Woodruff

Woodruff is an earth dam located in Hughes County, South Dakota, built in 1937. It carries a Low hazard potential classification.

About Woodruff

The primary purpose of Woodruff is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Gf&p (state). It impounds the South Medicine Creek.

The dam stands 32 feet tall and stretches 975 feet across, and has a maximum storage capacity of 540 acre-feet. Completed in 1937, the structure is well-established, with more than 75 years of service.

This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 08/18/2022.

At 32 feet, this dam is taller than 76% of dams nationwide.

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Low Hazard ConditionEmergency Action Plan: Not Required

Location

StateSouth Dakota
CountyHughes
Nearest CityNone
River/StreamSouth Medicine Creek
Coordinates44.50632, -99.78035

Physical Characteristics

Dam TypeEarth
NID Height32 ft
Dam Height32 ft
Dam Length975 ft
Year Completed1937 (89 years old)

Storage & Hydraulics

NID Storage540 acre-ft
Max Storage540 acre-ft
Normal Storage120 acre-ft
Max Discharge2,500 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerGF&P
Owner TypeState
Hazard ClassificationLow
Last Inspection08/18/2022
Emergency Action PlanNot Required

Identifiers

NID IDSD00025
Federal IDSD00025
More InfoState Dam Safety Program

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