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Cottonw Ood-Walnut Site #8 Dam
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Cottonw Ood-Walnut Site #8 Dam Share
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Cottonwood, New Mexico
Flood Control
Local government owned
Built in 1988

Cottonw Ood-Walnut Site #8 Dam is an earth dam built on the Cottonwood Creek River and is located in Cottonwood, New Mexico. It was built in 1988 and modified in 1999 for the purpose of flood control.

The dam is owned by the local government.

Location
Cottonw Ood-Walnut Site #8 Dam
Cottonwood, New Mexico, U.S.
Dam type
Earth
Dam type
Flood control
Purpose
Unknown
Foundation type
Unknown
Core type
Ownership Share
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Cottonwood-Walnut Creek Watershed District
Owner
Local government

Cottonw Ood-Walnut Site #8 Dam is owned by the local government.

Construction Share
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1988
Completed
1999
Modified
Meurer, Serafini and Meurer; USDA NRCS
Dam designer
Cottonwood Creek River
River built on
Cottonw Ood-Walnut Site #8 Dam was built in 1988 and modified in 1999.
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Summary
Dam length 8,832 feet
Dam height 61 feet
Structural height 71 feet
Hydraulic height 61 feet
Max discharge 70,244 cubic feet per second
Max storage 13,699 acre feet
Drainage area 60 square miles
8,832 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.

61 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.

71 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.

61 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.

70,244 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.

13,699 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.

60 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.

4/1/2015
Most recent inspection date

Inspections are every 3 years.

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Former name 0
Latitude 32
Longitude -104
NID ID (National ID) NM00501

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