Cornish Flowage
Cornish Flowage is an earth dam located in Aitkin County, Minnesota, built in 1976. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Cornish Flowage
The primary purpose of Cornish Flowage 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-wildlife (state). It impounds the Savannah River-tr near Libby.
The dam stands 11 feet tall and stretches 38 feet across, creates a reservoir covering 300 acres, has a maximum storage capacity of 2,000 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1976, the structure is 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 08/22/2019.
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Location
| State | Minnesota |
| County | Aitkin |
| Nearest City | Libby |
| River/Stream | Savannah River-tr |
| Coordinates | 46.88688, -93.21769 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Height | 10 ft |
| Dam Length | 38 ft |
| Year Completed | 1976 (50 years old) |
Storage & Hydraulics
| NID Storage | 2,000 acre-ft |
| Max Storage | 2,000 acre-ft |
| Surface Area | 300 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 30 cfs |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | MNDNR-Wildlife |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/22/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN00997 |
| Federal ID | MN00997 |
| More Info | State Dam Safety Program |