Blacklidge Lake Dam
Blacklidge Lake Dam is an earth dam located in Logan County, Ohio, built in 1972. It carries a Significant hazard potential classification and has a fair condition assessment.
About Blacklidge Lake Dam
The primary purpose of Blacklidge Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Ralph And Michele Welton (private). It impounds the Tributary To Mckees Creek near Qunicy.
The dam stands 27 feet tall and stretches 1,150 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 54 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1972, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in 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 10/22/2024.
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Location
| State | Ohio |
| County | Logan |
| Nearest City | Qunicy |
| River/Stream | Tributary To Mckees Creek |
| Coordinates | 40.33361, -83.71944 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 1,150 ft |
| Year Completed | 1972 (54 years old) |
Storage & Hydraulics
| NID Storage | 54 acre-ft |
| Max Storage | 54 acre-ft |
| Normal Storage | 20 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 185 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Ralph and Michele Welton |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 10/22/2024 |
| Emergency Action Plan | No |
Identifiers
| NID ID | OH00591 |
| Federal ID | OH00591 |
| More Info | State Dam Safety Program |