Roseau River
Roseau River is an earth dam located in Lake of the Woods County, Minnesota, built in 1932. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Roseau River
The primary purpose of Roseau River is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Mndnr-wildlife (state). It impounds the Roseau River near Pencer.
The dam stands 10 feet tall and stretches 1,700 feet across, has a maximum storage capacity of 250 acre-feet, and collects water from a drainage area of 41 square miles. Completed in 1932, 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 10/16/2024.
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Location
| State | Minnesota |
| County | Lake of the Woods |
| Nearest City | Pencer |
| River/Stream | Roseau River |
| Coordinates | 48.54564, -95.32013 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 1,700 ft |
| Year Completed | 1932 (94 years old) |
Storage & Hydraulics
| NID Storage | 250 acre-ft |
| Max Storage | 250 acre-ft |
| Normal Storage | 210 acre-ft |
| Drainage Area | 41 sq mi |
| Max Discharge | 150 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | MNDNR-Wildlife |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/16/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN00219 |
| Federal ID | MN00219 |
| More Info | State Dam Safety Program |