Lake Mills
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | Wisconsin |
| County | Jefferson |
| Nearest City | LAKE MILLS |
| River/Stream | ROCK CREEK |
| Coordinates | 43.07875, -88.91379 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 400 ft |
| Year Completed | 1865 (161 years old) |
Storage & Hydraulics
| NID Storage | 28,330 acre-ft |
| Max Storage | 28,330 acre-ft |
| Normal Storage | 25,590 acre-ft |
| Surface Area | 1,371 acres |
| Drainage Area | 11 sq mi |
| Max Discharge | 115 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | City of Lake Mills |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/05/2021 |
| Emergency Action Plan | Yes |