Ahrens Lake Dam

Ahrens Lake Dam is an earth dam located in Richland County, Ohio, built in 1976. It carries a Significant hazard potential classification and has a satisfactory condition assessment.

About Ahrens Lake Dam

The primary purpose of Ahrens Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Dennis And Anne Reed (private). It impounds the Trib-clear Fork Reservoir near Lexington.

The dam stands 34 feet tall and stretches 290 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 60 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1976, the structure is 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 11/21/2024.

At 34 feet, this dam is taller than 80% of dams nationwide.

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Significant HazardSatisfactory ConditionEmergency Action Plan: No

Location

StateOhio
CountyRichland
Nearest CityLexington
River/StreamTrib-clear Fork Reservoir
Coordinates40.72222, -82.67167

Physical Characteristics

Dam TypeEarth
NID Height34 ft
Dam Height34 ft
Dam Length290 ft
Year Completed1976 (50 years old)

Storage & Hydraulics

NID Storage60 acre-ft
Max Storage60 acre-ft
Normal Storage44 acre-ft
Surface Area4 acres
Drainage Area0 sq mi
Max Discharge255 cfs

Ownership & Safety

PurposeRecreation
OwnerDennis and Anne Reed
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection11/21/2024
Emergency Action PlanNo

Identifiers

NID IDOH00976
Federal IDOH00976
More InfoState Dam Safety Program

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