Contoocook River

Streamflow Hydrology Weather


Contoocook River Levels

May 28 2024

1,353 ACRE-FT

Discharge Volume Today
+207.8 cfs (+43.8%) since yesterday
65.97% of normal Low

Total streamflow across the Contoocook River was last observed at 682 cfs, and is expected to yield approximately 1,353 acre-ft of water today; about 66% of normal. River levels are low and may signify a drought. Average streamflow for this time of year is 1,034 cfs, with recent peaks last observed on 2023-07-11 when daily discharge volume was observed at 11,185 cfs.

Maximum discharge along the river is currently at the Contoocook River Near Henniker reporting a streamflow rate of 321 cfs. This is also the highest stage along the Contoocook River, with a gauge stage of 5.94 ft at this location. This river is monitored from 3 different streamgauging stations along the Contoocook River, the highest being situated at an altitude of 751 ft, the Contoocook River At Peterborough.

Last Updated 2024-05-28
Streamflow 682.2 cfs
Percent of Normal 65.97%
Maximum 11,185.0 cfs
2023-07-11

About the contoocook river


The Contoocook River is a 71-mile-long river in New Hampshire, United States. The river flows from its source at the confluence of the Pemigewasset River and Winnipesaukee River in Franklin to its mouth at the Merrimack River in Penacook. The river is an important source of hydroelectric power, with several dams and reservoirs along its length. The largest of these is the Contoocook Hydro project, which includes three dams and three reservoirs. The river also supports a variety of recreational activities, including fishing, kayaking, and canoeing. The Contoocook River is also an important source of water for agriculture and industry in the region. The river has a rich history, with evidence of Native American settlements dating back over 10,000 years.

Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Contoocook River At Peterborough
USGS 01082000
92 cfs 1.81 ft 94.51
Contoocook River Near Henniker
USGS 01085000
321 cfs 5.94 ft 58.91
Contoocook R Bl Hopkinton Dam At W Hopkinton
USGS 01085500
269 cfs 2.01 ft 19.56

Peak Annual Discharge

Contoocook River Maximum Total Discharge

Seasonal Comparison

Contoocook River Year Over Year Discharge


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