Tisdale Lake
Tisdale Lake is an earth dam located in Meade County, South Dakota, built in 1935. It carries a Low hazard potential classification.
About Tisdale Lake
The primary purpose of Tisdale Lake 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 Lone Tree Creek.
The dam stands 30 feet tall and stretches 1,090 feet across, creates a reservoir covering 28 acres, and has a maximum storage capacity of 310 acre-feet. Completed in 1935, 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 11/16/2023.
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Location
| State | South Dakota |
| County | Meade |
| Nearest City | None |
| River/Stream | Lone Tree Creek |
| Coordinates | 44.19656, -102.67453 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 1,090 ft |
| Year Completed | 1935 (91 years old) |
Storage & Hydraulics
| NID Storage | 310 acre-ft |
| Max Storage | 310 acre-ft |
| Normal Storage | 230 acre-ft |
| Surface Area | 28 acres |
| Max Discharge | 3,000 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | GF&P |
| Owner Type | State |
| Hazard Classification | Low |
| Last Inspection | 11/16/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD01056 |
| Federal ID | SD01056 |
| More Info | State Dam Safety Program |