Vessey Dam
Vessey Dam is an earth dam located in Harding County, South Dakota, built in 1935. It carries a Low hazard potential classification.
About Vessey Dam
The primary purpose of Vessey 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 Tr-grand River.
The dam stands 21 feet tall and stretches 475 feet across, and has a maximum storage capacity of 67 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 12/19/2018.
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Location
| State | South Dakota |
| County | Harding |
| Nearest City | None |
| River/Stream | Tr-grand River |
| Coordinates | 45.88002, -103.13078 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 475 ft |
| Year Completed | 1935 (91 years old) |
Storage & Hydraulics
| NID Storage | 67 acre-ft |
| Max Storage | 67 acre-ft |
| Normal Storage | 54 acre-ft |
| Max Discharge | 325 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | S&PL |
| Owner Type | State |
| Hazard Classification | Low |
| Last Inspection | 12/19/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD01208 |
| Federal ID | SD01208 |
| More Info | State Dam Safety Program |