Little Waverly Lake
Little Waverly Lake is a gravity dam located in Wright County, Minnesota, built in 1938. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Little Waverly Lake
The primary purpose of Little Waverly Lake is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Mndnr (state). It impounds the Twelvemile Creek near Waverly.
The dam stands 7 feet tall and stretches 81 feet across, creates a reservoir covering 330 acres, has a maximum storage capacity of 2,780 acre-feet, and collects water from a drainage area of 59 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 07/20/2023.
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Location
| State | Minnesota |
| County | Wright |
| Nearest City | Waverly |
| River/Stream | Twelvemile Creek |
| Coordinates | 45.07540, -93.99240 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 81 ft |
| Year Completed | 1938 (88 years old) |
Storage & Hydraulics
| NID Storage | 2,780 acre-ft |
| Max Storage | 2,780 acre-ft |
| Normal Storage | 1,946 acre-ft |
| Surface Area | 330 acres |
| Drainage Area | 59 sq mi |
| Max Discharge | 3,080 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | MNDNR |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 07/20/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN00403 |
| Federal ID | MN00403 |
| More Info | State Dam Safety Program |