Grand River Marsh
Low HazardFair ConditionEmergency Action Plan: Yes
Location
| State | Wisconsin |
| County | Marquette |
| Nearest City | NONE |
| River/Stream | GRAND RIVER |
| Coordinates | 43.72841, -89.26098 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 5,200 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 22,000 acre-ft |
| Max Storage | 22,000 acre-ft |
| Normal Storage | 4,000 acre-ft |
| Surface Area | 2,500 acres |
| Drainage Area | 184 sq mi |
| Max Discharge | 9,580 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner | Wisconsin Department of Natural Resources |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 11/08/2016 |
| Emergency Action Plan | Yes |