Major Flood
8.4 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
7.9 ft
Minor Flood
7.3 ft
Action Stage
6.8 ft
What Floods at Each Level
8.4 ft
Major flooding in the West Walker Canyon and Antelope Valley including Walker, Coleville, and Topaz. Many buildings impacted, and roads flooded or washed out. Major damage to agricultural lands. Extensive sandbagging required to protect property. Transportation affected, with severe damage road damage possible.
7.9 ft
Moderate flooding of lowlands, agricultural lands, yards, basements, and rural roads in the West Walker River Canyon and in Antelope Valley including Walker, Colevile, and Topaz California. Flooding of structures limited although some sandbagging necessary. Roughly similar to the June 2017 peak.
7.3 ft
Flood Stage, Minor flooding of lowlands, pastrures and rural roads in Antelope Valley. Roughly similar to June 2019 and October 2021 crests.
6.8 ft
Monitor Stage, No flooding in Antelope Valley
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Jan 1, 1997 | 10.23 ft | 12,500 cfs |
| Dec 10, 1937 | 8.92 ft | 6,500 cfs |
| Jul 8, 1995 | 7.97 ft | 4,420 cfs |
About This Gauge
USGS Site
NWS LID
CLEC1
River
West Walker River
County
Mono, CA
Coordinates
38.5132°N, 119.4499°W
Get Flood Alerts for West Walker River
StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.
Frequently Asked Questions
What is the current water level of West Walker River near Coleville (Lower Gage)?
The West Walker River near Coleville (Lower Gage) gauge is maintained by USGS (site 10296500) and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for West Walker River near Coleville (Lower Gage)?
The NWS-defined flood stage for West Walker River near Coleville (Lower Gage) is 7.3 feet. Action stage begins at 6.8 feet. Moderate flooding starts at 7.9 feet, and major flooding at 8.4 feet.
How do I get alerts when West Walker River rises?
Download StormCast free on Google Play, go to River Gauges, and add West Walker River near Coleville (Lower Gage) to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category.
Where is the West Walker River near Coleville (Lower Gage) gauge located?
The gauge is located in Mono County, California at coordinates 38.5132°N, 119.4499°W. USGS site number: 10296500. Data is provided by the U.S. Geological Survey and the National Weather Service.
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Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey
- 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.