Rivers in California

West Fork Carson River at Woodfords

Alpine County, CaliforniaNWS WOOC1USGS 10310000Reno office

Below flood stage
9.56ftStage

Observed Thu, Sep 24, 12:15 PM PDT

Flood stage
13.50 ft
Forecast crest
9.55 ftThu, Sep 24, 1:00 PM PDT
Record crest
15.36 ft1997

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood15.00 ft
Moderate flood14.50 ft
Minor flood13.50 ft
Action12.50 ft
  1. 15.50 ftDisastrous, record flooding along entire reach of West Fork Carson River in both Alpine County, California, and Douglas County, Nevada. Extensive damage to homes, businesses, schools, roads, bridges, and irrigation systems. Communications, power, and transportation systems severely disrupted. Many highways, roads, and bridges impassable. Roughly Similar peak level to January 1997 event.
  2. 15.00 ftMajor Flooding. Substantial damage to homes, businesses, schools, and property in south Carson Valley from Centerville to Genoa. Many local roads flood including Centerville, Mottsville, and Muller Lanes. Interruption of power, communications, and water systems. Major flooding also in Alpine County, California, near Woodfords and Paynesville. CA Highways 89 and 88, and NV Highway 88 flood. Downstream Hwy 395 floods.
  3. 14.50 ftModerate flooding in southwest Carson Valley between Centerville and Genoa, with some damage to homes and businesses. Many local roads flooded in this area. Minor to moderate flooding in Alpine County, California, near Woodfords and Paynesville. Lane or road closures on Highway 395 north of Stephanie Way likely if combined with flood flows on the East Fork. Similar peak level to December 2005 event.
  4. 14.00 ftMinor flooding in the southwestern Carson Valley between Centerville and Genoa,impacting agricultural areas, local roads, and outbuildings. Impacts will be more significant if heavy rain and/or snowmelt cause significant rises in small creeks draining the east side of the Carson Range below Woodfords. Possible lane closures on Highway 395 north of Stephanie Way if combined with flood flows on the East Fork. Similar peak level to January 2017 event and May 2017 peak snowmelt.
  5. 13.50 ftMinor flooding begins in lowest areas along the West Fork of the Carson River in southwest Carson Valley including agricultural areas, local roads and outbuildings. Residents along the river should prepare for more serious flooding if there are additional rises expected due to snowmelt and/or rainfall runoff. Impacts will be more significant if heavy rain and/or snowmelt causes significant rises in small creeks draining the east side of the Carson Range below Woodfords. Similar to peak of Feb 2017 event.
  6. 12.50 ftMonitoring Stage. No flooding occurs. However, residents along the West Fork Carson River should be prepared for flooding if there are additional rises expected due to snowmelt and/or rainfall runoff.

Flood outlook

Chance of flooding, September to November

CategoryChance
Minor floodingUnder 5%
Moderate floodingUnder 5%
Major floodingUnder 5%

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 24, 2026.

Crest history

41 crests on NOAA’s list since 1890.

#DateStage
1January 1, 199715.36 ft
2February 1, 196314.95 ft
3December 23, 195514.92 ft
4November 20, 195014.91 ft
5December 11, 193714.65 ft
6December 23, 196414.53 ft
7May 16, 199614.51 ft
8April 7, 201814.42 ft
9December 31, 200514.41 ft
10May 5, 201714.29 ft
11January 9, 201714.22 ft
12May 18, 200514.20 ft
13May 19, 202314.11 ft
14December 20, 198114.00 ft
15May 18, 195813.96 ft
16March 8, 198613.94 ft
17May 24, 196713.92 ft
18May 9, 190613.91 ft
19June 1, 199513.84 ft
20May 17, 190713.83 ft
21May 5, 194113.75 ft
22May 19, 197513.72 ft
23April 28, 194313.72 ft
24May 23, 191113.72 ft
25June 9, 189013.71 ft

Most recent crests

  • May 19, 2023: 14.11 ft
  • May 1, 2023: 13.63 ft
  • October 25, 2021: 13.63 ft
  • June 7, 2019: 13.59 ft
  • April 7, 2018: 14.42 ft
  • May 5, 2017: 14.29 ft
  • February 9, 2017: 13.70 ft
  • January 9, 2017: 14.22 ft
  • June 5, 2010: 13.44 ft
  • December 31, 2005: 14.41 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the California Nevada River Forecast Center. Forecasts are issued routinely year-round. Stage may be affected by ice during winter months. Reported historic crests have been estimated using recent ratings due to previous channel, location and/or datum changes. USGS observed crests can be found at: waterdata.usgs.gov/nwis/rt Please also see Additional Information tab at the bottom of this page.

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.