Welcome to the State Water Resources Control Board - Los Angeles Welcome to the California Environmental Protection Agency
LA County MS4 Permit - Time Schedule Orders (TSOs)

LA County MS4 Permit - Time Schedule Orders (TSOs)

Inner Cabrillo Beach and Los Angeles Harbor

Time Schedule Order to comply with bacteria requirements

Implementation Documents

Marina del Rey Harbor Back Basins and Marina Beach

Time Schedule Order to comply with bacteria requirements

Implementation Documents

Ballona Creek Watershed

Time Schedule Order to comply with bacteria requirements

Implementation Documents