Potts Dam is an earth dam located in Potter County, South Dakota, built in 1935. It carries a Low hazard potential classification.
Dam profile
NID height · 21 ft21 ft tall and 610 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Potts Dam
The primary purpose of Potts 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-okobojo Creek.
The dam stands 21 feet tall and stretches 610 feet across, and has a maximum storage capacity of 1,260 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 10/20/2022.
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Location
| State | South Dakota |
| County | Potter |
| Nearest City | None |
| River/Stream | Tr-okobojo Creek |
| Coordinates | 44.93009, -99.77945 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 610 ft |
| Year Completed | 1935 (91 years old) |
Storage & Hydraulics
| NID Storage | 1,260 acre-ft |
| Max Storage | 1,260 acre-ft |
| Normal Storage | 384 acre-ft |
| Max Discharge | 2,040 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | S&pl |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 10/20/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD00955 |
| Federal ID | SD00955 |
| More Info | State Dam Safety Program |