The Piscataquog River is a
New Hampshire GRANIT state geographic information system
/ref> river
A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river. In some cases, a river flows into the ground and becomes dry at the end of its course without reaching another body of w ...
located in southern New Hampshire
New Hampshire is a state in the New England region of the northeastern United States. It is bordered by Massachusetts to the south, Vermont to the west, Maine and the Gulf of Maine to the east, and the Canadian province of Quebec to the nor ...
in the United States
The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territori ...
. It is a tributary
A tributary, or affluent, is a stream or river that flows into a larger stream or main stem (or parent) river or a lake. A tributary does not flow directly into a sea or ocean. Tributaries and the main stem river drain the surrounding drai ...
of the Merrimack River
The Merrimack River (or Merrimac River, an occasional earlier spelling) is a river in the northeastern United States. It rises at the confluence of the Pemigewasset and Winnipesaukee rivers in Franklin, New Hampshire, flows southward into M ...
, which flows to the Gulf of Maine.
The Piscataquog River begins at the outlet of Deering Reservoir, a lake in Deering, New Hampshire. The river takes a winding course north, then east, then south, then east again through Hillsborough County to reach the Merrimack River in Manchester
Manchester () is a city in Greater Manchester, England. It had a population of 552,000 in 2021. It is bordered by the Cheshire Plain to the south, the Pennines to the north and east, and the neighbouring city of Salford to the west. The t ...
. On its way, it passes through the town of Weare, where it is impounded in two reservoirs
A reservoir (; from French ''réservoir'' ) is an enlarged lake behind a dam. Such a dam may be either artificial, built to store fresh water or it may be a natural formation.
Reservoirs can be created in a number of ways, including control ...
— Weare Reservoir (or "Lake Horace") and Everett Lake. Everett Lake is part of the watershed-spanning Hopkinton-Everett flood control
Flood control methods are used to reduce or prevent the detrimental effects of flood waters."Flood Control", MSN Encarta, 2008 (see below: Further reading). Flood relief methods are used to reduce the effects of flood waters or high water level ...
reservoir — a canal crossing the drainage divide connects Everett Lake to Hopkinton Reservoir, which impounds the Contoocook River.
The Piscataquog proceeds south from the Everett Dam along the eastern side of Weare, entering Goffstown shortly before the river's junction with the South 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.
See also
*List of rivers of New Hampshire
This is a list of rivers and significant streams in the U.S. state of New Hampshire.
All watercourses named "River" (freshwater or tidal) are listed here, as well as other streams which are either subject to thNew Hampshire Comprehensive Shorelan ...
References
{{authority control
Tributaries of the Merrimack River
Rivers of New Hampshire
Rivers of Merrimack County, New Hampshire
Rivers of Hillsborough County, New Hampshire