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Ocean Water Quality Rain Advisory



A rain advisory is issued when there is significant rainfall that may cause bacteria levels in ocean waters to increase. Bacteria levels can increase significantly during and after rainstorms, as contaminants within the runoff enters the ocean. Bacteria levels may remain elevated up to 3 days depending upon the intensity of the rain and the volume of runoff. Elevated bacteria levels in ocean water may cause illness, especially in children and the elderly. The Department of Public Health recommends that beach users avoid contact with ocean water for a period of 3 days after significant rainfall, especially near flowing storm drains, creeks and rivers.

An Ocean Water Quality Rain Advisory has been declared for all Los Angeles County beaches. The advisory will be in effect at least until 7:00 am, Saturday, December 7, 2019. Beach users are cautioned to avoid water contact for at least 72 hours after significant rainfall. This advisory may be extended depending upon further rainfall.

Use the map below to obtain the current water quality status of your favorite beach location. Use your mouse wheel to zoom into a particular location. Click on the marker to identify the sampling location.



Los Angeles county beaches are under advisory after the rainfall starting Nov. 27, 2019



This map is updated as conditions change. The
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