Whiteface Lake South Dike is an earth dam located in St. Louis County, Minnesota, built in 1922. It carries a Low hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 36 ft36 ft tall, taller than 82% of U.S. dams with a recorded height. 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 Whiteface Lake South Dike
The primary purpose of Whiteface Lake South Dike is hydroelectric. The dam generates hydroelectric power by channeling water through turbines, converting the energy of flowing water into electricity. The dam is owned by Allete, Inc. (private). It impounds the Skunk River, Whiteface River.
The dam stands 36 feet tall, creates a reservoir covering 4,800 acres, and has a maximum storage capacity of 46,900 acre-feet. Completed in 1922, 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 09/30/2018.
At 36 feet, this dam is taller than 82% of dams nationwide.
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Location
| State | Minnesota |
| County | St. Louis |
| River/Stream | Skunk River, Whiteface River |
| Coordinates | 47.27700, -92.18130 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 36 ft |
| Dam Height | 36 ft |
| Year Completed | 1922 (104 years old) |
Storage & Hydraulics
| NID Storage | 46,900 acre-ft |
| Max Storage | 46,900 acre-ft |
| Normal Storage | 46,900 acre-ft |
| Surface Area | 4,800 acres |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Allete, Inc. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/30/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN00813 |
| Federal ID | MN00610S003 |
| More Info | State Dam Safety Program |