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.
Dam profile
NID height · 36 ft36 ft tall and 220 ft long, taller than 82% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
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 82% of dams nationwide.
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Location
| State | Ohio |
| County | Hocking |
| Nearest City | Sugar Grove |
| River/Stream | Tributary to Rush Creek |
| Coordinates | 39.65139, -82.46528 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 36 ft |
| Dam Height | 36 ft |
| Dam Length | 220 ft |
| Year Completed | 1962 (64 years old) |
Storage & Hydraulics
| NID Storage | 47 acre-ft |
| Max Storage | 47 acre-ft |
| Normal Storage | 14 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,409 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Hide-a-way Hills Club |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/22/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | OH00252 |
| Federal ID | OH00252 |
| More Info | State Dam Safety Program |