The San Diego County Department of Environmental Health warned residents and visitors Monday to avoid water contact at all coastal beaches and bays due to the recent rainfall.
The rain brings urban runoff, which can cause bacteria levels to rise significantly in ocean and bay waters, especially near storm drains, creeks, rivers, and lagoon outlets. Urban runoff may contain large amounts of bacteria from a variety of sources such as animal waste, soil and decomposing vegetation.
Water contact such as swimming, surfing and diving should be avoided during rain and for 72 hours afterward.
In addition, a full beach closure remains in effect for the ocean shoreline of Tijuana Slough National Wildlife Refuge and Border Field State Park due to sewage-contaminated flows from the Tijuana River.
All beaches from the south end of Seacoast Drive in Imperial Beach to the International Border are closed.
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