Lacreek #10 Dam
Lacreek #10 Dam is an earth dam located in Bennett County, South Dakota, built in 1934. It carries a Low hazard potential classification and has a fair condition assessment.
About Lacreek #10 Dam
The primary purpose of Lacreek #10 Dam is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Us Fish And Wildlife Service (federal). It impounds the Lake Creek.
The dam stands 14 feet tall and stretches 900 feet across, creates a reservoir covering 946 acres, has a maximum storage capacity of 7,690 acre-feet, and collects water from a drainage area of 145 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. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 09/17/2019.
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Location
| State | South Dakota |
| County | Bennett |
| River/Stream | Lake Creek |
| Coordinates | 43.14500, -101.51667 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 14 ft |
| Dam Height | 11 ft |
| Dam Length | 900 ft |
| Year Completed | 1934 (92 years old) |
Storage & Hydraulics
| NID Storage | 7,690 acre-ft |
| Max Storage | 7,690 acre-ft |
| Normal Storage | 3,020 acre-ft |
| Surface Area | 946 acres |
| Drainage Area | 145 sq mi |
| Max Discharge | 627 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | US FISH AND WILDLIFE SERVICE |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 09/17/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD01194 |
| Federal ID | SD01194 |
| More Info | State Dam Safety Program |