Quinnipiac River

Last Updated: April 19, 2026

Total streamflow across the Quinnipiac River was last observed at 161 cfs, and is expected to yield approximately 319 acre-ft of water today; about 46% of normal. River levels are low and may signify a drought. Average streamflow for this time of year is 352 cfs, with recent peaks last observed on 2011-08-29 when daily discharge volume was observed at 3,943 cfs.

Maximum discharge along the river is currently at the Quinnipiac River At Wallingford reporting a streamflow rate of 141 cfs. However, the streamgauge with the highest stage along the river is the Quinnipiac River At Southington with a gauge stage of 3.19 ft. This river is monitored from 2 different streamgauging stations along the Quinnipiac River, the highest being situated at an altitude of 145 ft, the Quinnipiac River At Southington.

The Quinnipiac River is a 45-mile long river located in the eastern part of Connecticut, USA.


15-Day Long Term Forecast


River Details

Last Updated 2026-04-19
Discharge Volume 319 ACRE-FT
Streamflow 161.0 cfs
Past 24 Hours: -11.8 cfs (-6.83%)
Percent of Normal 45.8%
Maximum 3,943.0 cfs
2011-08-29
Seasonal Avg 352 cfs
       
River Streamflow Levels
Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Quinnipiac River At Southington
USGS 01195490
20 cfs 3.19 ft -8.26
Quinnipiac River At Wallingford
USGS 01196500
141 cfs 3.16 ft -6.62
Seasonal Discharge Comparison
Maximum Streamflow Discharge
Streamflow Elevation Profile

The Quinnipiac River is a 45.5-mile (73.2 km) long river in the New England region of the United States, located entirely in the state of Connecticut.
The river rises in West Central Connecticut from Dead Wood Swamp near the city of New Britain. It flows roughly southward to Plainville, Southington, and Cheshire, west of the city of Meriden, through Wallingford and Yalesville, North Haven, and flows into New Haven Harbor, an inlet of Long Island Sound, east of downtown New Haven.