Black Brook
Wisconsin — Polk County — Apple River
Location
| State | Wisconsin |
| County | Polk |
| River | Apple River |
| Coordinates | 45.26420, -92.40280 |
Physical Characteristics
| NID Height | 32 ft |
| Dam Height | 25 ft |
| Dam Length | 270 ft |
| NID Storage | 1,400 acre-ft |
| Max Storage | 1,400 acre-ft |
| Surface Area | 98 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Satisfactory |
| EAP Status | Not Required |
| Last Inspection | May 19, 2022 |
| Inspection Frequency | 3 |
Dam Information
| Year Completed | 1917 |
| Primary Purpose | Hydroelectric |
| Dam Type | Gravity |
| Owner Type | Public Utility |
| Owner | Northwestern Wisconsin Electric 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.