impoundment
Impoundment may refer to:
Water control
* The result of a dam, creating a body of water
** A reservoir, formed by a dam
** Coal slurry impoundment, a specialized form of such a reservoir used for coal mining and processing
* Impounded dock, an enc ...
on the
Ashuelot River
The Ashuelot River is a tributary of the Connecticut River, approximately long, in southwestern New Hampshire in the United States. It drains a mountainous area of , including much of the area known as the Monadnock Region. It is the longest tri ...
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 ...
, United States, in the town of Surry.
The reservoir was built to protect downstream communities, such as Keene, from flooding. Surry Mountain Dam was built by the
United States Army Corps of Engineers
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in 1941 as an earthen rock-fill structure. Its height is , its length is at the crest, with a maximum capacity of 44,000
acre-feet
The acre-foot is a non- SI unit of volume equal to about commonly used in the United States in reference to large-scale water resources, such as reservoirs, aqueducts, canals, sewer flow capacity, irrigation water, and river flows.
An acre-f ...
and a normal capacity of 1,320 acre-feet. Both dam and reservoir are owned by the Corps of Engineers.
The lake is classified as a warmwater fishery, with observed species including
rainbow trout
The rainbow trout (''Oncorhynchus mykiss'') is a species of trout native to cold-water tributaries of the Pacific Ocean in Asia and North America. The steelhead (sometimes called "steelhead trout") is an anadromous (sea-run) form of the coasta ...
,
brown trout
The brown trout (''Salmo trutta'') is a European species of salmonid fish that has been widely introduced into suitable environments globally. It includes purely freshwater populations, referred to as the riverine ecotype, ''Salmo trutta'' morph ...
largemouth bass
The largemouth bass (''Micropterus salmoides'') is a carnivorous freshwater gamefish in the Centrarchidae ( sunfish) family, a species of black bass native to the eastern and central United States, southeastern Canada and northern Mexico, but ...
,
chain pickerel
The chain pickerel (''Esox niger'') is a species of freshwater fish in the pike family (family Esocidae) of order Esociformes. The chain pickerel and the American pickerel (''E. americanus'') belong to the ''Esox'' genus of pike.
Taxonomy
French ...
,
horned pout
The brown bullhead (''Ameiurus nebulosus'') is a fish of the family Ictaluridae that is widely distributed in North America. It is a species of bullhead catfish and is similar to the black bullhead (''Ameiurus melas'') and yellow bullhead (''Am ...
, and
black crappie
The black crappie (''Pomoxis nigromaculatus'') is a freshwater fish found in North America, one of the two types of crappies. It is very similar to the white crappie in size, shape, and habits, except that it is darker, with a pattern of black sp ...
.
See also
*
List of lakes in New Hampshire
This is a list of lakes and ponds in the U.S. state of New Hampshire. The New Hampshire Department of Environmental Services lists 944 lakes and impoundments in their ''Official List of Public Waters''. The water bodies that are listed include natu ...