Perch Lake Dam
Perch Lake Dam is an earth dam located in McPherson County, South Dakota, built in 1977. It carries a Low hazard potential classification and has a poor condition assessment.
About Perch Lake Dam
The primary purpose of Perch Lake Dam is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Us Fish And Wildlife Service (federal). It impounds the Drainage-tr.
The dam stands 26 feet tall and stretches 350 feet across, creates a reservoir covering 34 acres, has a maximum storage capacity of 472 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1977, the structure is 49 years old.
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. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 10/21/2020.
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Location
| State | South Dakota |
| County | McPherson |
| River/Stream | Drainage-tr |
| Coordinates | 45.63500, -99.17667 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 350 ft |
| Year Completed | 1977 (49 years old) |
Storage & Hydraulics
| NID Storage | 472 acre-ft |
| Max Storage | 472 acre-ft |
| Normal Storage | 230 acre-ft |
| Surface Area | 34 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 2,292 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | US FISH AND WILDLIFE SERVICE |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 10/21/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02249 |
| Federal ID | SD02249 |
| More Info | State Dam Safety Program |