Mcgowan Dam is an earth dam located in Jerauld County, South Dakota, built in 2006. It carries a Low hazard potential classification.
Dam profile
NID height · 17 ft17 ft tall and 447 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 Mcgowan Dam
The primary purpose of Mcgowan Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Frank Mcgowan (private). It impounds the Tr Smith Creek.
The dam stands 17 feet tall and stretches 447 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 69 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 2006, the structure is relatively new.
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.
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Location
| State | South Dakota |
| County | Jerauld |
| River/Stream | Tr Smith Creek |
| Coordinates | 44.07538, -98.68776 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 447 ft |
| Year Completed | 2006 (20 years old) |
Storage & Hydraulics
| NID Storage | 69 acre-ft |
| Max Storage | 69 acre-ft |
| Normal Storage | 32 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 1,080 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Frank Mcgowan |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02546 |
| Federal ID | SD02546 |
| More Info | State Dam Safety Program |