Connecticut river levels

79 active gauges · data refreshed 2 min ago

20 gauges with a water-level reading and an official flood stage; 0 at action level below flood stage. 9 gauges without a usable water-level reading; 50 with a reading but no published minor flood stage.

This summary uses the latest available readings, which may be delayed. Check each gauge’s observation time below. Below-stage readings do not rule out flooding elsewhere, including streets and unmonitored waterways.

Rivers: Quinebaug River · Housatonic River · Naugatuck River · Saugatuck River · Willimantic River · Natchaug River · Shetucket River · Little River · Still River · Farmington River · Quinnipiac River · Mill River · Shepaug River · Pootatuck River

Towns: Willimantic · Fairfield · Old Mystic

GaugeStatusStageFlowUpdated
Broad Brook at Broad Brook, CTNo flooding0.50 ft11 cfs
Bunnell Brook near Burlington, CTNo flooding2.10 ft3 cfs
Connecticut River at Thompsonville, CTNo flooding7.96 ft5,030 cfs
Farmington River at Tariffville, CTNo flooding1.33 ft381 cfs
Farmington River at Unionville, CTNo flooding5.01 ft241 cfs
Hockanum River near East Hartford, CTNo flooding2.10 ft73 cfs
Housatonic River at Falls Village, CTNo flooding2.34 ft389 cfs
Housatonic River at Gaylordsville, CTNo flooding2.20 ft492 cfs
Housatonic River at Stevenson, CTNo flooding2.50 ft470 cfs
Mount Hope River near Warrenville, CTNo flooding1.28 ft11 cfs
Naugatuck River at Beacon Falls, CTNo flooding1.52 ft181 cfs
North Branch Park River at Hartford, CTNo flooding1.65 ft11 cfs
Pomperaug River at Southbury, CTNo flooding2.91 ft59 cfs
Quinebaug River at Jewett City, CTNo flooding5.65 ft573 cfs
Quinebaug River at Putnam, CTNo flooding2.71 ft190 cfs
Quinnipiac River at Wallingford, CTNo flooding2.95 ft117 cfs
Shetucket River near Willimantic, CTNo flooding2.37 ft180 cfs
Still River at Route 7 at Brookfield Center, CTNo flooding6.80 ft68 cfs
Willimantic River near Coventry, CTNo flooding2.73 ft52 cfs
Yantic River at Yantic, CTNo flooding1.96 ft85 cfs
East Branch Naugatuck River at Torrington, ConnNo current data———
Latimer Brook near I-95N Exit 75 near Flanders, CTNo current data———
Mattabesset River at Route 372 at East BerlinNo current data———
Muddy Brook at Ellington, Upper SiteNo current data———
Pequabuck River at Forestville, Ct.No current data———
Shepaug River near Roxbury, CTNo current data———
W Br Naugatuck River at Torrington, Ct.No current data———
Whitford Brook at Old Mystic, Ct.No current data———
Whitford Brook below Williams Brook near Old Mystic, CTNo current data———
Aspetuck River at Aspetuck, CTNo flood stage defined2.85 ft34 cfs
Bride Brook near East Lyme, CTNo flood stage defined1.67 ft2 cfs
Byram River at Pemberwick, CTNo flood stage defined1.73 ft12 cfs
Coginchaug River at Middlefield, CTNo flood stage defined5.26 ft25 cfs
East Branch Eightmile River near North Lyme, CTNo flood stage defined2.09 ft27 cfs
Eightmile River at North Plain, CTNo flood stage defined2.90 ft28 cfs
Farm River at Totoket Road at Totoket, CTNo flood stage defined5.70 ft19 cfs
Fenton River at Mansfield, CTNo flood stage defined3.27 ft5 cfs
Fivemile River near New Canaan, CTNo flood stage defined1.87 ft0 cfs
French River at North Grosvenordale, CTNo flood stage defined6.95 ft75 cfs
Honeypot Brook at Creamery Road at Cheshire, CTNo flood stage defined2.83 ft4 cfs
Hop Brook near Naugatuck, CTNo flood stage defined1.70 ft13 cfs
Housatonic River near New Milford, CTNo flood stage defined8.53 ft546 cfs
Hubbard River near West Hartland, CTNo flood stage defined0.82 ft15 cfs
Indian River near Clinton, CTNo flood stage defined1.72 ft3 cfs
Little River at Harrisville, CTNo flood stage defined1.60 ft13 cfs
Little River near Hanover, CTNo flood stage defined1.63 ft19 cfs
Mill River near Fairfield, CTNo flood stage defined1.16 ft47 cfs
Mill River near Hamden, CTNo flood stage defined1.40 ft25 cfs
Muddy River near East Wallingford, CTNo flood stage defined1.54 ft9 cfs
Natchaug River at Marcy Rd. near Chaplin, CTNo flood stage defined2.45 ft26 cfs
Natchaug River at Willimantic, CTNo flood stage defined1.72 ft81 cfs
Naugatuck River at Thomaston, CTNo flood stage defined1.82 ft38 cfs
Naugatuck River at Waterbury, CTNo flood stage defined6.93 ft103 cfs
Nepaug River near Nepaug, Ct.No flood stage defined3.35 ft9 cfs
Nonewaug River at Minortown, CTNo flood stage defined3.08 ft12 cfs
Norwalk River at South Wilton, CTNo flood stage defined1.29 ft21 cfs
Pendleton Hill Brook near Clarks Falls, CTNo flood stage defined1.47 ft7 cfs
Pootatuck River at BerkshireNo flood stage defined2.90 ft16 cfs
Pootatuck River at Sandy Hook, CTNo flood stage defined3.37 ft23 cfs
Poquonnock River at Long Hill, CTNo flood stage defined5.27 ft4 cfs
Quinebaug River at Quinebaug, CTNo flood stage defined2.67 ft94 cfs
Quinebaug River at West Thompson, CTNo flood stage defined0.98 ft100 cfs
Quinnipiac River at Southington, CTNo flood stage defined3.02 ft14 cfs
Ridgefield Brook at Shields Lane near Ridgefield, CTNo flood stage defined1.78 ft3 cfs
Rippowam River at Stamford, Ct.No flood stage defined1.45 ft12 cfs
Rooster River at Fairfield, CTNo flood stage defined3.40 ft11 cfs
Salmon Creek at Lime Rock, CTNo flood stage defined0.90 ft13 cfs
Salmon River near East Hampton, CTNo flood stage defined2.49 ft47 cfs
Sasco Brook near Southport, CTNo flood stage defined1.37 ft8 cfs
Saugatuck River below Saugatuck Reservoir near Lyons Plain, CTNo flood stage defined2.55 ft11 cfs
Saugatuck River near Redding, CTNo flood stage defined1.53 ft16 cfs
Saugatuck River near Westport, CTNo flood stage defined3.60 ft81 cfs
Shepaug River at Peters Dam at Woodville, CTNo flood stage defined1.74 ft19 cfs
Shetucket River at Taftville, CTNo flood stage defined4.86 ft142 cfs
Still River at Robertsville, CTNo flood stage defined1.70 ft31 cfs
Stony Brook near West Suffield, CTNo flood stage defined1.35 ft3 cfs
Weekeepeemee River at Hotchkissville, CTNo flood stage defined2.28 ft20 cfs
West Branch Farmington River at Riverton, CTNo flood stage defined3.72 ft132 cfs
Willimantic River at Merrow Rd. near Merrow, CTNo flood stage defined1.09 ft35 cfs
Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.