Van Duzen River near Bridgeville, CA
River level and flood forecast · Humboldt County
The river is 17.4 ft below flood stage (17 ft).
Forecast to hold near -0.4 ft through Sat, Oct 17, 5 AM.
Flow: 5 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 7:30 AM. Forecasts change as rain falls and as upstream water arrives.
Get flood alerts for this river
An email when the National Weather Service forecasts Van Duzen River near Bridgeville to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 23 ft |
| Moderate flood stage | 20 ft |
| Flood stage | 17 ft |
| Action stage | 13 ft |
| Record crest (December 22, 1964) | 24 ft |
What floods at each level
From the National Weather Service, highest first.
- 25 ftExtensive, severe, record flooding from Bridgeville downstream to the mouth including portions of US Highway 101. All persons near the river should be prepared to take appropriate actions to protect life and property.
- 24 ftExtensive, severe, near record flooding from Bridgeville downstream to the mouth including portions of US Highway 101. All persons near the river should be prepared to take appropriate actions to protect life and property.
- 23 ftExtensive, severe flooding with closure of Highway 36 east of Carlotta to near the Grizzly Creek Bridge. River Bar Road in the Starvation Flats area will be impassable.
- 21 ftFlooding of Highway 36 east of Carlotta and near the Grizzly Creek Bridge with water over the road in numerous locations. Portions of River Bar Road in Starvation Flats will likely be impassable. Water level in Grizzly Creek State Park will approach Highway 36.
- 20 ftFlooding of Highway 36, especially east of Carlotta and near Grizzly Creek State Park. Portions of River Bar Road in the Starvation Flats area are likely to be impassable. In the State Park water may reach near the office.
- 19 ftFlooding of Highway 36 near Grizzly Creek State Park and along River Bar Road in the Starvation flats area. Water level at the State Park reaches the parking lot.
- 18 ftMinor flooding of Highway 36 near Grizzly Creek State Park and in lower portions of the State Park itself. Moderate flooding of River Bar Road in the Starvation Flats area.
- 17 ftFlooding begins in lower portions of Grizzly Creek State Park and along River Bar Road.
Highest crests on record
- 24 ft — December 22, 1964
- 23 ft — December 22, 1955
- 20.34 ft — January 16, 1974
- 20.22 ft — March 30, 1974
- 20.06 ft — December 21, 1969
Recent crests: 14.99 ft (December 21, 2025) · 15.27 ft (November 22, 2024) · 12.2 ft (January 13, 2024) · 13.66 ft (March 14, 2023) · 11.92 ft (December 30, 2022)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (BRGC1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.