Lake Louise
Lake Louise is a gravity dam located in Mower County, Minnesota, built in 1900. It carries a Low hazard potential classification and has a fair condition assessment.
About Lake Louise
The primary purpose of Lake Louise is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Mndnr-parks (state). It impounds the Little Iowa River near Leroy.
The dam stands 12 feet tall and stretches 250 feet across, creates a reservoir covering 15 acres, has a maximum storage capacity of 150 acre-feet, and collects water from a drainage area of 64 square miles. Completed in 1900, the structure is over a century 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 05/10/2017.
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Location
| State | Minnesota |
| County | Mower |
| Nearest City | Leroy |
| River/Stream | Little Iowa River |
| Coordinates | 43.52374, -92.51520 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 12 ft |
| Dam Height | 9 ft |
| Dam Length | 250 ft |
| Year Completed | 1900 (126 years old) |
Storage & Hydraulics
| NID Storage | 150 acre-ft |
| Max Storage | 150 acre-ft |
| Normal Storage | 100 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 64 sq mi |
| Max Discharge | 7,509 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | MNDNR-Parks |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 05/10/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN00409 |
| Federal ID | MN00409 |
| More Info | State Dam Safety Program |