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Cold Brook Dam
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Cold Brook Dam Share
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Overview Share
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Hot Springs, South Dakota
Flood Control
Federal ownership
Built in 1953

Cold Brook Dam is an earth dam built on the Cold Brook Creek River and is located in Hot Springs, South Dakota. It was built in 1953 for the purpose of flood control.

The dam is under federal ownership and is owned by the Cenwo. It is also known as Cold Brook Lake.

Location
Cold Brook Dam
Hot Springs, South Dakota, U.S.
Dam type
Earth
Dam type
Flood control
Purpose
Unknown
Foundation type
Unknown
Core type
Ownership Share
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Cenwo
Owner
Federal

Cold Brook Dam is under federal ownership and is owned by the Cenwo.

Construction Share
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1953
Completed
Cenwo
Dam designer
Cold Brook Creek River
River built on
Cold Brook Dam was built in 1953.
Metrics Share
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Summary
Dam length 925 feet
Structural height 130 feet
Hydraulic height 122 feet
Max discharge 80,600 cubic feet per second
Max storage 7,200 acre feet
Normal storage 520 acre feet
Surface area 36 acres
Drainage area 71 square miles
925 feet
Dam length

Length of the dam is defined as the length along the top of the dam. This also includes the spillway, powerplant, navigation lock, fish pass, etc., where these form part of the length of the dam. If detached from the dam, these structures should not be included.

130 feet
Structural height

Structural height of the dam is defined as the vertical distance from the lowest point of the excavated foundation to the top of the dam. Top of dam refers to the parapet wall and not the crest.

122 feet
Hydraulic height

Hydraulic height of the dam is defined as the vertical difference between the maximum design water level and the lowest point in the original streambed.

80,600 cubic feet per second
Max discharge

Number of cubic feet per second the spillway is capable of discharging when the reservoir is at its maximum designed water surface elevation.

7,200 acre feet
Max storage

Maximum storage is defined as the total storage space in a reservoir below the maximum attainable water surface elevation, including any surcharge storage.

520 acre feet
Normal storage

Normal storage is defined as the total storage space in a reservoir below the normal retention level, including dead and inactive storage and excluding any flood control or surcharge storage. For normally dry flood control dams, the normal storage will be a zero value.

36 acres
Surface area

Surface area, in acres, of the impoundment at its normal retention level.

71 square miles
Drainage area

Drainage area of the dam, in square miles, which is defined as the area that drains to a particular point (in this case, the dam) on a river or stream.

Safety Share
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High
Downstream potential hazard

Dams assigned the high hazard potential classification are those where failure or mis-operation will probably cause loss of human life.

Has emergency action plan
Emergency action plan

An emergency action plan is defined as a plan of action to be taken to reduce the potential for property damage and loss of life in an area affected by a dam failure or large flood.

7/13/2015
Most recent inspection date

Inspections are every 5 years.

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Also known as Cold Brook Lake
Distance to nearest town (miles) 1
Latitude 43
Longitude -103
NID ID (National ID) SD01097

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