About Us

About Watersheds

About Watersheds

Los Angeles has four primary watersheds, including the Los Angeles River, Santa Monica Bay, Ballona Creek and Dominguez Channel.

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A Master Plan

The Water Quality Compliance Master Plan is a 20-year strategy for reducing pollution in LA’s local rivers, creeks, lakes and beaches.

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History

History

In the early 20th century, a booming population, the channeling of local rivers and creeks and the development of once rural areas created the water quality challenges LA faces today. 

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Ordinance

In 1998 the City of Los Angeles passed a stormwater ordinance (L.A.M.C. 64.70), which prohibits the entry of illicit discharges into the municipal storm drain system.

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