Timbre Ridge Dam
Timbre Ridge Dam is an earth dam located in Lawrence County, Ohio, built in 1974. It carries a High hazard potential classification.
About Timbre Ridge Dam
Timbre Ridge Dam is a dam in Lawrence, Ohio. The dam is owned by Usda Fs (federal). It impounds the Trib To Sand Fork near Lecta.
The dam stands 69 feet tall and stretches 960 feet across, creates a reservoir covering 100 acres, has a maximum storage capacity of 3,800 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1974, the structure is well into its service life at over 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. An emergency action plan is in place for this dam. The most recent inspection on record was 01/23/2020.
At 69 feet, this dam is taller than 96% 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 | Lawrence |
| Nearest City | Lecta |
| River/Stream | Trib To Sand Fork |
| Coordinates | 38.65417, -82.38194 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 69 ft |
| Dam Height | 59 ft |
| Dam Length | 960 ft |
| Year Completed | 1974 (52 years old) |
Storage & Hydraulics
| NID Storage | 3,800 acre-ft |
| Max Storage | 3,800 acre-ft |
| Normal Storage | 3,000 acre-ft |
| Surface Area | 100 acres |
| Drainage Area | 2 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | USDA FS |
| Owner Type | Federal |
| Hazard Classification | High |
| Condition Assessment | Not Rated |
| Last Inspection | 01/23/2020 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | OH01012 |
| Federal ID | OH01012 |
| More Info | State Dam Safety Program |