Hillsboro Reservoir No. 1 Dam
Significant HazardFair ConditionEmergency Action Plan: No
Location
| State | Ohio |
| County | Highland |
| Nearest City | MCCOPPIN MILL |
| River/Stream | TRIBUTARY TO CLEAR CREEK |
| Coordinates | 39.24583, -83.60139 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 42 ft |
| Dam Height | 42 ft |
| Dam Length | 682 ft |
| Year Completed | 1945 (81 years old) |
Storage & Hydraulics
| NID Storage | 387 acre-ft |
| Max Storage | 387 acre-ft |
| Normal Storage | 274 acre-ft |
| Surface Area | 25 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,871 cfs |
Ownership & Safety
| Purpose | Water Supply |
| Owner | City of Hillsboro |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 05/12/2023 |
| Emergency Action Plan | No |