§ 6-709. PROHIBITION OF ILLICIT DISCHARGES.

The commencement, conduct or continuance of any illicit discharge to the storm drain system is prohibited except as described below.

(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 potential pollutants are not present, and therefore they shall not be considered illicit discharges subject to this prohibition, unless specifically determined to cause a violation of the provisions of the Porter-Cologne Act, Clean Water Act, or this ordinance; water line flushing; uncontaminated pumped ground water and other discharges from potable water sources; landscape irrigation and lawn watering; irrigation water, storm water runoff, and return flows from agricultural lands; diverted stream flows; rising ground water; uncontaminated ground water infiltration to the storm drain system; foundation and footing drainage; water from crawl space pumps; air conditioning condensate; springs; individual residential and occasional non-commercial car washing; flows from riparian habitats and wetlands; de-chlorinated swimming pool discharge; municipal and construction-related street was waters; and waters from fire fighting.

(b) The prohibition shall not apply to any non-storm water discharge permitted or approved under an NPDES permit, waiver, or waste discharge order issued to the dischrrger 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 District for any discharge to the storm drain system.

(c) With written concurrence of the Regional Board, the District may exempt in writing other non-storm water discharges which are not a source of pollutants to the storm drain system or waters of the U.S. (Added Ord. 97-16, § 1, eff. 5-9-97).