Total streamflow across the
Connecticut River
was last observed at
153,131
cfs, and is expected to yield approximately
303,732
acre-ft of water today; about 123%
of normal.
River levels are high.
Average streamflow for this time of year is
124,624 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 40,900 cfs.
However, the streamgauge with the highest stage along the river is the
Connecticut River At Montague City
with a gauge stage of 13.86 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 | 2026-03-25 |
| Discharge Volume | 303,732 ACRE-FT |
| Streamflow |
153,131.0 cfs
-28274.0 cfs (-15.59%) |
| Percent of Normal | 122.87% |
| Maximum |
548,550.0 cfs
2014-04-17 |
| Seasonal Avg | 124,624 cfs |
| Streamgauge | Streamflow | Gauge Stage | 24hr Change (%) | % Normal | Minimum (cfs) | Maximum (cfs) | Air Temp | Elevation |
|---|---|---|---|---|---|---|---|---|
|
Connecticut R Below Indian Stream Nr Pittsburg
USGS 01129200 |
341 cfs | 2.78 ft | -3.94 | |||||
|
Connecticut River At North Stratford
USGS 01129500 |
1260 cfs | 4.17 ft | -11.27 | |||||
|
Connecticut River Near Dalton
USGS 01131500 |
2710 cfs | 9.59 ft | -10.56 | |||||
|
Connecticut River At Wells River
USGS 01138500 |
7790 cfs | 4.9 ft | -11.48 | |||||
|
Connecticut River At West Lebanon
USGS 01144500 |
8130 cfs | 7.55 ft | -37.94 | |||||
|
Connecticut River At North Walpole
USGS 01154500 |
17600 cfs | 12.69 ft | 0.57 | |||||
|
Connecticut River At Montague City
USGS 01170500 |
20500 cfs | 13.86 ft | -34.29 | |||||
|
Connecticut R At Interstate 391 Bridge At Holyoke
USGS 01172010 |
25200 cfs | 12.06 ft | -24.1 | |||||
|
Connecticut River At Thompsonville
USGS 01184000 |
28700 cfs | 10.61 ft | -23.26 | |||||
|
Connecticut R At Middle Haddam
USGS 01193050 |
40900 cfs | 4.38 ft | 15.54 |
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.