Ashuelot River above West Swanzey
New Hampshire — Water Level & Flood Stage
Located in Cheshire County, New Hampshire on the Ashuelot River. Live water level data from USGS gauge 01160350, updated every 15 minutes.
Current Water Level
Gage Height
Loading...
Streamflow
Loading...
Last Reading
Loading...
Flood Stages
Major Flood
14 ft
Moderate Flood
12 ft
Minor Flood
11 ft
Action Stage
10 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
12 ft
In Winchester, water up to the base of buildings with basements inundated. Water surrounds Dillant Hopkins Airport on the west side in the North Swanzey dependant on backwater from the South Branch.
7 ft
Backwater along the South Branch can cause flooding along Carlton Road leading to the covered bridge.
5.5 ft
The river inundates lower lying areas near the river in swanzey.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
Loading chart data...
Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Jul 19, 2021 | 12.89 ft | 5,730 cfs |
| Jul 19, 2021 | 12.89 ft | 5,730 cfs |
| Jul 17, 2023 | 10.67 ft | 3,540 cfs |
| Jul 17, 2023 | 10.67 ft | 3,540 cfs |
| Mar 11, 2024 | 9.77 ft | 2,700 cfs |
About This Gauge
USGS Site
NWS LID
SWAN3
River
Ashuelot River
County
Cheshire, NH
Coordinates
42.8715°N, 72.3281°W
Get Flood Alerts for Ashuelot 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 Ashuelot River above West Swanzey?
The Ashuelot River above West Swanzey gauge is maintained by USGS (site 01160350) 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 Ashuelot River above West Swanzey?
The NWS-defined flood stage for Ashuelot River above West Swanzey is 11 feet. Action stage begins at 10 feet. Moderate flooding starts at 12 feet, and major flooding at 14 feet.
How do I get alerts when Ashuelot River rises?
Download StormCast free on Google Play, go to River Gauges, and add Ashuelot River above West Swanzey 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 Ashuelot River above West Swanzey gauge located?
The gauge is located in Cheshire County, New Hampshire at coordinates 42.8715°N, 72.3281°W. USGS site number: 01160350. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Ashuelot River
More Resources
Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey