Bown Dam is an earth dam located in Stanley County, South Dakota, built in 1957. It carries a Low hazard potential classification.
Dam profile
NID height · 31 ft31 ft tall and 1,084 ft long, taller than 72% of U.S. dams with a recorded height. 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 Bown Dam
The primary purpose of Bown Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Thomas & Diane Bown (private). It impounds the Brush Creek-tr.
The dam stands 31 feet tall and stretches 1,084 feet across, creates a reservoir covering 19 acres, has a maximum storage capacity of 290 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1957, the structure is well into its service life at over 50 years old.
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 | Stanley |
| River/Stream | Brush Creek-tr |
| Coordinates | 44.66666, -100.80166 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 1,084 ft |
| Year Completed | 1957 (69 years old) |
Storage & Hydraulics
| NID Storage | 290 acre-ft |
| Max Storage | 290 acre-ft |
| Normal Storage | 113 acre-ft |
| Surface Area | 19 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 1,620 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Thomas & Diane Bown |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD01590 |
| Federal ID | SD01590 |
| More Info | State Dam Safety Program |