Spring-bull 3
Spring-bull 3 is an earth dam located in Charles Mix County, South Dakota, built in 1973. It carries a Low hazard potential classification.
About Spring-bull 3
The primary purpose of Spring-bull 3 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Spring-bull Watershed Dist. (local government). It impounds the Spring Creek near Springfield.
The dam stands 38 feet tall and stretches 850 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 779 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1973, 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.
At 38 feet, this dam is taller than 85% of dams nationwide.
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Location
| State | South Dakota |
| County | Charles Mix |
| Nearest City | Springfield |
| River/Stream | Spring Creek |
| Coordinates | 42.94097, -98.26182 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 38 ft |
| Dam Height | 38 ft |
| Dam Length | 850 ft |
| Year Completed | 1973 (53 years old) |
Storage & Hydraulics
| NID Storage | 779 acre-ft |
| Max Storage | 779 acre-ft |
| Normal Storage | 431 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 1,270 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | SPRING-BULL WATERSHED DIST. |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02299 |
| Federal ID | SD02299 |
| More Info | State Dam Safety Program |