South Sedimentation Basin Dam
South Sedimentation Basin Dam is an earth dam located in Perry County, Ohio, built in 1991. It carries a Low hazard potential classification and has a fair condition assessment.
About South Sedimentation Basin Dam
The primary purpose of South Sedimentation Basin Dam is debris control. The dam is designed to catch sediment, rocks, and debris carried by flowing water — particularly important in areas prone to mudslides or heavy erosion. The dam is owned by Waste Management Of Ohio (private). It impounds the Tributary To Jonathan Creek near Mt. Perry.
The dam stands 22 feet tall and stretches 450 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 63 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1991, the structure is 35 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 11/09/2023.
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Location
| State | Ohio |
| County | Perry |
| Nearest City | Mt. Perry |
| River/Stream | Tributary To Jonathan Creek |
| Coordinates | 39.90472, -82.24528 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 450 ft |
| Year Completed | 1991 (35 years old) |
Storage & Hydraulics
| NID Storage | 63 acre-ft |
| Max Storage | 63 acre-ft |
| Normal Storage | 35 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 2,887 cfs |
Ownership & Safety
| Purpose | Debris Control |
| Owner | Waste Management of Ohio |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 11/09/2023 |
| Emergency Action Plan | No |
Identifiers
| NID ID | OH02831 |
| Federal ID | OH02831 |
| More Info | State Dam Safety Program |