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Potacocawa Watershed Structure Y-31A-11 Dam
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Potacocawa Watershed Structure Y-31A-11 Dam Share
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Overview Share
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Jefferson, Mississippi
Flood Control
Local government owned
Built in 1966

Potacocawa Watershed Structure Y-31A-11 Dam is an earth dam built on the Billups Creek River and is located in Jefferson, Mississippi. It was built in 1966 for the purpose of flood control.

The dam is owned by the local government. It is also known as Gregory Dam.

Location
Potacocawa Watershed Structure Y-31A-11 Dam
Jefferson, Mississippi, U.S.
Dam type
Earth
Dam type
Flood control
Purpose
Unknown
Foundation type
Unknown
Core type
Ownership Share
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Potacocowa CR DD
Owner
Local government

Potacocawa Watershed Structure Y-31A-11 Dam is owned by the local government.

Construction Share
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1966
Completed
USDA NRCS
Dam designer
Billups Creek River
River built on
Potacocawa Watershed Structure Y-31A-11 Dam was built in 1966.
Metrics Share
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Summary
Dam height 38 feet
Max storage 1,770 acre feet
Surface area 54 acres
Drainage area 4 square miles
38 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.

1,770 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.

54 acres
Surface area

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

4 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.

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.

About Share
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Also known as Gregory Dam
Former name 0
Latitude 33
Longitude -89
NID ID (National ID) MS01079

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