Duffy'S Marsh
Wisconsin — Marquette County — UNNAMED TRIB TO GRAND RIVER
Location
| State | Wisconsin |
| County | Marquette |
| River | UNNAMED TRIB TO GRAND RIVER |
| Coordinates | 43.73782, -89.30688 |
Physical Characteristics
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 10,000 ft |
| NID Storage | 5,750 acre-ft |
| Max Storage | 5,750 acre-ft |
| Surface Area | 1,302 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Fair |
| EAP Status | No |
| Last Inspection | April 27, 2021 |
| Inspection Frequency | 10 |
Dam Information
| Year Completed | 1997 |
| Primary Purpose | Other |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | DUFFY MARSH PROPERTY OWNERS |
| Other Name | Duffy'S Marsh |
Location Map
About This Dam Record
Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.