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Earl Reservoir Dam
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Earl Reservoir Dam Share
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Overview Share
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Highland Mills, New York
Local government owned
Built in 1912

Earl Reservoir Dam is built on the Tr-Woodbury Creek River and is located in Highland Mills, New York. It was built in 1912 for the purpose of recreation.

The dam is owned by the local government.

Earl Reservoir Dam
Highland Mills, New York, U.S.
Dam type
Dam type
Foundation type
Core type
Ownership Share
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Town of Woodbury
Local government

Earl Reservoir Dam is owned by the local government.

Construction Share
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Tr-Woodbury Creek River
River built on
Earl Reservoir Dam was built in 1912.
Metrics Share
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Dam length 460 feet
Dam height 26 feet
Max discharge 1,928 cubic feet per second
Max storage 172 acre feet
Normal storage 122 acre feet
Surface area 16 acres
Drainage area 1 square miles
460 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.

26 feet
Dam height

Height of the dam is defined as the vertical distance between the lowest point on the crest of the dam and the lowest point in the original streambed.

1,928 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.

172 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.

122 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.

16 acres
Surface area

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

1 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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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.

Most recent inspection date

Inspections are every 2 years.

About Share
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Latitude 41
Longitude -74
NID ID (National ID) NY00203

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