Connecticut Stream Gauges

71 active USGS monitoring stations in Connecticut. Also see Connecticut streamflow overview.

Browse by Condition

All 71 Very Low 5 Low 11 Normal 47 High 4 Very High 0 Flooding 0 Unknown / Offline 6

Showing 1–50 of 71 · Page 1 of 2

Active USGS Stream Gauges

Station	River	Discharge (CFS)	Gage Ht (ft)	Condition
Aspetuck River at Aspetuck, CT 01209105	Aspetuck River	2	2.36	Normal
Bride Brook near East Lyme, CT 0112779610	Bride Brook	4	1.89	Very High
Broad Brook at Broad Brook, CT 01184490	Broad Brook	17	0.67	Normal
Bunnell Brook Near Burlington, CT 01188000	Bunnell Brook	5	2.37	Normal
Byram River at Pemberwick, CT 01212500	Byram River	14	1.77	Normal
Coginchaug River at Middlefield, CT 01192883	Coginchaug River	21	5.15	Normal
Connecticut River at Thompsonville, CT 01184000	Connecticut River	12,000	8.80	Normal
East Branch Eightmile River Near North Lyme, CT 01194500	East Branch Eightmile River	18	1.94	Normal
Eightmile River at North Plain, CT 01194000	Eightmile River	16	2.82	Normal
Farm River at Totoket Road at Totoket, CT 01195399	Farm River	7	5.53	Low
Farmington River at Tariffville, CT 01189995	Farmington River	430	1.43	Very Low
Farmington River at Unionville, CT 01188090	Farmington River	259	5.07	Very Low
Fenton River at Mansfield, CT 01121330	Fenton River	21	3.51	Normal
Fivemile River Near New Canaan, CT 01209761	Fivemile River	0	1.84	Low
French River at North Grosvenordale, CT 01125100	French River	80	6.96	Normal
Hockanum River Near East Hartford, CT 01192500	Hockanum River	82	2.25	Normal
Honeypot Brook at Creamery Road at Cheshire, CT 01196210	Honeypot Brook	2	2.73	Very Low
Hop Brook Near Naugatuck, CT 01208420	Hop Brook	10	1.61	Unknown
Housatonic River at Falls Village, CT 01199000	Housatonic River	536	2.61	Normal
Housatonic River at Gaylordsville, CT 01200500	Housatonic River	843	2.76	Normal
Housatonic River at Stevenson, CT 01205500	Housatonic River	4,030	6.72	High
Hubbard River Near West Hartland, CT 01187300	Hubbard River	8	0.61	Normal
Indian River Near Clinton, CT 01195100	Indian River	7	1.86	Normal
Little River Near Hanover, CT 01123000	Little River	32	1.82	Normal
Little River at Harrisville, CT 01125490	Little River	25	1.70	Normal
Mattabesset River at Route 372 at East Berlin 01192704	Mattabesset River	19	—	Normal
Mill River Near Fairfield, CT 01208925	Mill River	7	0.84	Low
Mill River Near Hamden, CT 01196620	Mill River	19	1.33	Normal
Mount Hope River Near Warrenville, CT 01121000	Mount Hope River	26	1.55	Normal
Muddy River Near East Wallingford, CT 01196561	Muddy River	1	1.19	Normal
Natchaug River at Marcy Road. Near Chaplin, CT 01120790	Natchaug River	53	2.76	Normal
Natchaug River at Willimantic, CT 01122000	Natchaug River	303	2.85	High
Naugatuck River at Beacon Falls, CT 01208500	Naugatuck River	213	1.67	Normal
Naugatuck River at Thomaston, CT 01206900	Naugatuck River	74	2.04	Normal
Naugatuck River at Waterbury, CT 01208171	Naugatuck River	135	7.06	Normal
Nepaug River near Nepaug, Ct. 01187800	Nepaug River	15	3.54	Normal
Nonewaug River at Minortown, CT 01203600	Nonewaug River	6	2.96	Low
North Branch Park River at Hartford, CT 01191000	North Branch Park River	14	1.73	Normal
Norwalk River at South Wilton, CT 01209700	Norwalk River	15	1.27	Normal
Pendleton Hill Brook Near Clarks Falls, CT 01118300	Pendleton Hill Brook	5	1.41	Normal
Pomperaug River at Southbury, CT 01204000	Pomperaug River	50	2.83	Normal
Pootatuck River at Berkshire 012035055	Pootatuck River	10	2.75	Low
Pootatuck River at Sandy Hook, CT 01203510	Pootatuck River	16	3.14	Low
Quinebaug River at Jewett City, CT 01127000	Quinebaug River	828	6.13	Normal
Quinebaug River at Putnam, CT 01125500	Quinebaug River	390	3.25	Normal
Quinebaug River at Quinebaug, CT 01124000	Quinebaug River	169	2.92	Normal
Quinebaug River at West Thompson, CT 01124151	Quinebaug River	309	1.79	High
Quinnipiac River at Southington, CT 01195490	Quinnipiac River	13	2.99	Low
Quinnipiac River at Wallingford, CT 01196500	Quinnipiac River	105	2.91	Normal
Ridgefield Brook at Shields Lane near Ridgefield, CT 012095493	Ridgefield Brook	4	1.83	Normal