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Lewis Dam
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Lewis Dam Share
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Overview Share
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Wyoming
Irrigation
Privately owned
Built in 1948

Lewis Dam is an earth dam built on the Gypsum Creek Offstream River and is located in Wyoming. It was built in 1948 for the purpose of irrigation.

The dam is privately owned by Tim Woods & Samantha Wright.

Location
Lewis Dam
Wyoming, U.S.
Dam type
Earth
Dam type
Irrigation
Purpose
Unknown
Foundation type
Unknown
Core type
Ownership Share
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Tim Woods & Samantha Wright
Owner
Private

Lewis Dam is privately owned by Tim Woods & Samantha Wright.

Construction Share
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1948
Completed
Gypsum Creek Offstream River
River built on
Lewis Dam was built in 1948.
Metrics Share
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Summary
Dam length 1,540 feet
Dam height 19 feet
Structural height 19 feet
Hydraulic height 15 feet
Normal storage 122 acre feet
Surface area 19 acres
1,540 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.

19 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.

19 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.

15 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.

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.

19 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.

5/31/2017
Most recent inspection date

Inspections are every 5 years.

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Latitude 44
Longitude -108
NID ID (National ID) WY01740

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