Mcgee Dam

Mcgee Dam is an earth dam located in Corson County, South Dakota, built in 1934. It carries a Low hazard potential classification.

About Mcgee Dam

The primary purpose of Mcgee Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by S&pl (state). It impounds the Tr-iron Dog near Bullhead.

The dam stands 21 feet tall and stretches 1,177 feet across, creates a reservoir covering 30 acres, has a maximum storage capacity of 397 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1934, 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 11/17/2018.

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Low Hazard ConditionEmergency Action Plan: Not Required

Location

StateSouth Dakota
CountyCorson
Nearest CityBullhead
River/StreamTr-iron Dog
Coordinates45.90966, -101.21293

Physical Characteristics

Dam TypeEarth
NID Height21 ft
Dam Height21 ft
Dam Length1,177 ft
Year Completed1934 (92 years old)

Storage & Hydraulics

NID Storage397 acre-ft
Max Storage397 acre-ft
Normal Storage251 acre-ft
Surface Area30 acres
Drainage Area4 sq mi
Max Discharge512 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerS&PL
Owner TypeState
Hazard ClassificationLow
Last Inspection11/17/2018
Emergency Action PlanNot Required

Identifiers

NID IDSD00730
Federal IDSD00730
More InfoState Dam Safety Program

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