Wynne Lake
Wynne Lake is a gravity dam located in St. Louis County, Minnesota, built in 1944. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Wynne Lake
Wynne Lake is a dam in St. Louis, Minnesota. The dam is owned by Mndnr (state). It impounds the Embarrass River near Biwabik.
The dam stands 15 feet tall and stretches 119 feet across, has a maximum storage capacity of 7,712 acre-feet, and collects water from a drainage area of 145 square miles. Completed in 1944, 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 09/15/2021.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Minnesota |
| County | St. Louis |
| Nearest City | Biwabik |
| River/Stream | Embarrass River |
| Coordinates | 47.53793, -92.31427 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 15 ft |
| Dam Height | 12 ft |
| Dam Length | 119 ft |
| Year Completed | 1944 (82 years old) |
Storage & Hydraulics
| NID Storage | 7,712 acre-ft |
| Max Storage | 7,712 acre-ft |
| Normal Storage | 6,975 acre-ft |
| Drainage Area | 145 sq mi |
| Max Discharge | 7,105 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | MNDNR |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/15/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN00098 |
| Federal ID | MN00098 |
| More Info | State Dam Safety Program |