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Murphy Dam
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Overview Share
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Ranch House, Oregon
Irrigation
Federal ownership
Built in 1948

Murphy Dam is a gravity dam built on the Bendire Creek River and is located in Ranch House, Oregon. It was built in 1948 for the purpose of irrigation.

The dam is under federal ownership and is owned by the Doi BLM.

Location
Murphy Dam
Ranch House, Oregon, U.S.
Dam type
Gravity
Dam type
Irrigation
Purpose
Unknown
Foundation type
Earth
Core type
Ownership Share
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Doi BLM
Owner
Federal

Murphy Dam is under federal ownership and is owned by the Doi BLM.

Construction Share
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1948
Completed
Bendire Creek River
River built on
Murphy Dam was built in 1948.
Metrics Share
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Summary
Dam length 340 feet
Dam height 100 feet
Structural height 100 feet
Hydraulic height 95 feet
Normal storage 1,203 acre feet
340 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.

100 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.

100 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.

95 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.

1,203 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.

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Low
Downstream potential hazard

Dams assigned the low hazard potential classification are those where failure or misoperation results in no probable loss of human life and low economic and/or environ-mental losses. Losses are principally limited to the owner’s property.

Not required
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.

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Latitude 43
Longitude -118
NID ID (National ID) OR00194

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