Keller Beach
east bay Safe
Recent samples within safe ranges.
Last sampled: Apr 27, 2026 (9 days ago)
0.30 in of rain in the last 72 hours may have changed water quality since the last sample was taken.
Map
Recent Rainfall
48h rain (advisory ≥ 1.00 in) 0.00 in
72h rain (advisory ≥ 0.50 in) 0.30 in
Bacteria Readings
| Indicator | Latest | 30-day geomean | EPA limit |
|---|---|---|---|
| E. coli | 9 MPN/100mL | — | ≤235 |
90-Day Enterococcus History
Showing the indicator with the most recent readings; agencies sometimes switch which one they report.
No enterococcus readings in the last 90 days
Nearby Swim Spots
Data from: East Bay Regional Park District Lakes (Public Domain), Open-Meteo — Precipitation (CC-BY 4.0)