Major Flood
15 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
10 ft
What Floods at Each Level
15 ft
Major flood, widespread residential and agricultural flooding in the flats. Numerous road closures all along the river. Widespread residential and commercial flooding in Carthage and Castorland.
14 ft
Moderate flood, flooding threatens residential, agriculture, and livestock in the flats. Numerous road closures along the river. Some residential flooding in portions of Carthage and Castorland.
12 ft
Flood stage, widespread farmland flooding in the flats. Several roads may be closed in Glenfield, Martinsburg, and Lowville.
10 ft
Minor agricultural lowland flooding in the flats. East Martinsburg Road may be flooded.
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 8, 1998 | 16.39 ft | — |
| Apr 15, 2014 | 15.69 ft | — |
| Apr 11, 1993 | 14.99 ft | — |
About This Gauge
Get Flood Alerts for Black 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 Black River below Dadville?
The Black River below Dadville gauge is maintained by USGS (site 04256059) 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 Black River below Dadville?
The NWS-defined flood stage for Black River below Dadville is 12 feet. Action stage begins at 10 feet. Moderate flooding starts at 14 feet, and major flooding at 15 feet.
How do I get alerts when Black River rises?
Download StormCast free on Google Play, go to River Gauges, and add Black River below Dadville 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 Black River below Dadville gauge located?
The gauge is located in Lewis County, New York at coordinates 43.8225°N, 75.4639°W. USGS site number: 04256059. Data is provided by the U.S. Geological Survey and the National Weather Service.
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Source & Notes
Data provided by: Lewis County NY
- Stage may be affected by ice during winter months.