Department of Public Works
dpw.lacounty.gov

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The Municipal National Pollutant Discharge Elimination System (NPDES) Permit is issued to the County of Los Angeles and 84 cities (minus Avalon, Lancaster, Long Beach and Palmdale) by the California Regional Water Quality Control Board, Los Angeles Region.

The County of Los Angeles Department of Public Works Watershed Management Division is the agency assigned as the Principal Permittee. Our goal is to improve the overall quality of life for residents of Los Angeles County.

If you have any questions or need forms or other information you may contact us at our public counter, via mail or phone.
Managed by the County of Los Angeles Department of Public Works, Environmental Programs Division
Toll Free Phone Number: 1(888) CLEAN LA
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