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Two Buttes Dam
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Two Buttes Dam Share
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Overview Share
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Holly, Colorado
State owned
Built in 1908

Two Buttes Dam is an earth dam built on the Two Butte Creek River and is located in Holly, Colorado. It was built in 1908 .

The state-owned dam is owned by the Colorado Parks & Wildlife. It is also known as W.D. Purse Reservoir No. 1.

Location
Two Buttes Dam
Holly, Colorado, U.S.
Dam type
Earth
Dam type
Other
Purpose
Unknown
Foundation type
Unknown
Core type
Ownership Share
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Colorado Parks & Wildlife
Owner
State

The state-owned dam is owned by the Colorado Parks & Wildlife.

Construction Share
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1908
Completed
Two Butte Creek River
River built on
Two Buttes Dam was built in 1908.
Metrics Share
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Summary
Dam length 1,864 feet
Dam height 96 feet
Structural height 106 feet
Hydraulic height 63 feet
Max discharge 46,200 cubic feet per second
Max storage 40,654 acre feet
Normal storage 22,165 acre feet
Surface area 1,182 acres
Drainage area 470 square miles
1,864 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.

96 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.

106 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.

63 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.

46,200 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.

40,654 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.

22,165 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.

1,182 acres
Surface area

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

470 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.

10/11/2017
Most recent inspection date

Inspections are every 1 ear.

About Share
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Also known as W.D. Purse Reservoir No. 1
Distance to nearest town (miles) 58
Latitude 37
Longitude -102
NID ID (National ID) CO00759

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