Ashley Waterworks Reservoir
Ashley Waterworks Reservoir is an earth dam located in Delaware County, Ohio, built in 1954. It carries a Significant hazard potential classification and has a poor condition assessment.
About Ashley Waterworks Reservoir
The primary purpose of Ashley Waterworks Reservoir is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Village Of Ashley (local government). It impounds the West Branch Of Alum Creek - Offstream near Ashley.
The dam stands 12 feet tall and stretches 1,860 feet across, has a maximum storage capacity of 51 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1954, 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 12/23/2020.
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Location
| State | Ohio |
| County | Delaware |
| Nearest City | Ashley |
| River/Stream | West Branch Of Alum Creek - Offstream |
| Coordinates | 40.40750, -82.94333 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 1,860 ft |
| Year Completed | 1954 (72 years old) |
Storage & Hydraulics
| NID Storage | 51 acre-ft |
| Max Storage | 51 acre-ft |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | Village of Ashley |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 12/23/2020 |
| Emergency Action Plan | No |
Identifiers
| NID ID | OH01509 |
| Federal ID | OH01509 |
| More Info | State Dam Safety Program |