Hermosa Beach, CA
Hermosa Beach - 26th St
Slightly elevated
Predicted to be below the EPA swimming threshold today.EPA swimming thresholdThe EPA's safe-swimming limit for ocean water is 104 MPN/100mL — the most probable number of bacteria per 100 milliliters. Readings above this are classified as an exceedance, meaning bacteria levels are unsafe for swimming.
31%exceedance probabilityExceedance probabilityBacteria levels may be slightly elevated. There's a 31% chance the water has an unsafe amount of bacteria, though most samples in this range still test below the EPA threshold.
7-Day Window
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