Contoocook River

Surface Flows Hydrology Weather

Contoocook River Levels

June 9 2023


Discharge Volume Today
-31.0 cfs (-6.15%) since yesterday
39.52% of normal Very Low

Total streamflow across the Contoocook River was last observed at 473 cfs, and is expected to yield approximately 938 acre-ft of water today; about 40% of normal. River levels are low and may signify a drought. Average streamflow for this time of year is 1197 cfs, with recent peaks last observed at 10,670 cfs on 2018-11-04.

Maximum discharge along the river is currently at the Contoocook R Bl Hopkinton Dam At W Hopkinton reporting a streamflow rate of 235 cfs. However, the deepest point on the river is located at the Contoocook River Near Henniker with a gage stage of 5.42 ft. This river is monitored from 3 different streamgauging stations along the Contoocook River, the highest being perched at an elevation of 751 ft, the Contoocook River At Peterborough.

River Summary: 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.

Last Updated 2023-06-09
Streamflow 473.1 cfs
Percent Normal 39.52%
Maximum 10,670.0 cfs

Contoocook River Peak Annual Discharge

Contoocook River maximum total discharge

Contoocook River Seasonal Comparison

Year over year discharge

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