Connecticut River

Streamflow Hydrology Weather


Connecticut River Levels

October 27 2024

59,552 ACRE-FT

Discharge Volume Today
-690.0 cfs (-2.25%) since yesterday
41.4% of normal Very Low

Total streamflow across the Connecticut River was last observed at 30,024 cfs, and is expected to yield approximately 59,552 acre-ft of water today; about 41% of normal. River levels are low and may signify a drought. Average streamflow for this time of year is 72,514 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 14,000 cfs. However, the streamgauge with the highest stage along the river is the Connecticut River At Thompsonville with a gauge stage of 7.83 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.

Last Updated 2024-10-27
Streamflow 30,024.0 cfs
Percent of Normal 41.4%
Maximum 548,550.0 cfs
2014-04-17

About the connecticut river


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.

Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Connecticut R Below Indian Stream Nr Pittsburg
USGS 01129200
279 cfs 2.63 ft 0
Connecticut River At North Stratford
USGS 01129500
625 cfs 3.45 ft 0
Connecticut River Near Dalton
USGS 01131500
1010 cfs 7.83 ft 0
Connecticut River At Wells River
USGS 01138500
2050 cfs 2.84 ft 12.64
Connecticut River At West Lebanon
USGS 01144500
1070 cfs 3.95 ft 0
Connecticut River At North Walpole
USGS 01154500
1500 cfs 5.86 ft 0
Connecticut River At Montague City
USGS 01170500
2150 cfs 6.51 ft -9.28
Connecticut R At Interstate 391 Bridge At Holyoke
USGS 01172010
3150 cfs 4.7 ft 0.64
Connecticut River At Thompsonville
USGS 01184000
4190 cfs 7.83 ft 9.97
Connecticut R At Middle Haddam
USGS 01193050
14000 cfs 0.39 ft -7.28

Peak Annual Discharge

Connecticut River Maximum Total Discharge

Seasonal Comparison

Connecticut River Year Over Year Discharge


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