Hickory Lake Dam
Hickory Lake Dam is an earth dam located in Defiance County, Ohio, built in 1964. It carries a Significant hazard potential classification and has a poor condition assessment.
About Hickory Lake Dam
The primary purpose of Hickory Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Multiple Owners - 1143-002 (private). It impounds the Tributary To Auglaize River near Defiance.
The dam stands 26 feet tall and stretches 365 feet across, creates a reservoir covering 26 acres, has a maximum storage capacity of 571 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1964, 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. An emergency action plan is in place for this dam. The most recent inspection on record was 05/11/2022.
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Location
| State | Ohio |
| County | Defiance |
| Nearest City | Defiance |
| River/Stream | Tributary To Auglaize River |
| Coordinates | 41.23111, -84.39306 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 365 ft |
| Year Completed | 1964 (62 years old) |
Storage & Hydraulics
| NID Storage | 571 acre-ft |
| Max Storage | 571 acre-ft |
| Normal Storage | 132 acre-ft |
| Surface Area | 26 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 5,780 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Multiple Owners - 1143-002 |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 05/11/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | OH00386 |
| Federal ID | OH00386 |
| More Info | State Dam Safety Program |