Willis Lake Dam
Willis Lake Dam is an earth dam located in Highland County, Ohio, built in 1995. It carries a Low hazard potential classification and has a fair condition assessment.
About Willis Lake Dam
The primary purpose of Willis Lake Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Dollie Willis (private). It impounds the Tributary To Lost Fork near Belfast.
The dam stands 31 feet tall and stretches 900 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 81 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1995, the structure is 31 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 05/24/2023.
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Location
| State | Ohio |
| County | Highland |
| Nearest City | Belfast |
| River/Stream | Tributary To Lost Fork |
| Coordinates | 39.10111, -83.61917 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 900 ft |
| Year Completed | 1995 (31 years old) |
Storage & Hydraulics
| NID Storage | 81 acre-ft |
| Max Storage | 81 acre-ft |
| Normal Storage | 29 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 200 cfs |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Dollie Willis |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 05/24/2023 |
| Emergency Action Plan | No |
Identifiers
| NID ID | OH02879 |
| Federal ID | OH02879 |
| More Info | State Dam Safety Program |