Lake Michigamme Dam is a rockfill dam located in Marquette County, Michigan. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 6 ft6 ft tall and 495 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic rockfill embankment section and the water level is illustrative.
About Lake Michigamme Dam
Lake Michigamme Dam is a dam in Marquette, Michigan. The dam is owned by Lake Michigamme Property Owners (private). It impounds the Michigamme River near Republic.
The dam stands 6 feet tall and stretches 495 feet across, creates a reservoir covering 4,260 acres, has a maximum storage capacity of 22,578 acre-feet, and collects water from a drainage area of 194 square miles.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 09/11/2020.
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Location
| State | Michigan |
| County | Marquette |
| Nearest City | Republic |
| River/Stream | Michigamme River |
| Coordinates | 46.48432, -88.07151 |
Physical Characteristics
| Dam Type | Rockfill |
| NID Height | 6 ft |
| Dam Height | 6 ft |
| Dam Length | 495 ft |
Storage & Hydraulics
| NID Storage | 22,578 acre-ft |
| Max Storage | 22,578 acre-ft |
| Normal Storage | 2,130 acre-ft |
| Surface Area | 4,260 acres |
| Drainage Area | 194 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | Lake Michigamme Property Owners |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 09/11/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MI02612 |
| Federal ID | MI02612 |
| More Info | State Dam Safety Program |