Big Rock C near Valyermo CA

Los Angeles County, California · USGS gauge 10263500 · NWS BRQC1 · California river levels

Is Big Rock C near Valyermo CA flooding right now?

Big Rock C near Valyermo CA measured 2.41 ft on 2026-10-27 17:15:00 UTC. No NWS minor flood stage is published for this gauge.

Gauge height

2.41 ft

as of 45 min ago

Streamflow

7 cfs

data refreshed 14 min ago

The highest crest on record was 9.42 ft on Wed, Mar 2, 1938.

Streamflow outlook

NOAA National Water Model forecast, issued 12 hours ago. The NWM models discharge for every river reach in the country, including the many gauges the National Weather Service does not forecast individually. It is a model, not an official NWS river forecast, and it predicts flow rather than water level.

No National Weather Service flood stage is published for this gauge, so no flood category can be shown — why some gauges have no flood stage.

Highest crests on record

Stage	Date
9.42 ft	1938-03-02

Nearby gauges

Gauge	Distance	County
Little Rock below Santiago Cyn C near Littlerock CA	10.8 mi	Los Angeles County
Cucamonga C near Upland CA	20.8 mi	San Bernardino County
San Gabriel River below Santa Fe Dam near Baldwin Pk CA	22.5 mi	Los Angeles County
Arroyo Seco near Pasadena CA	23.6 mi	Los Angeles County
Cajon C below Lone Pine C near Keenbrook CA	23.8 mi	San Bernardino County

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.

Sources: USGS monitoring location · NWS gauge & forecast