Mukwonago
Mukwonago is a gravity dam located in Waukesha County, Wisconsin, built in 1848. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Mukwonago
The primary purpose of Mukwonago is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Village Of Mukwonago (local government). It impounds the Mukwonago near Mukwonago.
The dam stands 10 feet tall and stretches 250 feet across, creates a reservoir covering 540 acres, has a maximum storage capacity of 2,740 acre-feet, and collects water from a drainage area of 60 square miles. Completed in 1848, the structure is one of the older dams in the region, with over a century and a half 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. An emergency action plan is in place for this dam. The most recent inspection on record was 05/25/2022.
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Location
| State | Wisconsin |
| County | Waukesha |
| Nearest City | Mukwonago |
| River/Stream | Mukwonago |
| Coordinates | 42.85653, -88.33015 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 250 ft |
| Year Completed | 1848 (178 years old) |
Storage & Hydraulics
| NID Storage | 2,740 acre-ft |
| Max Storage | 2,740 acre-ft |
| Normal Storage | 2,200 acre-ft |
| Surface Area | 540 acres |
| Drainage Area | 60 sq mi |
| Max Discharge | 1,270 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Village Of Mukwonago |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/25/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WI00334 |
| Federal ID | WI00334 |
| More Info | State Dam Safety Program |