Holly Dam
Significant HazardPoor ConditionEmergency Action Plan: Yes
Location
| State | Michigan |
| County | Oakland |
| Nearest City | Fenton |
| River/Stream | Shiawassee River |
| Coordinates | 42.78514, -83.62426 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 400 ft |
| Year Completed | 1840 (186 years old) |
Storage & Hydraulics
| NID Storage | 555 acre-ft |
| Max Storage | 555 acre-ft |
| Normal Storage | 430 acre-ft |
| Surface Area | 90 acres |
| Drainage Area | 40 sq mi |
| Max Discharge | 600 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Village of Holly |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 07/31/2017 |
| Emergency Action Plan | Yes |