Black Brook
Low HazardSatisfactory ConditionEmergency Action Plan: Not Required
Location
| State | Wisconsin |
| County | Polk |
| Nearest City | None |
| River/Stream | Apple River |
| Coordinates | 45.26420, -92.40280 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 32 ft |
| Dam Height | 25 ft |
| Dam Length | 270 ft |
| Year Completed | 1917 (109 years old) |
Storage & Hydraulics
| NID Storage | 1,400 acre-ft |
| Max Storage | 1,400 acre-ft |
| Normal Storage | 1,220 acre-ft |
| Surface Area | 98 acres |
| Drainage Area | 162 sq mi |
| Max Discharge | 4,500 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Northwestern Wisconsin Electric Company |
| Owner Type | Public Utility |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/19/2022 |
| Emergency Action Plan | Not Required |