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Beach, Pool, and Other Recreational Water Closures

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Most of San Mateo County's recreational waters are open for use. Water samples from the natural recreational waters (beaches, lagoons, creeks, and lakes) of San Mateo County are examined each week for the presence indicator bacteria. Concentration of these bacteria are used to determine if the water is safe for water contact activities (swimming, wading, and surfing). When they exceed State and/or County standards the area is posted to warn potential users that they may become ill if they engage in water contact activities in the posted area. Symptoms associated with swimming in areas with high levels of indicator bacteria include nausea, vomiting, fever, skin rashes, and diarrhea. These waters are also posted anytime they are contaminated by known sewage spills. Signs are removed when waters no longer have high levels of indicator bacteria. San Mateo County's Beach/Creek Posting Hotline announcement can be heard at (650) 599-1266.    Ocean Beaches: The following beaches have elevated levels of indicator bacteria and are posted: None posted. For more information regarding beach water quality and maps visit earth911.org.    Other:      The following Creeks,Lakes, Lagoons, Bay Beaches, Ditches, and/or Storm Drains have elevated levels of indicator bacteria and have been posted: Creeks (where they meet or cross the beach).    South Roosevelt Ditch. Bean Hollow Creek. Bay Beaches None posted.  For more information regarding beach water quality and maps visit earth911.org.    Swimming Pools: School, hotel, apartment, condominium, and home owner association swimming pools are considered public and are inspected by Environmental Health.     Signs closing these waters to recreational use have been posted and will remain until health and safety issues have been addressed. This list will be updated every Thursday. updated 05/07/08