Empire Mine Tertiary Pond Dam
Low HazardSatisfactory ConditionEmergency Action Plan: Not Required
Location
| State | Michigan |
| County | Marquette |
| Nearest City | Gwinn |
| River/Stream | Green Creek |
| Coordinates | 46.38611, -87.62778 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 90 ft |
| Dam Height | 90 ft |
| Dam Length | 850 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 3,348 acre-ft |
| Max Storage | 3,348 acre-ft |
| Normal Storage | 3,348 acre-ft |
| Surface Area | 93 acres |
| Drainage Area | 5 sq mi |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner | Empire Iron Mining Partnership |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/01/2016 |
| Emergency Action Plan | Not Required |