StormCast — Weather & Emergency Alerts

Carson River at Lahontan Reservoir
Nevada — Water Level & Flood Stage

Located in Churchill County, Nevada on the Carson River. Live water level data from USGS gauge 10312100, 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

4168 ft

329,000 cfs

Moderate Flood

4164 ft

323,500 cfs

Minor Flood

4163 ft

309,500 cfs

Action Stage

4161.5 ft

Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.

What Floods at Each Level

4164.5 ft

Major flooding, 333 Kaf. Record stage, 6/16/1942, 4164.43'. 328.6 Kaf. Major flooding of campgrounds and low-lying structures around lake.

4164.2 ft

Moderate flooding of campgrounds and low-lying structures around lake. Elevation reach May 21-23, 1996. 327.4 Kaf.

4164 ft

Moderate flooding of campgrounds and other low-lying structures around lake. 323.5 Kaf. Nearly reached on May 25-26, 1997.

4163.7 ft

Minor to moderate flooding of campgrounds and some structures around lake. Elevation of top of flashboards, if installed; 313Kaf.

4163.5 ft

Minor flooding of campgrounds and low lying areas around the lake. Storage on July 25, 1995: 316.3 Kaf.

4163 ft

Flood Stage: 309.5 Kaf. Campgrounds near lake begin to flood.

4162 ft

Spillway crest, maximum capacity of reservoir without flashboards installed. 296Kaf. Water approaching Eureka Street in Silver Springs.

4070 ft

Record minimum storage since Lahontan Reservoir was completed; September 9/7 1929, 91 acre feet.

Impact statements from the National Weather Service, describing what typically happens at each water level.

7-Day Water Level Chart

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About This Gauge

USGS Site

10312100

NWS LID

LHDN2

River

Carson River

County

Churchill, NV

Coordinates

39.4625°N, 119.0667°W

Get Flood Alerts for Carson 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.

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Frequently Asked Questions

What is the current water level of Carson River at Lahontan Reservoir?

The Carson River at Lahontan Reservoir gauge is maintained by USGS (site 10312100) 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 Carson River at Lahontan Reservoir?

The NWS-defined flood stage for Carson River at Lahontan Reservoir is 4163 feet. Action stage begins at 4161.5 feet. Moderate flooding starts at 4164 feet, and major flooding at 4168 feet.

How do I get alerts when Carson River rises?

Download StormCast free on Google Play, go to River Gauges, and add Carson River at Lahontan Reservoir 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 Carson River at Lahontan Reservoir gauge located?

The gauge is located in Churchill County, Nevada at coordinates 39.4625°N, 119.0667°W. USGS site number: 10312100. 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