Tom Jenkins Dam
Tom Jenkins Dam is an earth dam located in Athens County, Ohio, built in 1950. It carries a High hazard potential classification.
About Tom Jenkins Dam
The primary purpose of Tom Jenkins Dam 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 Usace - Huntington District (federal). It impounds the East Br Of Sunday Ck near Glouster.
The dam stands 84 feet tall and stretches 944 feet across, creates a reservoir covering 664 acres, has a maximum storage capacity of 26,900 acre-feet, and collects water from a drainage area of 33 square miles. Completed in 1950, the structure is well-established, with more than 75 years of service.
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. An emergency action plan is in place for this dam. The most recent inspection on record was 08/14/2025.
At 84 feet, this dam is taller than 97% of all dams in the United States.
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 | Athens |
| Nearest City | Glouster |
| River/Stream | East Br Of Sunday Ck |
| Coordinates | 39.54215, -82.05790 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 84 ft |
| Dam Length | 944 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 26,900 acre-ft |
| Max Storage | 26,900 acre-ft |
| Normal Storage | 9,300 acre-ft |
| Surface Area | 664 acres |
| Drainage Area | 33 sq mi |
| Max Discharge | 21,300 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | USACE - Huntington District |
| Owner Type | Federal |
| Hazard Classification | High |
| Condition Assessment | Not Available |
| Last Inspection | 08/14/2025 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | OH00018 |
| Federal ID | OH00018 |
| More Info | State Dam Safety Program |