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George B. Stevenson Dam
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Pennsylvania
State owned
Built in 1956

George B. Stevenson Dam is an earth dam built on the First Fork Sinnemahoning Creek River and is located in Pennsylvania. It was built in 1956 .

The state-owned dam is owned by the DCNR.

Location
George B. Stevenson Dam
Pennsylvania, U.S.
Dam type
Earth
Dam type
Other
Purpose
Unknown
Foundation type
Unknown
Core type
Ownership Share
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DCNR
Owner
State

The state-owned dam is owned by the DCNR.

Construction Share
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1956
Completed
First Fork Sinnemahoning Creek River
River built on
George B. Stevenson Dam was built in 1956.
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Summary
Dam length 1,925 feet
Dam height 166 feet
Max storage 127,000 acre feet
Normal storage 2,000 acre feet
Surface area 142 acres
Drainage area 243 square miles
1,925 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.

166 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.

127,000 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.

2,000 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.

142 acres
Surface area

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

243 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.

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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.

10/31/2017
Most recent inspection date

Inspections are every 1 ear.

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Latitude 41
Longitude -78
NID ID (National ID) PA00914

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