Following is a list of dams and reservoirs in New Hampshire. All major dams are linked below. The National Inventory of Dams defines any "major dam" as being tall with a storage capacity of at least , or of any height with a storage capacity of .

Dams and reservoirs in New Hampshire

:''This list is incomplete. You can help Wikipedia by expanding it.'' * Ayers Island Dam,

Ayers Island Reservoir The Ayers Island Reservoir is an impoundment located on the Pemigewasset River in central New Hampshire, United States, in the towns of Bristol Bristol () is a City status in the United Kingdom, city, Ceremonial counties of England, ceremon ...

, Public Service Company Of New Hampshire * Bellamy Reservoir Dam,

Bellamy Reservoir Bellamy Reservoir is a impoundment located in Strafford County in eastern New Hampshire, United States, in the town of Madbury. An eastern arm of the lake extends a short distance into Dover. The reservoir serves as the primary water supply fo ...

, City of

Portsmouth, New Hampshire Portsmouth is a city in Rockingham County, New Hampshire, United States. At the 2020 census it had a population of 21,956. A historic seaport and popular summer tourist destination on the Piscataqua River bordering the state of Maine, Portsmou ...

Blackwater Dam Blackwater Dam is a dam in the town of Webster, Merrimack County, New Hampshire. The earthen dam was constructed in 1941 by the United States Army Corps of Engineers with a height of and long at its crest. It impounds the Blackwater River for ...

Blackwater Reservoir The Blackwater Reservoir is a reservoir created behind a dam in the mountains above Kinlochleven, Lochaber, Highland, Scotland. The dam is long, the longest in the Highlands. The hydroelectric scheme was constructed in the early 1900s for the ...

United States Army Corps of Engineers , colors = , anniversaries = 16 June (Organization Day) , battles = , battles_label = Wars , website = , commander1 = ...

* Deering Dam,

Deering Reservoir Deering Reservoir is a water body located in Hillsborough County in southern New Hampshire, United States, in the town of Deering. The lake serves as the headwaters to the Piscataquog River, which flows east to the Merrimack River in Manchester. ...

, New Hampshire Water Resources Council * Everett Dam, Hopkinton-Everett Reservoir, USACE * Frank D. Comerford Dam,

Comerford Reservoir Comerford Reservoir is a impoundment located on the Connecticut River on the boundary between Vermont and New Hampshire in the United States. The reservoir is formed by the Frank D. Comerford Dam in the towns of Monroe, New Hampshire, and Barnet, ...

TransCanada Corporation TC Energy Corporation (formerly TransCanada Corporation) is a major North American energy company, based in the TC Energy Tower building in Calgary, Alberta, Canada, that develops and operates energy infrastructure in Canada, the United States, ...

(on Vermont border) *

Franklin Falls Dam The Franklin Falls Dam is located on the Pemigewasset River in the city of Franklin, New Hampshire, in the United States. The dam was constructed between 1939 and 1943 by the Army Corps of Engineers and extends for across the river. During its ...

, Franklin Falls Reservoir, USACE * Franklin Pierce Dam, Franklin Pierce Lake, Public Service Company Of New Hampshire * Hopkinton Dam, Hopkinton-Everett Reservoir, USACE * Jericho Pond Dam, Jericho Lake, privately owned * Edward MacDowell Dam, Edward MacDowell Lake, USACE * McIndoes Dam,

McIndoes Reservoir McIndoes Reservoir is a impoundment on the Connecticut River on the boundary between Vermont and New Hampshire in northern New England. The dam forming the reservoir lies between the communities of McIndoe Falls, Vermont, and Monroe, New Hampshire ...

(on Vermont border) * Meadow Pond Dam (failed), privately owned *

Moore Dam Moore Dam is a major hydroelectric dam on the Upper Connecticut River between Grafton County, New Hampshire and Caledonia County, Vermont in the northeastern United States. The dam is located near Littleton, New Hampshire, and forms the Moo ...

Moore Reservoir Moore Reservoir is an impoundment on the Connecticut River located in the communities of Littleton, New Hampshire; Dalton, New Hampshire; Waterford, Vermont; and Concord, Vermont. It occupies approximately . It was created by the completion of ...

(on Vermont border) * Murphy Dam, Lake Francis, New Hampshire Water Resources Council * Otter Brook Dam, Otter Brook Reservoir, USACE * Pontook Dam,

Pontook Reservoir Pontook Reservoir is a impoundment on the Androscoggin River in Coos County in northern New Hampshire, United States. The dam and impoundment are located in the town of Dummer. The reservoir was created for hydroelectric power generation. See ...

, New Hampshire Water Resources Council * Surry Mountain Dam, Surry Mountain Lake, USACE * Weare Dam, Weare Reservoir, New Hampshire Water Resources Council *

Wheeler Dam Wheeler Dam is a hydroelectric dam on the Tennessee River between Lauderdale County and Lawrence County in Alabama. It is one of nine dams on the river owned and operated by the Tennessee Valley Authority, which built the dam in the mid-1930s as ...

Arlington Mill Reservoir Arlington Mill Reservoir, known locally as "Arlington Pond", is a New Hampshire GRANIT state geograph ...

, Town of

Salem, New Hampshire Salem is a town in Rockingham County, New Hampshire, United States. The population was 30,089 at the 2020 census. Being located on Interstate 93 as the first town in New Hampshire, which lacks any state sales tax, Salem has grown into a commer ...

References

{{Dams and reservoirs in US * *

New Hampshire New Hampshire is a U.S. state, 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 t ...

Dams A dam is a barrier that stops or restricts the flow of surface water or underground streams. Reservoirs created by dams not only suppress floods but also provide water for activities such as irrigation, human consumption, industrial use, ...