Piscataquog River | |
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![]() Everett Lake and Dam on the Piscataquog River inWeare, NH | |
Location | |
Country | United States |
State | New Hampshire |
County | Hillsborough |
Towns and city | Deering,Weare,New Boston,Goffstown,Manchester |
Physical characteristics | |
Source | Deering Reservoir |
• location | Deering |
• coordinates | 43°3′9″N71°50′23″W / 43.05250°N 71.83972°W /43.05250; -71.83972 |
• elevation | 913 ft (278 m) |
Mouth | Merrimack River |
• location | Manchester |
• coordinates | 42°58′35″N71°28′16″W / 42.97639°N 71.47111°W /42.97639; -71.47111 |
• elevation | 118 ft (36 m) |
Length | 34.7 mi (55.8 km) |
Basin features | |
Tributaries | |
• left | Dudley Brook, Choate Brook, Stark Brook, Gorham Brook |
• right | Center Brook,South Branch Piscataquog River, Bog Brook |
ThePiscataquog River is a 34.7-mile-long (55.8 km)[1]river located in southernNew Hampshire in theUnited States. It is atributary of theMerrimack River, which flows to theGulf of Maine.
The Piscataquog River begins at the outlet ofDeering Reservoir, a lake inDeering, New Hampshire. The river takes a winding course north, then east, then south, then east again throughHillsborough County to reach the Merrimack River inManchester. On its way, it passes through the town ofWeare, where it is impounded in tworeservoirs —Weare Reservoir (or "Lake Horace") and Everett Lake. Everett Lake is part of thewatershed-spanning Hopkinton-Everettflood control reservoir — a canal crossing the drainage divide connects Everett Lake to Hopkinton Reservoir, which impounds theContoocook River.
The Piscataquog proceeds south from the Everett Dam along the eastern side of Weare, enteringGoffstown shortly before the river's junction with theSouth Branch, the Piscataquog's largest tributary. From Goffstown to the river's mouth there are two small reservoirs and several additional dams, each constructed for hydroelectric power or older industrial development. In west Manchester, the Piscataquog passes under the Nazaire Biron Bridge and reaches the Merrimack River just upstream of the Queen City Bridge.