Roseau Lake is an earth dam located in Roseau County, Minnesota, built in 2023. It carries a Low hazard potential classification.
Dam profile
NID height · 12 ft12 ft tall and 69,960 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Roseau Lake
The primary purpose of Roseau 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-wildlife (state). It impounds the Roseau River.
The dam stands 12 feet tall and stretches 69,960 feet across, has a maximum storage capacity of 111,589 acre-feet, and collects water from a drainage area of 1,085 square miles. Completed in 2023, the structure is relatively new.
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.
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Location
| State | Minnesota |
| County | Roseau |
| River/Stream | Roseau River |
| Coordinates | 48.92283, -95.87069 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 69,960 ft |
| Year Completed | 2023 (3 years old) |
Storage & Hydraulics
| NID Storage | 111,589 acre-ft |
| Max Storage | 111,589 acre-ft |
| Normal Storage | 22,000 acre-ft |
| Drainage Area | 1,085 sq mi |
| Max Discharge | 5,626 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Mndnr-wildlife |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN01871 |
| Federal ID | MN01871 |
| More Info | State Dam Safety Program |