Powder Mill Pond is a 419-acre (1.70 km²)^[1] impoundment on the Contoocook River in Hillsborough County in southern New Hampshire, United States. The pond's dam is located in the town of Bennington, with water impounded into the towns of Hancock and Greenfield.

Quick Facts Location, Coordinates ...

Powder Mill Pond
Looking east across the southern part of the pond; view from S. Elmwood Rd. in Hancock, NH
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Location	Hillsborough County, New Hampshire
Coordinates	42°58′10″N 71°55′57″W
Type	Reservoir
Primary inflows	Contoocook River
Primary outflows	Contoocook River
Basin countries	United States
Max. length	2.6 mi (4.2 km)
Max. width	0.5 mi (0.80 km)
Surface area	419 acres (1.70 km2)
Average depth	3 ft (0.91 m)
Max. depth	17 ft (5.2 m)
Surface elevation	677 ft (206 m)
Settlements	Bennington; Hancock; Greenfield

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The lake is classified as a warmwater fishery, with observed species including smallmouth and largemouth bass, chain pickerel, horned pout, black crappie, and bluegill.^[1]

• List of lakes in New Hampshire