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Connecticut River Gauges

30 river gauges with NWS flood stage data in Connecticut. Live water levels from USGS, updated every 15 minutes. Get push alerts when rivers rise with StormCast.

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All Connecticut Gauges by River

Broad Brook

Broad Brook at Broad Brook Hartford County · Flood stage: 7 ft

Bunnell Brook

Bunnell Brook at Burlington Hartford County · Flood stage: 7 ft

Connecticut River

Connecticut River at Hartford Hartford County · Flood stage: 16 ft Connecticut River at Middle Haddam Middlesex County · Flood stage: 7 ft Connecticut River at Thompsonville Hartford County · Flood stage: 15 ft

Farmington River

Farmington River at Simsbury Hartford County · Flood stage: 12 ft Farmington River at Tariffville Hartford County · Flood stage: 9 ft Farmington River at Unionville Hartford County · Flood stage: 12 ft

Hockanum River

Hockanum River at East Hartford Hartford County · Flood stage: 9 ft

Housatonic River

Housatonic River at Falls Village Litchfield County · Flood stage: 7 ft Housatonic River at Gaylordsville Litchfield County · Flood stage: 8 ft Housatonic River at Lake Lillinonah New Haven County Housatonic River at Stevenson Fairfield County · Flood stage: 11 ft

Long Island Sound

Long Island Sound at New Haven (IN MLLW) New Haven County · Flood stage: 8.7 ft Long Island Sound at Stamford (IN MLLW) Fairfield County · Flood stage: 9.3 ft Long Island Sound near Bridgeport Harbor (IN MLLW) Fairfield County · Flood stage: 8.7 ft Long Island Sound near New London Harbor (IN MLLW) New London County · Flood stage: 5 ft

Mount Hope River

Mount Hope River at Warrenville Windham County · Flood stage: 7 ft

Naugatuck River

Naugatuck River at Beacon Falls New Haven County · Flood stage: 12 ft

North Branch Park River

North Branch Park River at Hartford Hartford County · Flood stage: 8 ft

Pomperaug River

Pomperaug River above Southbury New Haven County · Flood stage: 9 ft

Quinebaug River

Quinebaug River at Putnam Windham County · Flood stage: 9.5 ft Quinebaug River below Jewett City New London County · Flood stage: 17.5 ft

Quinnipiac River

Quinnipiac River above Wallingford New Haven County · Flood stage: 10 ft Quinnipiac River at Southington Hartford County · Flood stage: 8.5 ft

Rippowam River

Rippowam River at Stamford Fairfield County · Flood stage: 4 ft

Shetucket River

Shetucket River at Willimantic Windham County · Flood stage: 13 ft

Still River

Still River at Brookfield Fairfield County · Flood stage: 12 ft

Willimantic River

Willimantic River at Coventry Tolland County · Flood stage: 8 ft

Yantic River

Yantic River at Yantic New London County · Flood stage: 9 ft

Frequently Asked Questions

How many river gauges are monitored in Connecticut?

StormCast monitors 30 river gauges with NWS flood stage data in Connecticut. These include USGS stream gauges and NWS forecast points on rivers and creeks across the state.

How do I get flood alerts for a Connecticut river?

Download StormCast free on Google Play, go to River Gauges, and add any gauge to your watchlist. You'll receive a push notification when the water level crosses into a new NWS flood category.

How often are river levels updated?

USGS updates most gauge readings every 15 minutes. Each gauge page on this site shows live data fetched directly from USGS.

More Resources

River Level App Flood Alerts Understanding River Flood Levels Tornado Alerts Hurricane Tracker