CONNECTICUT RIVER

CONNECTICUT RIVER

River Levels Streamgages Weather


Total streamflow across the Connecticut River was last observed at 107,609 cfs, and is expected to yield approximately 213,440 acre-ft of water today; about 122% of normal. River levels are high. Average streamflow for this time of year is 88,227 cfs, with recent peaks last observed on 2014-04-17 when daily discharge volume was observed at 548,550 cfs.

Maximum discharge along the river is currently at the Connecticut R At Middle Haddam reporting a streamflow rate of 28,800 cfs. However, the streamgauge with the highest stage along the river is the Connecticut River At Montague City with a gauge stage of 11.21 ft. This river is monitored from 10 different streamgauging stations along the Connecticut River, the highest being situated at an altitude of 1,211 ft, the Connecticut R Below Indian Stream Nr Pittsburg.

The Connecticut River is the longest river in New England, stretching for 410 miles from its source in New Hampshire to its mouth at Long Island Sound. The river played a significant role in the industrial development of the region, serving as a major transportation route for goods and people. Today, the river is an important source of hydroelectric power, with several large dams and reservoirs along its length, including the Moore, Wilder, and Vernon dams. The river also supports a range of recreational activities, such as fishing, boating, and hiking, and provides water for agriculture in the Connecticut River Valley. Despite decades of pollution, the river has seen significant improvements in water quality and biodiversity in recent years due to restoration efforts.

July 20, 2024

°F

°F

mph

Windspeed

%

Humidity

Last Updated 2024-07-20
Discharge Volume 213,440 ACRE-FT
Streamflow 107,609.0 cfs
-17311.0 cfs (-13.86%)
Percent of Normal 121.97%
Maximum 548,550.0 cfs
2014-04-17
Seasonal Avg 88,227 cfs
Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Connecticut R Below Indian Stream Nr Pittsburg
USGS 01129200
679 cfs 3.4 ft -34.08
Connecticut River At North Stratford
USGS 01129500
1620 cfs 4.48 ft -29.87
Connecticut River Near Dalton
USGS 01131500
4240 cfs 10.76 ft -31.39
Connecticut River At Wells River
USGS 01138500
7580 cfs 4.84 ft -29.16
Connecticut River At West Lebanon
USGS 01144500
7590 cfs 7.34 ft -34
Connecticut River At North Walpole
USGS 01154500
11700 cfs 11.02 ft -1.68
Connecticut River At Montague City
USGS 01170500
12200 cfs 11.21 ft -28.24
Connecticut R At Interstate 391 Bridge At Holyoke
USGS 01172010
15400 cfs 9.3 ft -0.65
Connecticut River At Thompsonville
USGS 01184000
17800 cfs 9.57 ft -1.66
Connecticut R At Middle Haddam
USGS 01193050
28800 cfs 2.63 ft -6.19

Regional Streamflow

16

Cubic Feet Per Second

9

Cubic Feet Per Second

70

Cubic Feet Per Second

3

Cubic Feet Per Second

Explore the Interactive Map

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Historical River Levels

The Connecticut River is the longest river in the New England region of the United States, flowing roughly southward for 406 miles (653 km) through four states. It rises at the U.S. border with Quebec, Canada, and discharges at Long Island Sound. Its watershed encompasses five U.S. states and one Canadian province, 11,260 square miles (29,200 km2) via 148 tributaries, 38 of which are major rivers. It produces 70% of Long Island Sound's fresh water, discharging at 19,600 cubic feet (560 m3) per second.The Connecticut River Valley is home to some of the northeastern United States' most productive farmland, as well as a metropolitan region of approximately two million people surrounding Springfield, Massachusetts and Hartford, Connecticut.



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