Mills Lake Dam
Mills Lake Dam is an earth dam located in Licking County, Ohio, built in 1965. It carries a Significant hazard potential classification and has a poor condition assessment.
About Mills Lake Dam
The primary purpose of Mills Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Atlas Shrugged, Llc (private). It impounds the Tributary To Rocky Fork near Hanover.
The dam stands 25 feet tall and stretches 260 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 21 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1965, 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 12/02/2020.
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Location
| State | Ohio |
| County | Licking |
| Nearest City | Hanover |
| River/Stream | Tributary To Rocky Fork |
| Coordinates | 40.13833, -82.29056 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 260 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 21 acre-ft |
| Max Storage | 21 acre-ft |
| Normal Storage | 11 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 194 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Atlas Shrugged, LLC |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 12/02/2020 |
| Emergency Action Plan | No |
Identifiers
| NID ID | OH01922 |
| Federal ID | OH01922 |
| More Info | State Dam Safety Program |