American River at Tiscornia Beach
Unsafe
Recent sample exceeded bacteria thresholds.
Last sampled: Jun 10, 2025 (330 days ago)
0.22 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) 0.22 in
Bacteria Readings
| Indicator | Latest | 30-day geomean | EPA limit |
|---|---|---|---|
| E. coli | 980 MPN/100mL | — | ≤235 |
Nearby Swim Spots
Data from: California Safe-to-Swim (ODbL 1.0), Open-Meteo — Precipitation (CC-BY 4.0)