Howison Lake Dam is an earth dam located in Vinton County, Ohio, built in 1975. It carries a Low hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 32 ft32 ft tall and 280 ft long, taller than 74% 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 Howison Lake Dam
The primary purpose of Howison Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Vinton County Park District (private). It impounds the Tributary to Mcconnel Run near Hamden.
The dam stands 32 feet tall and stretches 280 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 64 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1975, 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 05/13/2021.
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Location
| State | Ohio |
| County | Vinton |
| Nearest City | Hamden |
| River/Stream | Tributary to Mcconnel Run |
| Coordinates | 39.22028, -82.52278 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 32 ft |
| Dam Length | 280 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 64 acre-ft |
| Max Storage | 64 acre-ft |
| Normal Storage | 28 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 754 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Vinton County Park District |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/13/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | OH00940 |
| Federal ID | OH00940 |
| More Info | State Dam Safety Program |