Hidden Lakes Dam
Hidden Lakes Dam is an earth dam located in Geauga County, Ohio, built in 1954. It carries a Significant hazard potential classification and has a poor condition assessment.
About Hidden Lakes Dam
The primary purpose of Hidden Lakes 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 - 1312-004 (private). It impounds the Tributary To Chagrin River near Novelty.
The dam stands 22 feet tall and stretches 250 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 34 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 06/28/2023.
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Location
| State | Ohio |
| County | Geauga |
| Nearest City | Novelty |
| River/Stream | Tributary To Chagrin River |
| Coordinates | 41.49639, -81.34333 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 250 ft |
| Year Completed | 1954 (72 years old) |
Storage & Hydraulics
| NID Storage | 34 acre-ft |
| Max Storage | 34 acre-ft |
| Normal Storage | 15 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 316 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Multiple Owners - 1312-004 |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 06/28/2023 |
| Emergency Action Plan | No |
Identifiers
| NID ID | OH01619 |
| Federal ID | OH01619 |
| More Info | State Dam Safety Program |