Robinson Dam

Robinson Dam is an earth dam located in Perkins County, South Dakota, built in 1936. It carries a Low hazard potential classification.

About Robinson Dam

The primary purpose of Robinson Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Allen Robinson (private). It impounds the Tr-grand.

The dam stands 18 feet tall and stretches 350 feet across, and has a maximum storage capacity of 250 acre-feet. Completed in 1936, 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 04/23/2003. That was over 22 years ago.

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Low Hazard ConditionEmergency Action Plan: Not Required

Location

StateSouth Dakota
CountyPerkins
Nearest CityNone
River/StreamTr-grand
Coordinates45.89881, -102.09652

Physical Characteristics

Dam TypeEarth
NID Height18 ft
Dam Height18 ft
Dam Length350 ft
Year Completed1936 (90 years old)

Storage & Hydraulics

NID Storage250 acre-ft
Max Storage250 acre-ft
Normal Storage184 acre-ft
Max Discharge335 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerALLEN ROBINSON
Owner TypePrivate
Hazard ClassificationLow
Last Inspection04/23/2003
Emergency Action PlanNot Required

Identifiers

NID IDSD00923
Federal IDSD00923
More InfoState Dam Safety Program

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