Gribben Tailings Basin Dam
Significant HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | Michigan |
| County | Marquette |
| Nearest City | Gwinn |
| River/Stream | Trib to Goose Lake Outlet |
| Coordinates | 46.43333, -87.51667 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 115 ft |
| Dam Height | 115 ft |
| Dam Length | 22,000 ft |
| Year Completed | 1977 (49 years old) |
Storage & Hydraulics
| NID Storage | 19,900 acre-ft |
| Max Storage | 15,400 acre-ft |
| Normal Storage | 19,900 acre-ft |
| Surface Area | 1,198 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 23 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Tailings |
| Owner | Tilden Mining Company LC |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 12/09/2016 |
| Emergency Action Plan | Yes |