WaterLevels.org
Connecticut Station Directory

Active Monitoring Locations

Real-time hydrological observation sites grouped by region, with ongoing streamflow, stage height, and temperature metrics.

Total Gauges
109
Critical Alerts
3
Offline / Stale
31

Capitol Planning Region

16 stations
ID: 01184490

Broad Brook At Broad Brook, CT

August 2, 2026 at 01:45:00 AM EDT

Latitude 41°54'50" N, Longitude 72°32'59" W

Streamflow Gauge Height Quality
Flow Rate 13 ft³/s
Stage Height 0.54 ft
Status Nominal
ID: 01190070

Connecticut River At Hartford, CT

August 2, 2026 at 02:30:00 AM EDT

Latitude 41°46'9" N, Longitude 72°40'3" W

Gauge Height
Stage Height 3.87 ft
Status Nominal
ID: 01184000

Connecticut River At Thompsonville, CT

August 2, 2026 at 02:30:00 AM EDT

Latitude 41°59'14" N, Longitude 72°36'19" W

Streamflow Gauge Height Quality
Flow Rate 13,200 ft³/s
Stage Height 8.93 ft
Status Nominal
ID: 01189995

Farmington River At Tariffville, CT

August 2, 2026 at 02:15:00 AM EDT

Latitude 41°54'30" N, Longitude 72°45'34" W

Streamflow Gauge Height
Flow Rate 517 ft³/s
Stage Height 1.59 ft
Status Nominal
ID: 01188090

Farmington River At Unionville, CT

August 2, 2026 at 02:30:00 AM EDT

Latitude 41°45'20" N, Longitude 72°53'13" W

Streamflow Gauge Height
Flow Rate 250 ft³/s
Stage Height 5.04 ft
Status Nominal
ID: 01121330

Fenton River At Mansfield, CT

August 2, 2026 at 02:15:00 AM EDT

Latitude 41°49'59" N, Longitude 72°14'34" W

Streamflow Gauge Height
Flow Rate 8 ft³/s
Stage Height 3.28 ft
Status Nominal
ID: 01192500

Hockanum River Near East Hartford, CT

August 2, 2026 at 02:30:00 AM EDT

Latitude 41°46'59" N, Longitude 72°35'14" W

Streamflow Gauge Height Quality
Flow Rate 70 ft³/s
Stage Height 2.12 ft
Status Nominal
ID: 01193348

Lyman Brook At Marlborough, CT

May 8, 2015 at 12:45:40 AM EDT

Latitude 41°37'59" N, Longitude 72°27'15" W

Quality
Water Temp
Status Offline
ID: 01192704

Mattabesset River At Route 372 At East Berlin

September 30, 2000 at 12:45:00 AM EDT

Latitude 41°36'29" N, Longitude 72°42'54" W

Streamflow
Flow Rate 19 ft³/s
Status Offline
ID: 011844548

Muddy Brook At Ellington, Upper Site

October 25, 1992 at 12:30:00 AM EDT

Latitude 41°55'35" N, Longitude 72°29'0" W

Streamflow
Flow Rate 0 ft³/s
Status Offline
ID: 01191000

North Branch Park River At Hartford, CT

August 2, 2026 at 02:00:00 AM EDT

Latitude 41°47'4" N, Longitude 72°42'29" W

Streamflow Gauge Height Quality
Flow Rate 23 ft³/s
Stage Height 1.84 ft
Status Minor Flood
ID: 01195490

Quinnipiac River At Southington, CT

August 2, 2026 at 01:45:00 AM EDT

Latitude 41°36'12" N, Longitude 72°53'0" W

Streamflow Gauge Height
Flow Rate 16 ft³/s
Stage Height 3.08 ft
Status Nominal
ID: 01195510

Quinnipiac River Ds W Center St At Southington, CT

September 17, 2018 at 12:30:33 PM EDT

Latitude 41°35'57" N, Longitude 72°53'9" W

Quality
Water Temp
Status Offline
ID: 01184100

Stony Brook Near West Suffield, CT

August 2, 2026 at 02:00:00 AM EDT

Latitude 41°57'39" N, Longitude 72°42'38" W

Streamflow Gauge Height
Flow Rate 4 ft³/s
Stage Height 1.39 ft
Status Nominal
ID: 01119382

Willimantic River At Merrow Rd. Near Merrow, CT

August 2, 2026 at 02:15:00 AM EDT

Latitude 41°49'26" N, Longitude 72°18'46" W

Streamflow Gauge Height
Flow Rate 36 ft³/s
Stage Height 1.10 ft
Status Nominal
ID: 01119500

Willimantic River Near Coventry, CT

August 2, 2026 at 02:15:00 AM EDT

Latitude 41°45'2" N, Longitude 72°15'56" W

Streamflow Gauge Height
Flow Rate 49 ft³/s
Stage Height 2.70 ft
Status Nominal

Greater Bridgeport Planning Region

7 stations
ID: 01209105

Aspetuck River At Aspetuck, CT

August 2, 2026 at 02:00:00 AM EDT

Latitude 41°13'43" N, Longitude 73°19'27" W

Streamflow Gauge Height
Flow Rate 56 ft³/s
Stage Height 3.06 ft
Status Nominal
ID: 01208837

Housatonic River Near Nells Island Near Stratford, CT

August 2, 2026 at 12:45:00 AM EDT

Latitude 41°11'18" N, Longitude 73°7'17" W

Quality
Water Temp
Status Nominal
ID: 410757073165601

Mill River At Pequot Yacht Club At Southport, CT

March 26, 2024 at 08:12:00 AM EDT

Latitude 41°7'57" N, Longitude 73°16'57" W

Quality
Water Temp
Status Offline
ID: 410729073171701

Mill River At Southport Harbor Near Southport, CT

April 16, 2024 at 10:00:00 AM EDT

Latitude 41°7'29" N, Longitude 73°17'18" W

Quality
Water Temp
Status Offline
ID: 01208925

Mill River Near Fairfield, CT

August 2, 2026 at 02:15:00 AM EDT

Latitude 41°9'56" N, Longitude 73°16'12" W

Streamflow Gauge Height
Flow Rate 41 ft³/s
Stage Height 1.10 ft
Status Nominal
ID: 01208873

Rooster River At Fairfield, CT

August 2, 2026 at 02:35:00 AM EDT

Latitude 41°10'47" N, Longitude 73°13'8" W

Streamflow Gauge Height Quality
Flow Rate 22 ft³/s
Stage Height 3.44 ft
Status Nominal
ID: 01208950

Sasco Brook Near Southport, CT

August 2, 2026 at 02:30:00 AM EDT

Latitude 41°9'10" N, Longitude 73°18'21" W

Streamflow Gauge Height
Flow Rate 14 ft³/s
Stage Height 1.51 ft
Status Nominal

Lower Connecticut River Valley Planning Region

8 stations
ID: 01192883

Coginchaug River At Middlefield, CT

August 2, 2026 at 02:00:00 AM EDT

Latitude 41°31'13" N, Longitude 72°42'24" W

Streamflow Gauge Height
Flow Rate 78 ft³/s
Stage Height 5.92 ft
Status Nominal
ID: 01194750

Connecticut River At Essex, CT

August 2, 2026 at 02:20:00 AM EDT

Latitude 41°21'5" N, Longitude 72°23'4" W

Gauge Height Quality
Stage Height 3.11 ft
Water Temp
Status Nominal
ID: 01193050

Connecticut River At Middle Haddam, CT

August 2, 2026 at 02:15:00 AM EDT

Latitude 41°32'30" N, Longitude 72°33'11" W

Streamflow Gauge Height Quality
Flow Rate 317 ft³/s
Stage Height 3.23 ft
Status Nominal
ID: 01194796

Connecticut River At Old Lyme, CT

August 2, 2026 at 01:55:00 AM EDT

Latitude 41°18'45" N, Longitude 72°20'45" W

Gauge Height Quality
Stage Height 2.96 ft
Water Temp
Status Nominal
ID: 01194500

East Branch Eightmile River Near North Lyme, CT

August 2, 2026 at 01:45:00 AM EDT

Latitude 41°25'39" N, Longitude 72°20'5" W

Streamflow Gauge Height Quality
Flow Rate 34 ft³/s
Stage Height 2.21 ft
Status Nominal
ID: 01194000

Eightmile River At North Plain, CT

August 2, 2026 at 02:15:00 AM EDT

Latitude 41°26'30" N, Longitude 72°19'58" W

Streamflow Gauge Height Quality
Flow Rate 37 ft³/s
Stage Height 3.09 ft
Status Nominal
ID: 01195100

Indian River Near Clinton, CT

August 2, 2026 at 01:45:00 AM EDT

Latitude 41°18'22" N, Longitude 72°31'52" W

Streamflow Gauge Height
Flow Rate 5 ft³/s
Stage Height 1.84 ft
Status Nominal
ID: 01193500

Salmon River Near East Hampton, CT

August 2, 2026 at 02:15:00 AM EDT

Latitude 41°33'8" N, Longitude 72°26'57" W

Streamflow Gauge Height Quality
Flow Rate 84 ft³/s
Stage Height 2.63 ft
Status Nominal

Naugatuck Valley Planning Region

13 stations
ID: 01196210

Honeypot Brook At Creamery Road At Cheshire, CT

August 2, 2026 at 02:15:00 AM EDT

Latitude 41°31'56" N, Longitude 72°53'23" W

Streamflow Gauge Height
Flow Rate 5 ft³/s
Stage Height 2.80 ft
Status Nominal
ID: 01208420

Hop Brook Near Naugatuck, CT

August 2, 2026 at 02:30:00 AM EDT

Latitude 41°30'21" N, Longitude 73°3'29" W

Streamflow Gauge Height
Flow Rate 19 ft³/s
Stage Height 1.83 ft
Status Nominal
ID: 01208760

Housatonic River. At Beacon Pt Marina Near Shelton, CT

August 2, 2026 at 02:10:00 AM EDT

Latitude 41°16'21" N, Longitude 73°5'23" W

Streamflow Gauge Height
Flow Rate 664 ft³/s
Stage Height 4.08 ft
Status Nominal
ID: 01205500

Housatonic River At Stevenson, CT

August 2, 2026 at 02:30:00 AM EDT

Latitude 41°23'2" N, Longitude 73°10'0" W

Streamflow Gauge Height Quality
Flow Rate 4,320 ft³/s
Stage Height 6.93 ft
Status Action
ID: 01208500

Naugatuck River At Beacon Falls, CT

August 2, 2026 at 02:30:00 AM EDT

Latitude 41°26'32" N, Longitude 73°3'44" W

Streamflow Gauge Height Quality
Flow Rate 248 ft³/s
Stage Height 1.82 ft
Status Nominal
ID: 01206900

Naugatuck River At Thomaston, CT

August 2, 2026 at 02:30:00 AM EDT

Latitude 41°40'25" N, Longitude 73°4'10" W

Streamflow Gauge Height
Flow Rate 74 ft³/s
Stage Height 2.04 ft
Status Nominal
ID: 01208171

Naugatuck River At Waterbury, CT

August 2, 2026 at 02:30:00 AM EDT

Latitude 41°33'25" N, Longitude 73°3'15" W

Streamflow Gauge Height
Flow Rate 126 ft³/s
Stage Height 7.02 ft
Status Nominal
ID: 01208350

Naugatuck River Near Union City, CT

September 21, 2018 at 10:45:33 AM EDT

Latitude 41°31'6" N, Longitude 73°3'12" W

Quality
Water Temp
Status Offline
ID: 01203600

Nonewaug River At Minortown, CT

August 2, 2026 at 01:45:00 AM EDT

Latitude 41°34'35" N, Longitude 73°10'38" W

Streamflow Gauge Height
Flow Rate 24 ft³/s
Stage Height 3.29 ft
Status Nominal
ID: 01189000

Pequabuck River At Forestville, Ct.

October 1, 2025 at 12:55:00 AM EDT

Latitude 41°40'23" N, Longitude 72°54'2" W

Streamflow Gauge Height
Flow Rate 20 ft³/s
Stage Height 1.38 ft
Status Offline
ID: 01204000

Pomperaug River At Southbury, CT

August 2, 2026 at 02:00:00 AM EDT

Latitude 41°28'55" N, Longitude 73°13'28" W

Streamflow Gauge Height
Flow Rate 100 ft³/s
Stage Height 3.24 ft
Status Nominal
ID: 01196222

Quinnipiac River Near Meriden, CT

September 17, 2018 at 10:15:16 AM EDT

Latitude 41°31'45" N, Longitude 72°51'48" W

Quality
Water Temp
Status Offline
ID: 01203805

Weekeepeemee River At Hotchkissville, CT

August 2, 2026 at 02:15:00 AM EDT

Latitude 41°33'28" N, Longitude 73°12'55" W

Streamflow Gauge Height
Flow Rate 20 ft³/s
Stage Height 2.34 ft
Status Nominal

Northeastern Connecticut Planning Region

9 stations
ID: 01125100

French River At North Grosvenordale, CT

August 2, 2026 at 02:15:00 AM EDT

Latitude 41°58'42" N, Longitude 71°54'2" W

Streamflow Gauge Height Quality
Flow Rate 169 ft³/s
Stage Height 7.38 ft
Status Nominal
ID: 01125490

Little River At Harrisville, CT

August 2, 2026 at 01:45:00 AM EDT

Latitude 41°55'40" N, Longitude 71°55'48" W

Streamflow Gauge Height
Flow Rate 20 ft³/s
Stage Height 1.64 ft
Status Nominal
ID: 01123000

Little River Near Hanover, CT

August 2, 2026 at 02:15:00 AM EDT

Latitude 41°40'18" N, Longitude 72°3'8" W

Streamflow Gauge Height
Flow Rate 15 ft³/s
Stage Height 1.59 ft
Status Nominal
ID: 01121000

Mount Hope River Near Warrenville, CT

August 2, 2026 at 02:15:00 AM EDT

Latitude 41°50'37" N, Longitude 72°10'8" W

Streamflow Gauge Height
Flow Rate 14 ft³/s
Stage Height 1.30 ft
Status Nominal
ID: 01120790

Natchaug River At Marcy Rd. Near Chaplin, CT

August 2, 2026 at 02:00:00 AM EDT

Latitude 41°48'58" N, Longitude 72°6'22" W

Streamflow Gauge Height
Flow Rate 30 ft³/s
Stage Height 2.50 ft
Status Nominal
ID: 01125500

Quinebaug River At Putnam, CT

August 2, 2026 at 02:30:00 AM EDT

Latitude 41°54'34" N, Longitude 71°54'50" W

Streamflow Gauge Height
Flow Rate 256 ft³/s
Stage Height 2.89 ft
Status Nominal
ID: 01124000

Quinebaug River At Quinebaug, CT

August 2, 2026 at 02:00:00 AM EDT

Latitude 42°1'20" N, Longitude 71°57'20" W

Streamflow Gauge Height Quality
Flow Rate 86 ft³/s
Stage Height 2.64 ft
Status Nominal
ID: 01124151

Quinebaug River At West Thompson, CT

August 2, 2026 at 02:30:00 AM EDT

Latitude 41°56'37" N, Longitude 71°53'59" W

Streamflow Gauge Height
Flow Rate 142 ft³/s
Stage Height 1.19 ft
Status Nominal
ID: 01124149

W Thompson Lake At Old W Thompson Rd Near W Thompson

October 30, 2024 at 09:30:00 AM EDT

Latitude 41°56'51" N, Longitude 71°54'6" W

Quality
Water Temp
Status Offline

Northwest Hills Planning Region

12 stations
ID: 01188000

Bunnell Brook Near Burlington, CT

August 2, 2026 at 02:30:00 AM EDT

Latitude 41°47'10" N, Longitude 72°57'53" W

Streamflow Gauge Height
Flow Rate 3 ft³/s
Stage Height 2.07 ft
Status Nominal
ID: 01205700

East Branch Naugatuck River At Torrington, Conn

April 17, 1997 at 12:45:00 AM EDT

Latitude 41°48'12" N, Longitude 73°7'4" W

Streamflow
Flow Rate 34 ft³/s
Status Offline
ID: 01199000

Housatonic River At Falls Village, CT

August 2, 2026 at 02:15:00 AM EDT

Latitude 41°57'26" N, Longitude 73°22'9" W

Streamflow Gauge Height
Flow Rate 2,120 ft³/s
Stage Height 4.48 ft
Status Nominal
ID: 01187300

Hubbard River Near West Hartland, CT

August 2, 2026 at 02:30:00 AM EDT

Latitude 42°2'15" N, Longitude 72°56'22" W

Streamflow Gauge Height
Flow Rate 10 ft³/s
Stage Height 0.61 ft
Status Nominal
ID: 01205890

Naugatuck River At Rte 118 At East Litchfield, CT

July 23, 2018 at 12:45:33 AM EDT

Latitude 41°45'48" N, Longitude 73°7'1" W

Quality
Water Temp
Status Offline
ID: 01187800

Nepaug River Near Nepaug, Ct.

August 2, 2026 at 01:45:00 AM EDT

Latitude 41°49'14" N, Longitude 72°58'12" W

Streamflow Gauge Height
Flow Rate 12 ft³/s
Stage Height 3.44 ft
Status Nominal
ID: 01199050

Salmon Creek At Lime Rock, CT

August 2, 2026 at 02:00:00 AM EDT

Latitude 41°56'32" N, Longitude 73°23'27" W

Streamflow Gauge Height
Flow Rate 67 ft³/s
Stage Height 1.45 ft
Status Nominal
ID: 01202501

Shepaug River At Peters Dam At Woodville, CT

August 2, 2026 at 02:15:00 AM EDT

Latitude 41°43'10" N, Longitude 73°17'33" W

Streamflow Gauge Height
Flow Rate 38 ft³/s
Stage Height 2.48 ft
Status Nominal
ID: 01203000

Shepaug River Near Roxbury, CT

September 27, 2017 at 01:45:32 PM EDT

Latitude 41°32'59" N, Longitude 73°19'47" W

Streamflow Quality
Flow Rate 11 ft³/s
Water Temp
Status Offline
ID: 01186500

Still River At Robertsville, CT

August 2, 2026 at 02:30:00 AM EDT

Latitude 41°58'5" N, Longitude 73°2'0" W

Streamflow Gauge Height Quality
Flow Rate 69 ft³/s
Stage Height 2.00 ft
Status Nominal
ID: 01205600

W Branch Naugatuck River At Torrington, Ct.

April 17, 1997 at 12:45:00 AM EDT

Latitude 41°48'3" N, Longitude 73°7'24" W

Streamflow
Flow Rate 86 ft³/s
Status Offline
ID: 01186000

West Branch Farmington River At Riverton, CT

August 2, 2026 at 02:30:00 AM EDT

Latitude 41°57'46" N, Longitude 73°1'3" W

Streamflow Gauge Height Quality
Flow Rate 114 ft³/s
Stage Height 3.65 ft
Status Nominal

South Central Connecticut Planning Region

6 stations
ID: 411513072512301

Farm River At Farm River Marina Near East Haven, CT

April 1, 2025 at 10:54:00 AM EDT

Latitude 41°15'13" N, Longitude 72°51'23" W

Quality
Water Temp
Status Offline
ID: 01195399

Farm River At Totoket Road At Totoket, CT

August 2, 2026 at 02:00:00 AM EDT

Latitude 41°20'1" N, Longitude 72°48'54" W

Streamflow Gauge Height
Flow Rate 11 ft³/s
Stage Height 5.64 ft
Status Nominal
ID: 01196620

Mill River Near Hamden, CT

August 2, 2026 at 02:15:00 AM EDT

Latitude 41°25'13" N, Longitude 72°54'10" W

Streamflow Gauge Height
Flow Rate 23 ft³/s
Stage Height 1.37 ft
Status Nominal
ID: 01196561

Muddy River Near East Wallingford, CT

August 2, 2026 at 02:15:00 AM EDT

Latitude 41°26'8" N, Longitude 72°46'46" W

Streamflow Gauge Height
Flow Rate 4 ft³/s
Stage Height 1.40 ft
Status Nominal
ID: 01196500

Quinnipiac River At Wallingford, CT

August 2, 2026 at 02:00:00 AM EDT

Latitude 41°27'1" N, Longitude 72°50'29" W

Streamflow Gauge Height Quality
Flow Rate 141 ft³/s
Stage Height 3.13 ft
Status Nominal
ID: 01196528

Quinnipiac River Us Rte 22 At N Haven, CT

September 25, 2018 at 10:00:33 AM EDT

Latitude 41°23'53" N, Longitude 72°52'6" W

Quality
Water Temp
Status Offline

Southeastern Connecticut Planning Region

20 stations
ID: 0112779610

Bride Brook Near East Lyme, CT

August 2, 2026 at 01:45:00 AM EDT

Latitude 41°19'24" N, Longitude 72°14'30" W

Streamflow Gauge Height
Flow Rate 2 ft³/s
Stage Height 1.66 ft
Status Nominal
ID: 011277905

Latimer Brook Near I 95 N Exit 75 Near Flanders, CT

May 1, 2023 at 12:30:00 AM EDT

Latitude 41°22'7" N, Longitude 72°12'8" W

Streamflow Gauge Height Quality
Flow Rate 180 ft³/s
Stage Height 3.92 ft
Status Offline
ID: 412047071580800

Mystic Harbor At Safe Harbor Marina Near Mystic, CT

April 5, 2023 at 11:54:08 AM EDT

Latitude 41°20'47" N, Longitude 71°58'8" W

Quality
Water Temp
Status Offline
ID: 411940071590300

Mystic River At Ram Island Yacht Club At Noank, CT

July 17, 2026 at 11:36:00 AM EDT

Latitude 41°19'40" N, Longitude 71°59'3" W

Quality
Water Temp
Status Offline
ID: 412240071574700

Mystic River Us Rte I95 Bridge Near Old Mystic, CT

April 5, 2023 at 02:36:00 PM EDT

Latitude 41°22'40" N, Longitude 71°57'47" W

Quality
Water Temp
Status Offline
ID: 01122000

Natchaug River At Willimantic, CT

August 2, 2026 at 02:30:00 AM EDT

Latitude 41°43'12" N, Longitude 72°11'44" W

Streamflow Gauge Height
Flow Rate 137 ft³/s
Stage Height 2.13 ft
Status Nominal
ID: 01118520

Pawcatuck River Near Pawcatuck,Ct.

October 3, 2018 at 12:25:00 PM EDT

Latitude 41°20'9" N, Longitude 71°50'22" W

Quality
Water Temp
Status Offline
ID: 01118502

Pawcatuck River South Of Route 1 At Pawcatuck, CT

July 2, 2020 at 10:00:34 AM EDT

Latitude 41°22'37" N, Longitude 71°49'56" W

Quality
Water Temp
Status Offline
ID: 01118518

Pawcatuck River Us Pawcatuck Rock Near Pawcatuck, CT

July 2, 2020 at 12:15:34 PM EDT

Latitude 41°20'48" N, Longitude 71°49'49" W

Quality
Water Temp
Status Offline
ID: 01118300

Pendleton Hill Brook Near Clarks Falls, CT

August 2, 2026 at 01:45:00 AM EDT

Latitude 41°28'29" N, Longitude 71°50'3" W

Streamflow Gauge Height
Flow Rate 10 ft³/s
Stage Height 1.63 ft
Status Nominal
ID: 412006072020801

Poquonnock River At Bluff Point State Park, CT

August 2, 2026 at 02:30:00 AM EDT

Latitude 41°20'6" N, Longitude 72°2'8" W

Quality
Water Temp
Status Nominal
ID: 01119001

Poquonnock River At Long Hill, CT

August 2, 2026 at 02:30:00 AM EDT

Latitude 41°20'56" N, Longitude 72°2'17" W

Streamflow Gauge Height
Flow Rate 16 ft³/s
Stage Height 5.83 ft
Status Nominal
ID: 01127000

Quinebaug River At Jewett City, CT

August 2, 2026 at 02:30:00 AM EDT

Latitude 41°35'51" N, Longitude 71°59'3" W

Streamflow Gauge Height
Flow Rate 643 ft³/s
Stage Height 5.79 ft
Status Nominal
ID: 01193463

Salmon River Us Wolf Brook Near N Westchester Ct

September 25, 2015 at 12:45:16 AM EDT

Latitude 41°34'27" N, Longitude 72°25'46" W

Quality
Water Temp
Status Offline
ID: 011230695

Shetucket River At Taftville, CT

August 2, 2026 at 02:00:00 AM EDT

Latitude 41°34'12" N, Longitude 72°2'46" W

Streamflow Gauge Height
Flow Rate 267 ft³/s
Stage Height 5.24 ft
Status Nominal
ID: 01122500

Shetucket River Near Willimantic, CT

August 2, 2026 at 02:30:00 AM EDT

Latitude 41°42'1" N, Longitude 72°10'55" W

Streamflow Gauge Height
Flow Rate 235 ft³/s
Stage Height 2.43 ft
Status Nominal
ID: 01127768

Thames River At Groton, Ct.

July 21, 2026 at 08:30:00 AM EDT

Latitude 41°20'40" N, Longitude 72°5'19" W

Quality
Water Temp
Status Offline
ID: 01118700

Whitford Bk At Old Mystic,Ct.

May 1, 2023 at 12:45:00 AM EDT

Latitude 41°23'41" N, Longitude 71°57'38" W

Streamflow Gauge Height
Flow Rate 74 ft³/s
Stage Height 2.22 ft
Status Offline
ID: 01118668

Whitford Brook Bl Williams Brook Near Old Mystic, CT

October 1, 2002 at 12:45:00 AM EDT

Latitude 41°24'30" N, Longitude 71°57'47" W

Streamflow
Flow Rate 9 ft³/s
Status Offline
ID: 01127500

Yantic River At Yantic, CT

August 2, 2026 at 01:45:00 AM EDT

Latitude 41°33'31" N, Longitude 72°7'17" W

Streamflow Gauge Height Quality
Flow Rate 77 ft³/s
Stage Height 1.88 ft
Status Nominal

Western Connecticut Planning Region

18 stations
ID: 01212500

Byram River At Pemberwick, CT

August 2, 2026 at 02:30:00 AM EDT

Latitude 41°1'38" N, Longitude 73°39'42" W

Streamflow Gauge Height
Flow Rate 24 ft³/s
Stage Height 1.82 ft
Status Nominal
ID: 01209761

Fivemile River Near New Canaan, CT

August 2, 2026 at 02:00:00 AM EDT

Latitude 41°10'28" N, Longitude 73°30'40" W

Streamflow Gauge Height
Flow Rate 0 ft³/s
Stage Height 1.84 ft
Status Nominal
ID: 01200500

Housatonic River At Gaylordsville, CT

August 2, 2026 at 02:00:00 AM EDT

Latitude 41°39'11" N, Longitude 73°29'23" W

Streamflow Gauge Height
Flow Rate 2,950 ft³/s
Stage Height 4.83 ft
Status Nominal
ID: 01200600

Housatonic River Near New Milford, CT

August 2, 2026 at 02:30:00 AM EDT

Latitude 41°35'35" N, Longitude 73°26'58" W

Streamflow Gauge Height Quality
Flow Rate 3,160 ft³/s
Stage Height 10.96 ft
Status Nominal
ID: 410502073236000

Norwalk Harbor At The Cove Marina Near E Norwalk, CT

April 11, 2023 at 12:48:00 PM EDT

Latitude 41°5'2" N, Longitude 73°24'0" W

Quality
Water Temp
Status Offline
ID: 410643073243700

Norwalk River At Ferry Point Near Norwalk, CT

April 17, 2023 at 09:24:00 AM EDT

Latitude 41°6'43" N, Longitude 73°24'37" W

Quality
Water Temp
Status Offline
ID: 410606073245700

Norwalk River At Maritime Aquarium Near S Norwalk, CT

August 2, 2026 at 02:06:00 AM EDT

Latitude 41°6'6" N, Longitude 73°24'57" W

Quality
Water Temp
Status Nominal
ID: 01209700

Norwalk River At South Wilton, CT

August 2, 2026 at 02:30:00 AM EDT

Latitude 41°9'50" N, Longitude 73°25'10" W

Streamflow Gauge Height
Flow Rate 44 ft³/s
Stage Height 1.50 ft
Status Nominal
ID: 012035055

Pootatuck River At Berkshire

August 2, 2026 at 02:30:00 AM EDT

Latitude 41°24'24" N, Longitude 73°16'23" W

Streamflow Gauge Height
Flow Rate 40 ft³/s
Stage Height 3.23 ft
Status Nominal
ID: 01203510

Pootatuck River At Sandy Hook, CT

August 2, 2026 at 02:00:00 AM EDT

Latitude 41°25'9" N, Longitude 73°16'56" W

Streamflow Gauge Height
Flow Rate 62 ft³/s
Stage Height 4.02 ft
Status Nominal
ID: 012095493

Ridgefield Brook At Shields Lane Near Ridgefield, CT

August 2, 2026 at 02:30:00 AM EDT

Latitude 41°18'51" N, Longitude 73°29'34" W

Streamflow Gauge Height
Flow Rate 9 ft³/s
Stage Height 2.04 ft
Status Nominal
ID: 01209901

Rippowam River At Stamford, Ct.

August 2, 2026 at 01:45:00 AM EDT

Latitude 41°3'58" N, Longitude 73°32'57" W

Streamflow Gauge Height
Flow Rate 15 ft³/s
Stage Height 1.48 ft
Status Nominal
ID: 01209005

Saugatuck River Below Saugatuck Reservoir Near Lyons Plain, CT

August 2, 2026 at 01:45:00 AM EDT

Latitude 41°14'44" N, Longitude 73°20'57" W

Streamflow Gauge Height
Flow Rate 7 ft³/s
Stage Height 2.41 ft
Status Nominal
ID: 410613073215801

Saugatuck River Lower Embayment Near Saugatuck, CT

April 16, 2024 at 12:06:00 PM EDT

Latitude 41°6'14" N, Longitude 73°21'58" W

Quality
Water Temp
Status Offline
ID: 01208990

Saugatuck River Near Redding, CT

August 2, 2026 at 02:00:00 AM EDT

Latitude 41°17'40" N, Longitude 73°23'42" W

Streamflow Gauge Height Quality
Flow Rate 56 ft³/s
Stage Height 2.15 ft
Status Nominal
ID: 01209500

Saugatuck River Near Westport, CT

August 2, 2026 at 02:00:00 AM EDT

Latitude 41°10'15" N, Longitude 73°21'53" W

Streamflow Gauge Height
Flow Rate 129 ft³/s
Stage Height 3.83 ft
Status Nominal
ID: 410724073221001

Saugatuck River Us Rte 136 Near Saugatuck, CT

April 8, 2024 at 05:36:00 AM EDT

Latitude 41°7'24" N, Longitude 73°22'10" W

Quality
Water Temp
Status Offline
ID: 01201487

Still River At Route 7 At Brookfield Center, CT

August 2, 2026 at 01:45:00 AM EDT

Latitude 41°27'57" N, Longitude 73°24'12" W

Streamflow Gauge Height Quality
Flow Rate 147 ft³/s
Stage Height 7.76 ft
Status Action