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Gann Lake Dam
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Gann Lake Dam Share
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Overview Share
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Pittsville, Missouri
Recreation
Privately owned
Built in 1972

Gann Lake Dam is an earth dam built on the Trib. TO Little Blackwater CR River and is located in Pittsville, Missouri. It was built in 1972 for the purpose of recreation.

The dam is privately owned. It is also known as Gann Lake Dam.

Location
Gann Lake Dam
Pittsville, Missouri, U.S.
Dam type
Earth
Dam type
Recreation
Purpose
Unknown
Foundation type
Unknown
Core type
Ownership Share
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Private
Owner

Gann Lake Dam is privately owned.

Construction Share
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1972
Completed
Usda-Nrcs
Dam designer
Trib. TO Little Blackwater CR River
River built on
Gann Lake Dam was built in 1972.
Metrics Share
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Summary
Dam length 650 feet
Dam height 43 feet
Structural height 43 feet
Max discharge 98 cubic feet per second
Max storage 275 acre feet
Normal storage 275 acre feet
Surface area 15 acres
Drainage area 240 square miles
650 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.

43 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.

43 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.

98 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.

275 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.

275 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.

240 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.

Safety 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.

No 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.

9/3/2015
Most recent inspection date

Inspections are every 5 years.

About Share
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Also known as Gann Lake Dam
Latitude 38
Longitude -93
NID ID (National ID) MO20637

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