Boy Scouts of America is an earth dam located in Pennington County, South Dakota, built in 1975. It carries a Low hazard potential classification.
Dam profile
NID height · 44 ft44 ft tall and 403 ft long, taller than 89% 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 Boy Scouts of America
The primary purpose of Boy Scouts of America is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Black Hills Area Council (private). It impounds the Spring Creek near Hill City.
The dam stands 44 feet tall and stretches 403 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 254 acre-feet, and collects water from a drainage area of 8 square miles. Completed in 1975, 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. The most recent inspection on record was 07/18/1986. That was over 40 years ago.
At 44 feet, this dam is taller than 89% of dams nationwide.
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Location
| State | South Dakota |
| County | Pennington |
| Nearest City | Hill City |
| River/Stream | Spring Creek |
| Coordinates | 43.89897, -103.73322 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 44 ft |
| Dam Height | 44 ft |
| Dam Length | 403 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 254 acre-ft |
| Max Storage | 254 acre-ft |
| Normal Storage | 72 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 8 sq mi |
| Max Discharge | 4,275 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Black Hills Area Council |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 07/18/1986 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02153 |
| Federal ID | SD02153 |
| More Info | State Dam Safety Program |