Major Flood
14.5 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
13 ft
Minor Flood
11 ft
Action Stage
9 ft
What Floods at Each Level
17.7 ft
This was the record flood of June 2006. Deep flooding was widespread and severe throughout Unadilla.
17.5 ft
Main Street in Sidney is flooded up to Smith Street.
17 ft
The water treatment building and the Press building in Sidney are inundated.
16.3 ft
Widespread severe flooding occurred during the September 2011 flood.
16 ft
Severe flooding occurs throughout most of the Village of Unadilla as water spreads toward Railroad Street. Route 7 flooded in many areas. Clinton St., Grand St., and Avery St., along with the fire station in Sidney are flooded.
15 ft
Sherman Ave., Bridge St., Willow St., and Cross Street in Sidney are flooded. Amphenol and the Waste Water Treatment Plant in Sidney are flooded.
14.5 ft
Major flood stage. Several locations in Unadilla on the south side of Main Street are flooded. Water crosses Route 7 near Hopkins Street and floods homes to the north. Adams, Gilbert, Weir, Union Streets and the American Legion in Sidney are flooded.
13 ft
Moderate flood stage. Basement flooding and some first floor dwellings between Main Street and River Road are affected by flooding. This includes properties on Hopkins, Church, Dart and Mill Street.
11 ft
Minor flooding begins to impact fields and some properties in Unadilla between Main Street and River Road.
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 29, 2006 | 17.72 ft | 35,100 cfs |
| Mar 17, 1936 | 16.6 ft | 31,300 cfs |
| Sep 8, 2011 | 16.34 ft | 29,700 cfs |
Flood Inundation Map
NOAA has mapped what areas flood at different water levels for this gauge. View the interactive flood inundation map →
About This Gauge
USGS Site
NWS LID
UNDN6
River
Susquehanna River
County
Otsego, NY
Coordinates
42.3214°N, 75.3169°W
Get Flood Alerts for Susquehanna 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 Susquehanna River at Unadilla?
The Susquehanna River at Unadilla gauge is maintained by USGS (site 01500500) 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 Susquehanna River at Unadilla?
The NWS-defined flood stage for Susquehanna River at Unadilla is 11 feet. Action stage begins at 9 feet. Moderate flooding starts at 13 feet, and major flooding at 14.5 feet.
How do I get alerts when Susquehanna River rises?
Download StormCast free on Google Play, go to River Gauges, and add Susquehanna River at Unadilla 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 Susquehanna River at Unadilla gauge located?
The gauge is located in Otsego County, New York at coordinates 42.3214°N, 75.3169°W. USGS site number: 01500500. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Susquehanna River
On This River
Downstream: Susquehanna River at Sidney
More Resources
Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey
- Gauge reading may be affected by ice. Forecast flows are unadjusted for ice.