Lake Leota
Lake Leota is a gravity dam located in Rock County, Wisconsin, built in 1950. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Lake Leota
The primary purpose of Lake Leota is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by City Of Evansville (local government). It impounds the Allen Creek near Evansville.
The dam stands 12 feet tall and stretches 520 feet across, creates a reservoir covering 41 acres, has a maximum storage capacity of 300 acre-feet, and collects water from a drainage area of 21 square miles. Completed in 1950, the structure is well-established, with more than 75 years of service.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 07/07/2020.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Wisconsin dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Wisconsin |
| County | Rock |
| Nearest City | Evansville |
| River/Stream | Allen Creek |
| Coordinates | 42.78601, -89.30224 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 520 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 300 acre-ft |
| Max Storage | 300 acre-ft |
| Normal Storage | 220 acre-ft |
| Surface Area | 41 acres |
| Drainage Area | 21 sq mi |
| Max Discharge | 1,770 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | City of Evansville |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 07/07/2020 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WI00811 |
| Federal ID | WI00811 |
| More Info | State Dam Safety Program |