Monrovia Municipal Code Ch. 13.12 Sewage Discharges

(A) It shall be unlawful for any person, including any public official or employee, not otherwise specifically authorized by law, to remove or cause to be removed a manhole cover from a public sewer carrying domestic sewage or industrial waste for the purpose of entering the sewer, or to discharge, deposit or cause to be discharged or deposited, surface drainage or storm waters into a public sewer, unless specific permission is first obtained from the owners and operators of such public sewer authorized to grant such permission.

(B) It shall also be unlawful for any person, including any public official or employee, or any person otherwise authorized by law to enter public sewers carrying sanitary sewage and/or industrial waste, to construct or authorize construction of a connection to a public sewer or to remove a manhole cover, for the purpose of permitting or causing to be discharged into the public sewer, flood, surface, or storm water.

(`83 Code, § 13.12.010)

The following non-storm water discharges into the Municipal Separate Storm Sewer System are prohibited unless in compliance with a separate NPDES permit or pursuant to a discharge exemption by the Regional Board, the Regional Board's Executive Officer, or the State Water Resources Control Board:

(A) The discharge of untreated wash waters to the Municipal Separate Storm Sewer System when gas stations, auto repair garages, or other type of automotive service facilities are cleaned;

(B) The discharge of untreated wastewater to the Municipal Separate Storm Sewer System from mobile auto washing, steam cleaning, mobile carpet cleaning, and other such mobile commercial and industrial operations;

(C) To the maximum extent practicable, discharges to the Municipal Separate Storm Sewer System from areas where repair of machinery and equipment, including motor vehicles, which are visibly leaking oil, fluid, or antifreeze is undertaken;

(D) Discharges of untreated runoff to the Municipal Separate Storm Sewer System from storage areas of materials containing grease, oil, or other hazardous substances, and uncovered receptacles containing hazardous materials;

(E) Discharges of commercial/municipal swimming pool filter backwash to the Municipal Separate Storm Sewer System;

(F) Discharges of untreated runoff from the washing of toxic materials from paved or unpaved areas to the Municipal Separate Storm Sewer System; provided, however, that non-industrial and non-commercial activities which incidentally generate urban runoff, such as the hosing of sidewalks, and the non-commercial hand washing of cars, shall be excluded from this prohibition;

(G) To the maximum extent practicable, discharges to the Municipal Separate Storm Sewer System from washing impervious surfaces in industrial/commercial areas which results in a discharge of untreated runoff to the Municipal Separate Storm Sewer System, unless specifically required by state's, or the city's, or Los Angeles County's health and safety codes, or permitted under a separate NPDES permit;

(H) Discharges from the washing out of concrete trucks into the Municipal Separate Storm Sewer System; or

(I) Discharges to the Municipal Separate Storm Sewer System of any pesticide, fungicide, or herbicide, banned by the USEPA or the California Department of Pesticide Regulation;

(J) Disposal of hazardous wastes into trash containers or appropriately recycled, as specified in § 8.08.060 of this code.

(`83 Code, § 13.12.015) (Ord. 97-04, § 2, 1997)

It shall be unlawful for any person owning, maintaining or operating any hotel, apartment house, sanatorium, drugstore, restaurant, lunch counter, soda fountain stand, public garage, oil station, manufacturing plant or other business, to deposit or discharge or permit to be deposited or discharged from his or her establishment into any public sewer, drain or catch basin any water, sewage or liquid waste containing chemicals, grease, oil, tar or other materials in solution which shall or may by reason of precipitation, hardening or congealing clog, obstruct or fill the same or interfere with or prevent the effective and unobstructed use, or which shall require frequent repair, cleaning out or flushing of the sewer, drain or catch basin, or which shall hinder or prevent the proper functioning of the septic tank into which the sewers discharge.

(`83 Code, § 13.12.020)

Every person owning, maintaining or operating any hotel, apartment house, sanatorium, drugstore, restaurant, lunch counter, soda fountain stand, public garage, oil station, manufacturing establishment or other business from which chemicals, grease, transmission grease, crank case or other oil, tar and other such substances of like nature are now being or may hereafter be discharged to or into any public sewer, drain or catch basin, shall install a grease trap or other similar appliance which shall effectively stop and hold such chemicals, grease, oil, tar and other such substances and prevent the same from entering or being discharged into the sewers, drains or catch basins, and provided further, that such grease trap or similar appliance shall be effectively cleaned not less than once in each month and all such chemicals, grease, oil, tar and other substances removed therefrom and disposed of in some manner other than through the sewers, drains and catch basins.

(`83 Code, § 13.12.030)

(A) For purposes of the section, the following definitions shall apply:

OWNER OF THE PROPERTY. Any person, agent, firm or corporation having a legal or equitable interest in the real property served by a sewer lateral.

SEWER LATERAL. That connecting sewer line running from the sewer main “Y” connection to the private property line and extending to the structure to which it connects.

SEWER MAIN. The main line sewer, used as a trunk line or major channel of passage for transporting sewage and waste, constructed in a street, highway, alley, place or right-of-way dedicated to public use. It shall not include sewer laterals.

(B) All sewer laterals shall be maintained by the owner of the property served by such lateral in a safe and sanitary operating condition so that there is no seepage of waste at any point up to and including the junction of the sewer lateral and the sewer main and so that passage of waste through the lateral to the sewer main is free from stoppage and obstruction. In addition, all devices and safeguards required for the operation of sewer laterals shall be maintained in good working order.

(`83 Code, § 13.12.040) (Ord. 2000-25 § 1, 2000)