Pine Hill Lake Dam
Pine Hill Lake Dam is an earth dam located in Warren County, Ohio. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Pine Hill Lake Dam
The primary purpose of Pine Hill Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by City Of Mason (local government). It impounds the Tributary To Muddy Creek near Mason.
The dam stands 31 feet tall and stretches 200 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 194 acre-feet, and collects water from a drainage area of 1 square miles.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 04/03/2024.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Ohio dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Ohio |
| County | Warren |
| Nearest City | Mason |
| River/Stream | Tributary To Muddy Creek |
| Coordinates | 39.35417, -84.30417 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 200 ft |
Storage & Hydraulics
| NID Storage | 194 acre-ft |
| Max Storage | 194 acre-ft |
| Normal Storage | 65 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 7,000 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | City of Mason |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 04/03/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | OH00542 |
| Federal ID | OH00542 |
| More Info | State Dam Safety Program |