Sec. 23D-7-10. Prohibited discharges.

No person shall discharge or cause to be discharged into the municipal storm drain system or watercourses any materials, including but not limited to pollutants or waters containing any pollutants other than storm water. The commencement, conduct or continuance of any illegal discharge to the storm drain system is prohibited except as described as follows:
(a) Discharges from the following activities will not be considered a source of pollutants to the storm drain system and to waters of the U.S. when properly managed to ensure that no potential pollutants are present, and therefore they shall not be considered illegal discharges unless determined to cause a violation of the provisions of the Porter-Cologne Act, Clean Water Act or this ordinance:
(1) Water line flushing;
(2) Landscape irrigation;
(3) Diverted stream flows;
(4) Rising ground water;
(5) Uncontaminated groundwater infiltration (as defined at 40 CFR 35.2005(20)) to separate storm sewers;23D-7-10
(6) Uncontaminated pumped groundwater;
(7) Discharges from potable water sources;
(8) Foundation drains;
(9) Air conditioning condensation;
(10) Irrigation water;
(11) Springs;
(12) Water from crawl space pumps;
(13) Footing drains;
(14) Lawn watering;
(15) Individual residential car washing;
(16) Flows from riparian habitats and wetlands; and
(17) Dechlorinated swimming pool discharges.
(b) The prohibition shall not apply to any non-storm water discharge permitted under an NPDES permit, waiver or waste discharge order issued to the discharger and administered by the state of California under the authority of the Federal Environmental Protection Agency, provided that the discharger is in full compliance with all requirements of the permit, waiver, or order and other applicable laws and regulations, and provided that written approval has been granted by the city for any discharge to the storm drain system.
(c) With written concurrence of the regional board, the city may exempt in writing other non-storm water discharges which are not a source of pollutants to the storm drain system nor waters of the U.S. (Ord. No. 1369, § 2 (part).)