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Morton #9-231-34 Dam
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Morton #9-231-34 Dam Share Share

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Edgemont SD, Wyoming
Federal ownership
Built in 1960

Morton #9-231-34 Dam is an earth dam built on the Falcon Draw, Cheyenne River and is located in Edgemont SD, Wyoming. It was built in 1960 .

The dam is under federal ownership and is owned by the USDA FS. It is also known as 231W32. The dam used to be known as Falcon Draw.

Location
Morton #9-231-34 Dam
Edgemont SD, Wyoming, U.S.
Dam type
Earth
Dam type
Other
Purpose
Unknown
Foundation type
Unknown
Core type
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Ownership Share Share
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USDA FS
Owner
Federal

Morton #9-231-34 Dam is under federal ownership and is owned by the USDA FS.

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Construction Share Share
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1960
Completed
Falcon Draw, Cheyenne River
River built on
Morton #9-231-34 Dam was built in 1960.
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Summary
Dam length 985 feet
Dam height 28 feet
Hydraulic height 24 feet
Max discharge 270 cubic feet per second
Max storage 20 acre feet
Surface area 6 acres
985 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.

28 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.

24 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.

270 cubic feet per second
Max discharge

Number of cubic feet per second the spillway is capable of discharging when the reservoir is at its maximum designed water surface elevation.

20 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.

6 acres
Surface area

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

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Safety Share Share
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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.

5/12/2009
Most recent inspection date

Inspections are every 10 years.

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About Share Share
Also known as 231W32
Former name Falcon Draw
Distance to nearest town (miles) 89
Latitude 43
Longitude -109
NID ID (National ID) WY02573
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