Major Flood
29 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
25 ft
Minor Flood
19 ft
Action Stage
17 ft
What Floods at Each Level
29 ft
Major flood, widespread residential, commercial, and agricultural flooding. Heavy damages. Road closures. Possible evacuations.
25 ft
Moderate flood, widespread flooding to agricultural land. Some residential flooding and damages begin. Possible road closures.
19 ft
Flood stage, river begins to overflow into agricultural lands from Belfast to Letchworth. Little damage to structures.
17 ft
Action stage, high flows. No flooding.
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 | 35.25 ft | 90,000 cfs |
| Jan 19, 1996 | 29.12 ft | 56,200 cfs |
| Jul 5, 1902 | 29.12 ft | 50,000 cfs |
About This Gauge
Get Flood Alerts for Genesee 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 Genesee River at Portageville?
The Genesee River at Portageville gauge is maintained by USGS (site 04223000) 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 Genesee River at Portageville?
The NWS-defined flood stage for Genesee River at Portageville is 19 feet. Action stage begins at 17 feet. Moderate flooding starts at 25 feet, and major flooding at 29 feet.
How do I get alerts when Genesee River rises?
Download StormCast free on Google Play, go to River Gauges, and add Genesee River at Portageville 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 Genesee River at Portageville gauge located?
The gauge is located in Wyoming County, New York at coordinates 42.5702°N, 78.0420°W. USGS site number: 04223000. Data is provided by the U.S. Geological Survey and the National Weather Service.
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Source & Notes
Data provided by: 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.