Somoco Wwt Lagoon
Somoco Wwt Lagoon is an earth dam located in Morrow County, Ohio, built in 2000. It carries a Significant hazard potential classification and has a fair condition assessment.
About Somoco Wwt Lagoon
The primary purpose of Somoco Wwt Lagoon 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 Morrow County Commissioners. It impounds the Unnamed Tributary To Alum Creek near West Liberty.
The dam stands 19 feet tall and stretches 4,260 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 180 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2000, the structure is 26 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 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 12/23/2020.
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Location
| State | Ohio |
| County | Morrow |
| Nearest City | West Liberty |
| River/Stream | Unnamed Tributary To Alum Creek |
| Coordinates | 40.37000, -82.86667 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Dam Length | 4,260 ft |
| Year Completed | 2000 (26 years old) |
Storage & Hydraulics
| NID Storage | 180 acre-ft |
| Max Storage | 180 acre-ft |
| Normal Storage | 135 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 20 cfs |
Ownership & Safety
| Purpose | Debris Control |
| Owner | Morrow County Commissioners |
| Owner Type | Not Listed |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 12/23/2020 |
| Emergency Action Plan | No |
Identifiers
| NID ID | OH03133 |
| Federal ID | OH03133 |
| More Info | State Dam Safety Program |