Montello Granite
High HazardFair ConditionEmergency Action Plan: Yes
Location
| State | Wisconsin |
| County | Marquette |
| Nearest City | MONTELLO |
| River/Stream | MONTELLO RIVER |
| Coordinates | 43.79338, -89.32888 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 55 ft |
| Year Completed | 1914 (112 years old) |
Storage & Hydraulics
| NID Storage | 3,300 acre-ft |
| Max Storage | 3,300 acre-ft |
| Normal Storage | 1,430 acre-ft |
| Surface Area | 286 acres |
| Drainage Area | 160 sq mi |
| Max Discharge | 5,353 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | City Of Montello |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 10/13/2020 |
| Emergency Action Plan | Yes |