Hidden Lake Dam
Hidden Lake Dam is an earth dam located in Miami County, Ohio, built in 1977. It carries a Significant hazard potential classification and has a poor condition assessment.
About Hidden Lake Dam
The primary purpose of Hidden Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Randal Perkins (private). It impounds the Tributary To Honey Creek near Vandalia.
The dam stands 21 feet tall and stretches 1,390 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 58 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1977, the structure is 49 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 10/30/2024.
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Location
| State | Ohio |
| County | Miami |
| Nearest City | Vandalia |
| River/Stream | Tributary To Honey Creek |
| Coordinates | 39.95278, -84.11167 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 1,390 ft |
| Year Completed | 1977 (49 years old) |
Storage & Hydraulics
| NID Storage | 58 acre-ft |
| Max Storage | 58 acre-ft |
| Normal Storage | 43 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 81 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Randal Perkins |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 10/30/2024 |
| Emergency Action Plan | No |
Identifiers
| NID ID | OH02109 |
| Federal ID | OH02109 |
| More Info | State Dam Safety Program |