Willimantic River at Coventry
Connecticut — Water Level & Flood Stage
Located in Tolland County, Connecticut on the Willimantic River. Live water level data from USGS gauge 01119500, updated every 15 minutes.
Current Water Level
Gage Height
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Streamflow
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Last Reading
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Flood Stages
Major Flood
14 ft
Moderate Flood
11 ft
Minor Flood
8 ft
Action Stage
7 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
14.5 ft
Numerous roads are impacted in Coventry and Mansfield. This includes the following, Thornbush Road, Route 275, Depot Road, Cider Mill and Flanders River Roads, and Route 44 near the Mansfield/Coventry town line.
13.5 ft
Floodwaters reaach base of Merrow Road Bridge.
10.5 ft
Floodwaters inundate meadow Merrow Park near bridge.
8 ft
Floodwaters reach the lowest lying sections of Thornbush and Flanders River Roads in Mansfield and Coventry.
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 |
|---|---|---|
| Aug 18, 1955 | 18.66 ft | 242,005 cfs |
| Aug 18, 1955 | 18.66 ft | 242,005 cfs |
| Sep 20, 1938 | 18.08 ft | 15,500 cfs |
| Sep 20, 1938 | 18.08 ft | 15,500 cfs |
| Oct 14, 2005 | 14.81 ft | — |
About This Gauge
USGS Site
NWS LID
CVTC3
River
Willimantic River
County
Tolland, CT
Coordinates
41.7507°N, 72.2656°W
Get Flood Alerts for Willimantic 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 Willimantic River at Coventry?
The Willimantic River at Coventry gauge is maintained by USGS (site 01119500) 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 Willimantic River at Coventry?
The NWS-defined flood stage for Willimantic River at Coventry is 8 feet. Action stage begins at 7 feet. Moderate flooding starts at 11 feet, and major flooding at 14 feet.
How do I get alerts when Willimantic River rises?
Download StormCast free on Google Play, go to River Gauges, and add Willimantic River at Coventry 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 Willimantic River at Coventry gauge located?
The gauge is located in Tolland County, Connecticut at coordinates 41.7507°N, 72.2656°W. USGS site number: 01119500. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Resources
Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey
- Stage may be affected by ice.