Total streamflow across the
Connecticut River
was last observed at
43,700
cfs, and is expected to yield approximately
86,678
acre-ft of water today; about 26%
of normal.
River levels are low and may signify a drought.
Average streamflow for this time of year is
170,313 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 11,000 cfs.
However, the streamgauge with the highest stage along the river is the
Connecticut River At Thompsonville
with a gauge stage of 8.47 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 | 2025-12-26 |
| Discharge Volume | 86,678 ACRE-FT |
| Streamflow |
43,700.0 cfs
-11344.0 cfs (-20.61%) |
| Percent of Normal | 25.66% |
| Maximum |
548,550.0 cfs
2014-04-17 |
| Seasonal Avg | 170,313 cfs |
| Streamgauge | Streamflow | Gauge Stage | 24hr Change (%) | % Normal | Minimum (cfs) | Maximum (cfs) | Air Temp | Elevation |
|---|---|---|---|---|---|---|---|---|
|
Connecticut R Below Indian Stream Nr Pittsburg
USGS 01129200 |
220 cfs | 2.47 ft | -11.29 | |||||
|
Connecticut River At North Stratford
USGS 01129500 |
2650 cfs | 5.2 ft | 180.13 | |||||
|
Connecticut River Near Dalton
USGS 01131500 |
1520 cfs | 8.44 ft | -11.63 | |||||
|
Connecticut River At Wells River
USGS 01138500 |
2090 cfs | 2.88 ft | -2.79 | |||||
|
Connecticut River At West Lebanon
USGS 01144500 |
2590 cfs | 5.12 ft | -16.45 | |||||
|
Connecticut River At North Walpole
USGS 01154500 |
4320 cfs | 7.77 ft | 70.08 | |||||
|
Connecticut River At Montague City
USGS 01170500 |
3720 cfs | 7.59 ft | -65.56 | |||||
|
Connecticut R At Interstate 391 Bridge At Holyoke
USGS 01172010 |
6720 cfs | 6.25 ft | -12.27 | |||||
|
Connecticut River At Thompsonville
USGS 01184000 |
8870 cfs | 8.47 ft | 1.03 | |||||
|
Connecticut R At Middle Haddam
USGS 01193050 |
11000 cfs | 2.09 ft | -35.67 |
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.