Major Flood
21 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
14 ft
Minor Flood
12 ft
Action Stage
9 ft
What Floods at Each Level
21 ft
Major flood, widespread flooding of commercial and residential areas in and around Salamanca. Protective dikes topped at 21 to 22 feet. Dikes located on left bank 0.1 mile upstream to 0.3 mile downstream, and on right bank from 0.1 mile upstream to 0.7 mile downstream and 1.6 to 2.1 miles downstream.
14 ft
Moderate flood, moderate flooding along entire reach in areas unprotected by dikes. More widespread flooding upstream.
12 ft
Flood stage, minor flooding along entire reach in areas unprotected by dikes.
9 ft
Action stage, banks subject to some local overflow 1 to 2 miles upstream. Little or no damage.
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 |
|---|---|---|
| Jun 22, 1972 | 24.01 ft | 73,000 cfs |
| Jan 18, 1996 | 16.41 ft | 39,600 cfs |
| Sep 25, 1967 | 16.24 ft | 41,700 cfs |
About This Gauge
USGS Site
NWS LID
SLMN6
River
Allegheny River
County
Cattaraugus, NY
Coordinates
42.1564°N, 78.7156°W
Get Flood Alerts for Allegheny 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 Allegheny River at Salamanca?
The Allegheny River at Salamanca gauge is maintained by USGS (site 03011020) 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 Allegheny River at Salamanca?
The NWS-defined flood stage for Allegheny River at Salamanca is 12 feet. Action stage begins at 9 feet. Moderate flooding starts at 14 feet, and major flooding at 21 feet.
How do I get alerts when Allegheny River rises?
Download StormCast free on Google Play, go to River Gauges, and add Allegheny River at Salamanca 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 Allegheny River at Salamanca gauge located?
The gauge is located in Cattaraugus County, New York at coordinates 42.1564°N, 78.7156°W. USGS site number: 03011020. 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
- Impact statements listed below may not be representative during times of ice jam flooding.
- Stage may be affected by ice during winter months.