Post-Rain Hazards at Southern California Beaches
• Los Angeles County Public Health Department advises against ocean water contact due to post-rain contamination.
• Runoff from streets and mountains introduces bacteria, chemicals, and trash into beach waters.
• The advisory is in effect until April 22, 2026, and beachgoers should avoid swimming near storm drains and rivers.
Health advisory after rainfall until April 22, 2026
The Los Angeles County Public Health Department has issued an advisory cautioning beachgoers against entering ocean and bay waters after recent rainfall, effective until April 22, 2026.
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