Harper Lake Dam
Harper Lake Dam is an earth dam located in Fairfield County, Ohio, built in 1971. It carries a Low hazard potential classification and has a fair condition assessment.
About Harper Lake Dam
The primary purpose of Harper Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Josh Harper (private). It impounds the Tributary To Walnut Creek near Carroll.
The dam stands 19 feet tall and stretches 975 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 56 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1971, the structure is well into its service life at over 50 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 11/24/2020.
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Location
| State | Ohio |
| County | Fairfield |
| Nearest City | Carroll |
| River/Stream | Tributary To Walnut Creek |
| Coordinates | 39.76806, -82.73111 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Dam Length | 975 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 56 acre-ft |
| Max Storage | 56 acre-ft |
| Normal Storage | 35 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 72 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Josh Harper |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 11/24/2020 |
| Emergency Action Plan | No |
Identifiers
| NID ID | OH00683 |
| Federal ID | OH00683 |
| More Info | State Dam Safety Program |