Twin Falls Auxiliary Spillway
Wisconsin — Florence County — Menominee River
Location
| State | Wisconsin |
| County | Florence |
| River | Menominee River |
| Coordinates | 45.87400, -88.07282 |
Physical Characteristics
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 101 ft |
| NID Storage | 9,750 acre-ft |
| Max Storage | 9,750 acre-ft |
| Surface Area | 960 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | May 18, 2022 |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | 1960 |
| Primary Purpose | Hydroelectric |
| Dam Type | Concrete |
| Owner Type | Public Utility |
| Owner | Wisconsin Electric Power Company |
Location Map
About This Dam Record
Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.