(A) Illicit discharges and connections. No person shall commence, establish, use, maintain, or continue any illicit connections to the MS4 or any illicit discharges to the MS4. This prohibition against illicit connections applies to the use, maintenance, or continuation of any illicit connection, whether that connection was established prior to, or after the effective date of this chapter.
(C) Non-storm water discharges. All non-storm water discharges into the MS4 are prohibited unless those flows are:
(1) In compliance with a separate NPDES Permit;
(2) Pursuant to a discharge exemption by the Regional Board, the Regional Board's executive officer, or the State Water Resources Control Board;
(3) Associated with emergency firefighting activities (i.e., flows necessary for the protection of life or property);
(4) Natural flows as defined in the Municipal NPDES Permit;
(5) Conditionally exempt non-storm water discharges as defined in accordance with the Municipal NPDES Permit; or
(6) Authorized as a temporary non-storm water discharge by USEPA pursuant to sections 104(a) or 104(b) of the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA).
(D) Prohibited discharges include, but are not limited to:
(1) The discharge of wash waters to the MS4 from commercial auto washing or from cleaning activities originating from gas stations, auto repair garages, or other type of automotive service facilities;
(2) The discharge of water to the MS4 from mobile auto washing, steam cleaning, mobile carpet cleaning, and other such mobile commercial and industrial operations;
(3) Discharges to the MS4 from areas where repair of machinery and equipment, including motor vehicles, which are visibly leaking oil, fluid, or antifreeze, is undertaken;
(4) Discharges of runoff to the MS4 from storage areas of materials containing grease, oil, or other hazardous substances, and uncovered receptacles containing hazardous materials;
(5) Discharges of commercial/residential swimming pool, spa, or fountain filter backwash to the MS4;
(6) Discharges of runoff from the washing of toxic materials from paved or unpaved areas to the MS4;
(7) Discharges to the MS4 from washing impervious surfaces in industrial/commercial areas, unless specifically required by the Regional Board, the city, or the Los Angeles County Department of Public Health with approval from the Regional Board, or permitted under a separate NPDES permit;
(8) Discharges to the MS4 from the washing out of concrete or cement laden wash water from concrete trucks, pumps, tools, and equipment;
(9) Discharges to the MS4 of any pesticide, fungicide, or herbicide banned by the USEPA or the California Department of Pesticide Regulation or a product registered under the Federal Insecticide, Fungicide and Rodenticide Act to any waste stream that may ultimately be released to waters of the United States unless specifically authorized under an NPDES permit. This requirement is not applicable to products used for lawn and agricultural purposes.
(10) The disposal of hazardous wastes into trash containers used for municipal trash disposal where such disposal causes or threatens to cause a direct or indirect discharge to the MS4.
(E) Discharges in violation of the Municipal NPDES Permit. Any discharge that would result in or contribute to a violation of the Municipal NPDES Permit, either separately or in combination with other discharges, is prohibited. Liability for any such discharge shall be the responsibility of the person(s) causing or responsible for the discharge, and such person(s) shall defend, indemnify and hold harmless the city from all losses, liabilities, claims, or causes of actions in any administrative or judicial action relating to such discharge.
(Ord. 2015-01U § 4 (part), 2015; Ord. 2015-01 § 4 (part), 2015)