Upper Mayville
Low HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | Wisconsin |
| County | Dodge |
| Nearest City | MAYVILLE |
| River/Stream | EAST BRANCH ROCK |
| Coordinates | 43.49382, -88.54287 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 200 ft |
| Year Completed | 1848 (178 years old) |
Storage & Hydraulics
| NID Storage | 300 acre-ft |
| Max Storage | 300 acre-ft |
| Normal Storage | 227 acre-ft |
| Surface Area | 41 acres |
| Drainage Area | 172 sq mi |
| Max Discharge | 4,400 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | City of Mayville |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/05/2021 |
| Emergency Action Plan | Yes |