Sundell Dam
Sundell Dam is an earth dam located in Tripp County, South Dakota, built in 1935. It carries a Low hazard potential classification.
About Sundell Dam
The primary purpose of Sundell Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by S&pl (state). It impounds the Sand Creek.
The dam stands 20 feet tall and stretches 1,260 feet across, and has a maximum storage capacity of 240 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 12/21/2023.
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Location
| State | South Dakota |
| County | Tripp |
| Nearest City | None |
| River/Stream | Sand Creek |
| Coordinates | 43.07242, -100.17406 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 1,260 ft |
| Year Completed | 1935 (91 years old) |
Storage & Hydraulics
| NID Storage | 240 acre-ft |
| Max Storage | 240 acre-ft |
| Normal Storage | 224 acre-ft |
| Max Discharge | 2,160 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | S&PL |
| Owner Type | State |
| Hazard Classification | Low |
| Last Inspection | 12/21/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD00557 |
| Federal ID | SD00557 |
| More Info | State Dam Safety Program |