Housatonic River at Lake Lillinonah
Connecticut — Water Level & Flood Stage
Located in New Haven County, Connecticut on the Housatonic 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: LLIC3). Live data may be limited. View on NWS AHPS →
Flood Stages
Action Stage
200 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
7-Day Water Level Chart
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About This Gauge
NWS LID
LLIC3
River
Housatonic River
County
New Haven, CT
Coordinates
41.4478°N, 73.2978°W
Get Flood Alerts for Housatonic 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 Housatonic River at Lake Lillinonah?
The Housatonic River at Lake Lillinonah 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 Housatonic River at Lake Lillinonah?
This gauge has NWS-defined flood categories. Check the flood stages section above for current thresholds.
How do I get alerts when Housatonic River rises?
Download StormCast free on Google Play, go to River Gauges, and add Housatonic River at Lake Lillinonah 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 Housatonic River at Lake Lillinonah gauge located?
The gauge is located in New Haven County, Connecticut at coordinates 41.4478°N, 73.2978°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
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Source & Notes
Data provided by: First Light Power
- Stage may be affected by ice.