San Lorenzo C above Don Castro Reservoir near Castro V CA
Is San Lorenzo C above Don Castro Reservoir near Castro V CA flooding right now?
San Lorenzo C above Don Castro Reservoir near Castro V CA measured 4.97 ft on 2026-09-11 01:20:00 UTC. No NWS minor flood stage is published for this gauge.
Gauge height
4.97 ft
Streamflow
—
The highest crest on record was 9.5 ft on Mon, Jan 24, 1983.
Highest crests on record
| Stage | Date |
|---|---|
| 9.5 ft | 1983-01-24 |
| 8.73 ft | 1993-01-13 |
| 8.7 ft | 1982-01-04 |
| 8.33 ft | 1986-02-18 |
Nearby gauges
| Gauge | Distance | County |
|---|---|---|
| Crow C near Hayward CA | 0.7 mi | Alameda County |
| San Lorenzo C a Hayward CA | 1.3 mi | Alameda County |
| Cull C above Cull C Reservoir near Castro Valley CA | 1.6 mi | Alameda County |
| Castro Valley C a Hayward CA | 2.2 mi | Alameda County |
| San Lorenzo C a San Lorenzo CA | 5.2 mi | Alameda County |
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Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.