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Elmer Reservoir 1 (Union) Dam
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Elmer Reservoir 1 (Union) Dam Share
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NO Downstream Settlement, Oregon
Irrigation
Privately owned
Built in 1966

Elmer Reservoir 1 (Union) Dam is an earth dam built on the Grande Ronde River and is located in NO Downstream Settlement, Oregon. It was built in 1966 for the purpose of irrigation.

The dam is privately owned by John P. Hassinger. It is also known as None.

Location
Elmer Reservoir 1 (Union) Dam
NO Downstream Settlement, Oregon, U.S.
Dam type
Earth
Dam type
Irrigation
Purpose
Unknown
Foundation type
Unknown
Core type
Ownership Share
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John P. Hassinger
Owner
Private

Elmer Reservoir 1 (Union) Dam is privately owned by John P. Hassinger.

Construction Share
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1966
Completed
Grande Ronde River
River built on
Elmer Reservoir 1 (Union) Dam was built in 1966.
Metrics Share
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Summary
Dam length 150 feet
Dam height 16 feet
Structural height 16 feet
Hydraulic height 12 feet
Max storage 128 acre feet
Normal storage 123 acre feet
Surface area 15 acres
150 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.

16 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.

16 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.

12 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.

128 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.

123 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.

15 acres
Surface area

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

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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.

7/27/2011
Most recent inspection date

Inspections are every 6 years.

About Share
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Also known as None
Former name None
Latitude 45
Longitude -117
NID ID (National ID) OR00735

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