Lake Dakotah
Lake Dakotah is an earth dam located in Hand County, South Dakota, built in 1938. It carries a Low hazard potential classification.
About Lake Dakotah
The primary purpose of Lake Dakotah is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Gf&p (state). It impounds the Tr-ree Creek.
The dam stands 31 feet tall and stretches 411 feet across, and has a maximum storage capacity of 211 acre-feet. Completed in 1938, 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. The most recent inspection on record was 10/18/2022.
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Location
| State | South Dakota |
| County | Hand |
| Nearest City | None |
| River/Stream | Tr-ree Creek |
| Coordinates | 44.45786, -99.08700 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 411 ft |
| Year Completed | 1938 (88 years old) |
Storage & Hydraulics
| NID Storage | 211 acre-ft |
| Max Storage | 211 acre-ft |
| Normal Storage | 90 acre-ft |
| Max Discharge | 936 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | GF&P |
| Owner Type | State |
| Hazard Classification | Low |
| Last Inspection | 10/18/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD00757 |
| Federal ID | SD00757 |
| More Info | State Dam Safety Program |