Lake Tomahawk Dam

Lake Tomahawk Dam is an earth dam located in Hocking County, Ohio, built in 1962. It carries a Low hazard potential classification and has a satisfactory condition assessment.

About Lake Tomahawk Dam

The primary purpose of Lake Tomahawk Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Hide-a-way Hills Club (private). It impounds the Tributary To Rush Creek near Sugar Grove.

The dam stands 36 feet tall and stretches 220 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 47 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1962, the structure is well into its service life at over 50 years old.

This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 06/22/2022.

At 36 feet, this dam is taller than 83% of dams nationwide.

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Low HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateOhio
CountyHocking
Nearest CitySugar Grove
River/StreamTributary To Rush Creek
Coordinates39.65139, -82.46528

Physical Characteristics

Dam TypeEarth
NID Height36 ft
Dam Height36 ft
Dam Length220 ft
Year Completed1962 (64 years old)

Storage & Hydraulics

NID Storage47 acre-ft
Max Storage47 acre-ft
Normal Storage14 acre-ft
Surface Area1 acres
Drainage Area0 sq mi
Max Discharge1,409 cfs

Ownership & Safety

PurposeRecreation
OwnerHide-A-Way Hills Club
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection06/22/2022
Emergency Action PlanYes

Identifiers

NID IDOH00252
Federal IDOH00252
More InfoState Dam Safety Program

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