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Rocky River Gated Spillway Dam
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Rocky River Gated Spillway Dam Share
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, South Carolina
Local government owned
Built in 1940

Rocky River Gated Spillway Dam is a buttress dam built on the Rocky River and is located in , South Carolina. It was built in 1940 .

The dam is owned by the local government.

Location
Rocky River Gated Spillway Dam
, South Carolina, U.S.
Dam type
Buttress
Dam type
Other
Purpose
Unknown
Foundation type
Unknown
Core type
Ownership Share
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Abbeville, City of
Owner
Local government

Rocky River Gated Spillway Dam is owned by the local government.

Construction Share
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1940
Completed
Rocky River
River built on
Rocky River Gated Spillway Dam was built in 1940.
Metrics Share
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Summary
Dam length 88 feet
Dam height 50 feet
Structural height 50 feet
Hydraulic height 19 feet
Max discharge 34,000 cubic feet per second
Max storage 26,300 acre feet
Normal storage 25,650 acre feet
Surface area 1,425 acres
Drainage area 196 square miles
88 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.

50 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.

50 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.

19 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.

34,000 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.

26,300 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.

25,650 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.

1,425 acres
Surface area

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

196 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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Significant
Downstream potential hazard

Dams assigned the significant hazard potential classification are those dams where failure or mis-operation results in no probable loss of human life but can cause economic loss, environment damage, disruption of lifeline facilities, or impact other concerns. Significant hazard potential classification dams are often located in predominantly rural or agricultural areas but could be located in areas with population and significant infrastructure.

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.

12/5/2017
Most recent inspection date

Inspections are every 1 ear.

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Latitude 34
Longitude -82
NID ID (National ID) SC00247

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