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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Significant HazardPoor ConditionEmergency Action Plan: No

Location

StateOhio
CountyMiami
Nearest CityVandalia
River/StreamTributary To Honey Creek
Coordinates39.95278, -84.11167

Physical Characteristics

Dam TypeEarth
NID Height21 ft
Dam Height21 ft
Dam Length1,390 ft
Year Completed1977 (49 years old)

Storage & Hydraulics

NID Storage58 acre-ft
Max Storage58 acre-ft
Normal Storage43 acre-ft
Surface Area7 acres
Drainage Area0 sq mi
Max Discharge81 cfs

Ownership & Safety

PurposeRecreation
OwnerRandal Perkins
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentPoor
Last Inspection10/30/2024
Emergency Action PlanNo

Identifiers

NID IDOH02109
Federal IDOH02109
More InfoState Dam Safety Program

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