Perch Lake
Perch Lake is an earth dam located in Blue Earth County, Minnesota, built in 1973. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Perch Lake
The primary purpose of Perch Lake 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 Mndnr-fisheries (state). It impounds the Cobb River-tr near Beauford.
The dam stands 8 feet tall and stretches 3 feet across, creates a reservoir covering 310 acres, has a maximum storage capacity of 2,844 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1973, the structure is well into its service life at over 50 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 11/07/2018.
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Location
| State | Minnesota |
| County | Blue Earth |
| Nearest City | Beauford |
| River/Stream | Cobb River-tr |
| Coordinates | 43.99069, -93.89967 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 3 ft |
| Year Completed | 1973 (53 years old) |
Storage & Hydraulics
| NID Storage | 2,844 acre-ft |
| Max Storage | 2,844 acre-ft |
| Normal Storage | 555 acre-ft |
| Surface Area | 310 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 25 cfs |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | MNDNR-Fisheries |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 11/07/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN00136 |
| Federal ID | MN00136 |
| More Info | State Dam Safety Program |