Susquehanna River at Sidney
New York — Water Level & Flood Stage
Located in Delaware County, New York on the Susquehanna River. Live water level data from USGS, updated every 15 minutes.
Current Water Level
Gage Height
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Streamflow
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Last Reading
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This is an NWS forecast point (LID: SIDN6). Live data may be limited. View on NWS AHPS →
Flood Stages
Major Flood
983.7 ft
Moderate Flood
981.5 ft
Minor Flood
979.5 ft
Action Stage
975.5 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
988.3 ft
This is the June 28, 2006 flood of record. Flooding is widespread and severe throughout much of the low lying areas in town. The East-West Main Street intersection and the Press Building are flooded.
987 ft
This is the flood stage of September 2011. The Town Water Treatment building begins to flood and flooding encroaches on the Press Building and the East-West Main Street intersection.
985.9 ft
Central Fire Station begins to take on water. Clinton Street, Grand Street and Avery Street flood.
985.3 ft
Liberty Street and Pleasant Street are flooded.
985 ft
The Waste Water Treatment plant is impacted by flood waters. Sherman Avenue, Bridge Street, Willow Street and Cross Street flood.
984.6 ft
Amphenol begins to flood at this stage.
983.7 ft
Major flooding develops with flood waters reaching the American Legion Adams, Gilbert, Weir and Union Streets.
982 ft
Flooding increases to all of River, Walnut, Camp, and Winegard streets along with Maple and Oak avenues.
981.5 ft
Moderate flood stage. Water is 2 to 3 feet deep on Willow Street Extension. The NYSEG substation and Frontier telephone buildings flood.
980.8 ft
Street level to first floor flooding occurs on Railroad Avenue, Colgrove Street and the lower portions of River Street in Sidney.
979.5 ft
Minor flooding begins to impact the ball fields and trails at Keith Clark Park, and buildings on Willow Street Extension in Sidney.
978.5 ft
Water reaches the bridge deck at Keith Clark Park.
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 27, 2006 | 988.3 ft | — |
| Jun 27, 2006 | 988.3 ft | — |
| Sep 8, 2011 | 987.36 ft | — |
| Sep 8, 2011 | 987.36 ft | — |
| Dec 19, 2023 | 980.23 ft | — |
About This Gauge
NWS LID
SIDN6
River
Susquehanna River
County
Delaware, NY
Coordinates
42.3150°N, 75.4119°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 Sidney?
The Susquehanna River at Sidney gauge is maintained by USGS 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 Sidney?
The NWS-defined flood stage for Susquehanna River at Sidney is 979.5 feet. Action stage begins at 975.5 feet. Moderate flooding starts at 981.5 feet, and major flooding at 983.7 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 Sidney to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category — even when your screen is off.
Where is the Susquehanna River at Sidney gauge located?
The gauge is located in Delaware County, New York at coordinates 42.3150°N, 75.4119°W. Data is provided by the U.S. Geological Survey and the National Weather Service.