Rose Lake
Rose Lake is a dam located in Otter Tail County, Minnesota, built in 1937. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Rose Lake
The primary purpose of Rose Lake is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Mndnr-fisheries (state). It impounds the Otter Tail River - Tr near Perham.
The dam stands 12 feet tall and stretches 40 feet across, creates a reservoir covering 1,177 acres, has a maximum storage capacity of 10,000 acre-feet, and collects water from a drainage area of 7 square miles. Completed in 1937, 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 06/10/1991. That was over 34 years ago.
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Location
| State | Minnesota |
| County | Otter Tail |
| Nearest City | Perham |
| River/Stream | Otter Tail River - Tr |
| Coordinates | 46.66403, -95.74022 |
Physical Characteristics
| NID Height | 12 ft |
| Dam Height | 6 ft |
| Dam Length | 40 ft |
| Year Completed | 1937 (89 years old) |
Storage & Hydraulics
| NID Storage | 10,000 acre-ft |
| Max Storage | 10,000 acre-ft |
| Normal Storage | 2,500 acre-ft |
| Surface Area | 1,177 acres |
| Drainage Area | 7 sq mi |
| Max Discharge | 735 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | MNDNR-Fisheries |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/10/1991 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN00964 |
| Federal ID | MN00964 |
| More Info | State Dam Safety Program |