Empire Mine Expanded Tertiary Dam
Significant HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | Michigan |
| County | Marquette |
| Nearest City | Austin |
| River/Stream | Green Creek |
| Coordinates | 46.37278, -87.60833 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 52 ft |
| Dam Height | 52 ft |
| Dam Length | 550 ft |
| Year Completed | 1985 (41 years old) |
Storage & Hydraulics
| NID Storage | 1,483 acre-ft |
| Max Storage | 1,483 acre-ft |
| Normal Storage | 1,190 acre-ft |
| Surface Area | 108 acres |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Tailings |
| Owner | Empire Iron Mining Partnership |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/30/2019 |
| Emergency Action Plan | Yes |