Humboldt River at Comus
Nevada — Water Level & Flood Stage
Located in Humboldt County, Nevada on the Humboldt River. Live water level data from USGS gauge 10327500, updated every 15 minutes.
Current Water Level
Gage Height
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Streamflow
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Last Reading
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Flood Stages
Major Flood
11.5 ft
10,892 cfs
Moderate Flood
10.5 ft
2,043.7 cfs
Minor Flood
9.5 ft
1,544.3 cfs
Action Stage
8.5 ft
1,281.1 cfs
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
12.5 ft
Near record to record flooding in Humboldt County. Most secondary roads near the river, bridges over some primary roads, long stretches of rail and many ranch buildings flood. The river is 2-5 miles wide through Humboldt County. Winnemucca is flooded between the UPRR on the west and Second Street on the east. The U.S. Highway 95 bridge in Winnemucca may be affected. Many homes and businesses flood in Winnemucca. Large losses of livestock in the area. Similar to the record flood of April 1984.
12 ft
Major flooding, including in Winnemucca. All secondary roads, stretches of rail and some ranch buildings near the river flood. The river is 2-4 miles wide through Humboldt county. Lower parts of Winnemucca flood between the UPPR and Golconda Street on the west and Second Street on the east, but not including Interstate 80. Approximately a dozen homes and several businesses are affected. Large losses of livestock in the area. Greater than the flood of 1952 but not as severe as the record flood of 1984.
11.5 ft
Major Flood Stage. Major flooding throughout the reach, except moderate flooding in lower portions of Winnemucca. Many rural roads near the river are flooded. Main area impacted is between the Union Pacific Railroad and Golconda Street on the west and Second Street on the east, but not including Interstate 80. Homes and basements begin to experience flooding. This would be similar to the floods of June 1983 and April 2017.
11 ft
Moderate to major lowland flooding throughout the reach. Many rural roads near the river are flooded. Minor to moderate flooding occurs in lower portions of Winnemucca. Main area impacted is between the Union Pacific Railroad and Golconda Street on the west and Second Street on the east, beneath Interstate 80. This would be similar to flooding in February 2017 and early June 2023.
10.5 ft
Moderate Flood Stage. Moderate lowland flooding throughout the reach, with some rural roads flooded. Minor flooding in the lower parts of Winnemucca with storm drain backups along First and Second Streets. Main area impacted is between the Union Pacific Railroad and Second street beneath Interstate 80. Property damage in Winnemucca is minimal.
10 ft
Minor to moderate lowland flooding throughout the reach. Some rural roads near the river begin to flood. Very minor flooding begins in Winnemucca with storm drain backups along First Street, and the lowest parts of town begin to flood.
9.5 ft
Minor Flood Stage. Minor lowland flooding throughout the reach. No flooding in Winnemucca.
9 ft
Very minor lowland flooding along the reach. No flooding in Winnemucca.
8.5 ft
Monitoring Stage. Some very minor flooding occurs at scattered locations along the reach. No flooding occurs in Winnemucca.
8 ft
No flooding in the reach.
7.5 ft
No flooding in the reach.
7 ft
No flooding in the reach.
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 |
|---|---|---|
| Apr 23, 1984 | 12.25 ft | 9,900 cfs |
| Apr 23, 1984 | 12.25 ft | 9,900 cfs |
| Apr 15, 2006 | 11.78 ft | 6,070 cfs |
| Apr 15, 2006 | 11.78 ft | 6,070 cfs |
| Jun 13, 1983 | 11.76 ft | 5,210 cfs |
About This Gauge
USGS Site
NWS LID
CMSN2
River
Humboldt River
County
Humboldt, NV
Coordinates
40.9922°N, 117.3167°W
Get Flood Alerts for Humboldt 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 Humboldt River at Comus?
The Humboldt River at Comus gauge is maintained by USGS (site 10327500) 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 Humboldt River at Comus?
The NWS-defined flood stage for Humboldt River at Comus is 9.5 feet. Action stage begins at 8.5 feet. Moderate flooding starts at 10.5 feet, and major flooding at 11.5 feet.
How do I get alerts when Humboldt River rises?
Download StormCast free on Google Play, go to River Gauges, and add Humboldt River at Comus to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category — even when your screen is off.
Where is the Humboldt River at Comus gauge located?
The gauge is located in Humboldt County, Nevada at coordinates 40.9922°N, 117.3167°W. USGS site number: 10327500. 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