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Lake Nessmuk (Pa-601) Dam
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Lake Nessmuk (Pa-601) Dam Share
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Overview Share
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State owned
Built in 1968

Lake Nessmuk (Pa-601) Dam is an earth dam built on the Morris Branch Marsh Creek River and is located in Pennsylvania. It was built in 1968 .

The state-owned dam is owned by the PA Fish & Boat Commission.

Lake Nessmuk (Pa-601) Dam
Pennsylvania, U.S.
Dam type
Dam type
Foundation type
Core type
Ownership Share
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PA Fish & Boat Commission

The state-owned dam is owned by the PA Fish & Boat Commission.

Construction Share
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Morris Branch Marsh Creek River
River built on
Lake Nessmuk (Pa-601) Dam was built in 1968.
Metrics Share
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Dam length 870 feet
Dam height 52 feet
Max storage 1,453 acre feet
Normal storage 572 acre feet
Surface area 60 acres
Drainage area 2 square miles
870 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.

52 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.

1,453 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.

572 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.

60 acres
Surface area

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

2 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 1 ear.

About Share
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Latitude 41
Longitude -77
NID ID (National ID) PA00032

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