Major Flood
12 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
11 ft
Minor Flood
10 ft
Action Stage
8 ft
What Floods at Each Level
12 ft
Major flood, widespread flooding of commercial, industrial, and residential areas throughout the Black River Valley.
11 ft
Moderate flood, widespread farmland flooding and road closures all along the river. Some residential flooding in portions of Carthage and Castorland.
10 ft
Flood stage, widespread farmland flooding in the Flats area. Several roads may be closed in Glenfield, Martinsburg, and Lowville.
8 ft
Action stage, minor agricultural lowland flooding begins downstream in the Flats area. East Martinsburg Road may be closed.
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 |
|---|---|---|
| Mar 27, 1913 | 12.5 ft | 12,400 cfs |
| Dec 29, 1984 | 11.41 ft | 12,800 cfs |
| Apr 17, 1982 | 11.31 ft | 12,800 cfs |
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 at Boonville?
The Black River at Boonville gauge is maintained by USGS (site 04252500) 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 at Boonville?
The NWS-defined flood stage for Black River at Boonville is 10 feet. Action stage begins at 8 feet. Moderate flooding starts at 11 feet, and major flooding at 12 feet.
How do I get alerts when Black River rises?
Download StormCast free on Google Play, go to River Gauges, and add Black River at Boonville 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 at Boonville gauge located?
The gauge is located in Oneida County, New York at coordinates 43.5117°N, 75.3067°W. USGS site number: 04252500. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Black River
On This River
Downstream: Black River at Watertown
More Resources
Source & Notes
Data provided by: Observation courtesy of the US Geological Survey
- Impact statements listed below may not be representative during times of ice jam flooding.
- Gauge reading may be affected by ice. Forecast flows are unadjusted for ice.