Grafton
Significant HazardFair ConditionEmergency Action Plan: Yes
Location
| State | Wisconsin |
| County | Ozaukee |
| Nearest City | GRAFTON |
| River/Stream | MILWAUKEE |
| Coordinates | 43.31885, -87.94920 |
Physical Characteristics
| Dam Type | Buttress |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 206 ft |
| Year Completed | 1918 (108 years old) |
Storage & Hydraulics
| NID Storage | 400 acre-ft |
| Max Storage | 400 acre-ft |
| Normal Storage | 260 acre-ft |
| Surface Area | 35 acres |
| Drainage Area | 451 sq mi |
| Max Discharge | 15,420 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Village Of Grafton |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 06/16/2021 |
| Emergency Action Plan | Yes |