|The Los Angeles area is divided into three main watersheds.
The Los Angeles River, which drains runoff from the north side of the Santa Monica
Mountains including the San Fernando Valley, Glendale, Downtown
LA area, and most of the adjacent cities along the Long Beach
Freeway corridor. This entire watershed discharges into the San
The Ballona Creek watershed covers the south side of the Santa Monica Mountain
range including West LA, Santa Monica, Culver City, Inglewood,
and every beach city facing the Santa Monica Bay (i.e. Manhattan
Beach, Redondo Beach) up to Point Fermin.
The Dominquez Channel watershed covers most of the South Bay area.