Hay Hollow Reservoir Dam is an earth dam located in Pike County, Ohio, built in 1952. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 34 ft34 ft tall and 480 ft long, taller than 78% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Hay Hollow Reservoir Dam
Hay Hollow Reservoir Dam is a dam in Pike, Ohio. The dam is owned by Scioto Land Co., LLC (private). It impounds the Tributary to Carrs Run near Omega.
The dam stands 34 feet tall and stretches 480 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 212 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1952, 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. An emergency action plan is in place for this dam. The most recent inspection on record was 11/03/2022.
At 34 feet, this dam is taller than 78% of dams nationwide.
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Location
| State | Ohio |
| County | Pike |
| Nearest City | Omega |
| River/Stream | Tributary to Carrs Run |
| Coordinates | 39.12722, -82.82583 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 34 ft |
| Dam Height | 34 ft |
| Dam Length | 480 ft |
| Year Completed | 1952 (74 years old) |
Storage & Hydraulics
| NID Storage | 212 acre-ft |
| Max Storage | 212 acre-ft |
| Normal Storage | 93 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,920 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | Scioto Land Co., LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 11/03/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | OH00199 |
| Federal ID | OH00199 |
| More Info | State Dam Safety Program |