Each dot is one sample taken by the monitoring agency. The dashed brick line marks the EPA single-sample limit.
SafeCautionUnsafe
Common questions.
Is Station O310 (Pleasure Point, California) safe to swim today?
+
Station O310 (Pleasure Point, California) is currently safe for swimming. Recent samples within safe ranges.
When was Station O310 (Pleasure Point, California) last tested?
+
The most recent water-quality sample at Station O310 (Pleasure Point, California) was collected on Jul 29, 2026 (9 days ago). California monitoring agencies test Bay Area beaches weekly during swim season (roughly May through October).
What is the bacteria level at Station O310 (Pleasure Point, California)?
+
The latest reading at Station O310 (Pleasure Point, California) shows 30-day enterococcus geomean at 10 MPN/100mL (EPA geomean limit: 35); enterococcus at 10 MPN/100mL (EPA single-sample limit: 104); and E. coli at 10 MPN/100mL (EPA single-sample limit: 235).
Does rain affect water quality at Station O310 (Pleasure Point, California)?
+
Yes. Heavy rainfall washes bacteria and pollutants from land into the water, raising contamination risk for 24–72 hours. The past 48 hours recorded 0.00 in of rain; the past 72 hours recorded 0.00 in. Our advisory threshold is ≥1.00 in over 48h (or ≥0.50 in over 72h) for enclosed or storm-drain beaches.
Where is Station O310 (Pleasure Point, California) located?
+
Station O310 (Pleasure Point, California) is located in the Bay Area area of the San Francisco Bay region (coordinates: 36.9598°N, 121.9651°W). You can get turn-by-turn directions via Google Maps or Apple Maps directly from this page.
How is the water quality data for Station O310 (Pleasure Point, California) collected?
+
Bacteria samples are collected by California state and county health agencies under the AB 411 Safe-to-Swim program and reported to the state's Safe-to-Swim database (data.ca.gov). Rainfall figures come from Open-Meteo forecast and archive data. Bay Area Swim aggregates both sources and updates every morning.