Mcgee Dam is an earth dam located in Corson County, South Dakota, built in 1934. It carries a Low hazard potential classification.
Dam profile
NID height · 21 ft21 ft tall and 1,177 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
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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Location
| State | South Dakota |
| County | Corson |
| Nearest City | Bullhead |
| River/Stream | Tr-iron Dog |
| Coordinates | 45.90966, -101.21293 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 1,177 ft |
| Year Completed | 1934 (92 years old) |
Storage & Hydraulics
| NID Storage | 397 acre-ft |
| Max Storage | 397 acre-ft |
| Normal Storage | 251 acre-ft |
| Surface Area | 30 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 512 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | S&pl |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 11/17/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD00730 |
| Federal ID | SD00730 |
| More Info | State Dam Safety Program |