, 11-10-75; Ord. No. 715, § 4, 1-10-84; Ord. No. 952, § 1(Exh. A), 7-25-00)
Sec. 21-161. - Permits.¶
(a) Applications: Applications for permits required or authorized pursuant to the provisions of this division shall be in writing in such form as the director shall require, and shall set forth the following:
(1) The name and address of the applicant;
(2) The location and description of the discharge proposed to be permitted;
(3) A detailed description of any work to be performed, and materials and equipment to be used in carrying out the provisions of such permit; and
(4) Such other information deemed necessary by the director to determine the effect upon the sewerage facilities of the proposed discharge or activities related thereto, or otherwise reasonably necessary to enable the director to carry out the provisions of this article, or any other requirements of law.
(b) Conditions: Permits required or authorized pursuant to the provisions of this division shall be subject to reasonable terms and conditions determined necessary or appropriate by the director in order to carry out the provisions of, and insure compliance with, this article, or of any other requirements of law.
(c) Fees: No such permit shall be issued until all applicable fees and charges established pursuant to this article have first been paid.
(Code 1961, § 22A.13; Ord. No. 566, § 1, 11-10-75; Ord. No. 952, § 1(Exh. A), 7-25-00)
Secs. 21-162—21-167. - Reserved.¶
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