Mill Creek No.4
Mill Creek No.4 is a rockfill dam located in Jackson County, West Virginia, built in 1976. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Mill Creek No.4
The primary purpose of Mill Creek No.4 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Sissonville Psd (local government). It impounds the Joe's Run near Ripley.
The dam stands 49 feet tall and stretches 635 feet across, creates a reservoir covering 21 acres, has a maximum storage capacity of 1,644 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1976, the structure is 50 years old.
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 03/31/2024.
At 49 feet, this dam is taller than 92% of dams nationwide.
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 West Virginia 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 | West Virginia |
| County | Jackson |
| Nearest City | Ripley |
| River/Stream | Joe's Run |
| Coordinates | 38.82528, -81.61917 |
Physical Characteristics
| Dam Type | Rockfill |
| NID Height | 49 ft |
| Dam Height | 49 ft |
| Dam Length | 635 ft |
| Year Completed | 1976 (50 years old) |
Storage & Hydraulics
| NID Storage | 1,644 acre-ft |
| Max Storage | 1,644 acre-ft |
| Normal Storage | 146 acre-ft |
| Surface Area | 21 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 13,406 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | SISSONVILLE PSD |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 03/31/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WV03522 |
| Federal ID | WV03522 |
| More Info | State Dam Safety Program |