Lakota Dam
Lakota Dam is an earth dam located in Lincoln County, South Dakota, built in 1967. It carries a Low hazard potential classification.
About Lakota Dam
The primary purpose of Lakota Dam 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 Pattee Creek Watershed District (local government). It impounds the Pattee Creek.
The dam stands 46 feet tall and stretches 1,000 feet across, creates a reservoir covering 93 acres, has a maximum storage capacity of 2,034 acre-feet, and collects water from a drainage area of 8 square miles. Completed in 1967, 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 46 feet, this dam is taller than 91% of dams nationwide.
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Location
| State | South Dakota |
| County | Lincoln |
| Nearest City | None |
| River/Stream | Pattee Creek |
| Coordinates | 43.20278, -96.55446 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 46 ft |
| Dam Height | 46 ft |
| Dam Length | 1,000 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 2,034 acre-ft |
| Max Storage | 2,034 acre-ft |
| Normal Storage | 1,100 acre-ft |
| Surface Area | 93 acres |
| Drainage Area | 8 sq mi |
| Max Discharge | 3,250 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | PATTEE CREEK WATERSHED DISTRICT |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02264 |
| Federal ID | SD02264 |
| More Info | State Dam Safety Program |