Hap Cremean Lowhead Dam
Hap Cremean Lowhead Dam is a concrete dam located in Franklin County, Ohio, built in 1953. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Hap Cremean Lowhead Dam
The primary purpose of Hap Cremean Lowhead Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by City Of Columbus (local government). It impounds the Big Walnut Creek.
The dam stands 14 feet tall and stretches 200 feet across, creates a reservoir covering 28 acres, has a maximum storage capacity of 533 acre-feet, and collects water from a drainage area of 196 square miles. Completed in 1953, the structure is well into its service life at over 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. An emergency action plan is in place for this dam. The most recent inspection on record was 12/21/2020.
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Location
| State | Ohio |
| County | Franklin |
| River/Stream | Big Walnut Creek |
| Coordinates | 40.06222, -82.88889 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 200 ft |
| Year Completed | 1953 (73 years old) |
Storage & Hydraulics
| NID Storage | 533 acre-ft |
| Max Storage | 533 acre-ft |
| Normal Storage | 187 acre-ft |
| Surface Area | 28 acres |
| Drainage Area | 196 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | City of Columbus |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 12/21/2020 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | OH03221 |
| Federal ID | OH03221 |
| More Info | State Dam Safety Program |