The agency provides government regulatory services related to water pollution and control for Los Angeles and Ventura counties.

Address: 320 W. 4th St. Los Angeles CA 90013
Website: http://www.waterboards.ca.gov/losangeles
Phones:
  • FAX (213) 576-6640, Los Angeles Service/Intake (213) 576-6600, Sacramento Service/Intake and Administration (916) 341-5057