A. Any discharge or connection regulated under a NPDES permit issued to the discharger and administered by the state of California pursuant to Division 7, Chapter 5.5 of the California Water Code, provided that the discharger is in compliance with all requirements of the permit and all other applicable laws and regulations.
B. Discharges from the following activities that do not cause or contribute to the violation of any plan standard:
1. Potable water line flushing and other discharges from potable water sources;
2. Landscape irrigation and lawn watering;
3. Rising ground waters or springs;
4. Passive foundation and footing drains;
5. Water from crawl space pumps and basement pumps;
6. Air conditioning condensate;
7. Noncommercial vehicle washing;
8. Natural flows from riparian habitats and wetlands;
9. Dechlorinated swimming pool discharges that do not contain biocides or other chemicals, excluding filter backwash water;
10. Flows from fire suppression activities, including fire hydrant flows;
11. Diverted stream flows;
12. Uncontaminated ground water infiltration to separate storm sewers; and
13. Potable water used to wash sediment from streets and parking lots associated with construction sites that have been issued a street washing certification by the Department of Utilities and have implemented required best management practices.
C. Any discharge that the enforcement official, the local health officer, or the Regional Water Quality Control Board determines in writing is necessary for the protection of the public health and safety.
D. Any discharge caused by flooding or other natural disaster that could not have been reasonably foreseen or mitigated in advance by the discharger, as determined by the enforcement official. (Ord. 2004-042 § 1; Ord. 98-007 § 1; prior code § 87.01.106)