Is the Mattole River flooding?

California · 2 gauges · California river levels

The Mattole River is tracked by 2 USGS streamgauges in California. This page compares each gauge’s live water level against its official National Weather Service flood stage, refreshed every 15 minutes, so you can tell whether the Mattole River is running normal, rising toward flood stage, or already flooding. 0 of 2 gauges have both a usable water-level reading and a published minor flood stage. Gauges without a published flood stage show water level and flow only. For nearby rivers, see all California river levels.

data refreshed 11 min ago

Readings may be delayed; check each observation time below. This gauge summary does not rule out flooding on unmonitored stretches or nearby streets.

River facts

The longest-running gauge on this river is Mattole River near Petrolia CA. The highest level ever recorded there was 29.60 ft on 22 December 1955, carrying 90,400 cfs. Peak records there go back to 1912 (77 annual peaks). It is currently at 11.19 ft, 18.4 ft below that record.

Drains 245 sq mi · gauge elevation 50 ft · source: USGS peak-flow record

Gauge	Status	Stage	Flood stage	Updated
Mattole River near Ettersburg CA	No flood stage defined	8.39 ft	—	89 min ago
Mattole River near Petrolia CA	No flood stage defined	11.19 ft	—	59 min ago

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.