Wolf Lake
Wolf Lake is a gravity dam located in Itasca County, Minnesota, built in 1938. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Wolf Lake
The primary purpose of Wolf Lake is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Mndnr-trails (state). It impounds the Prairie River near La Prairie.
The dam stands 11 feet tall and stretches 35 feet across, creates a reservoir covering 188 acres, has a maximum storage capacity of 1,520 acre-feet, and collects water from a drainage area of 58 square miles. Completed in 1938, 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 08/01/2017.
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Location
| State | Minnesota |
| County | Itasca |
| Nearest City | La Prairie |
| River/Stream | Prairie River |
| Coordinates | 47.56114, -93.26249 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 11 ft |
| Dam Height | 9 ft |
| Dam Length | 35 ft |
| Year Completed | 1938 (88 years old) |
Storage & Hydraulics
| NID Storage | 1,520 acre-ft |
| Max Storage | 1,520 acre-ft |
| Normal Storage | 450 acre-ft |
| Surface Area | 188 acres |
| Drainage Area | 58 sq mi |
| Max Discharge | 700 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | MNDNR-Trails |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/01/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN00656 |
| Federal ID | MN00656 |
| More Info | State Dam Safety Program |