Cole Dam
Cole Dam is an earth dam located in Perkins County, South Dakota, built in 1934. It carries a Low hazard potential classification.
About Cole Dam
The primary purpose of Cole 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.
The dam stands 25 feet tall and stretches 530 feet across, and has a maximum storage capacity of 135 acre-feet. Completed in 1934, 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 11/17/2018.
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Location
| State | South Dakota |
| County | Perkins |
| Nearest City | None |
| River/Stream | Tr-grand |
| Coordinates | 45.71885, -102.52148 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 530 ft |
| Year Completed | 1934 (92 years old) |
Storage & Hydraulics
| NID Storage | 135 acre-ft |
| Max Storage | 135 acre-ft |
| Normal Storage | 102 acre-ft |
| Max Discharge | 240 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | S&PL |
| Owner Type | State |
| Hazard Classification | Low |
| Last Inspection | 11/17/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD00919 |
| Federal ID | SD00919 |
| More Info | State Dam Safety Program |