Wadsworth Sludge Lagoon
Wadsworth Sludge Lagoon is an earth dam located in Medina County, Ohio, built in 1990. It carries a Significant hazard potential classification and has a fair condition assessment.
About Wadsworth Sludge Lagoon
The primary purpose of Wadsworth Sludge Lagoon is tailings. Tailings dams contain waste material from mining operations — typically a slurry of finely ground rock left over after valuable minerals have been extracted. These structures require ongoing monitoring because tailings can contain heavy metals and other contaminants. The dam is owned by City Of Wadsworth (local government). It impounds the Unknown near Wadsworth.
The dam stands 25 feet tall and stretches 990 feet across, and has a maximum storage capacity of 24 acre-feet. Completed in 1990, the structure is 36 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. An emergency action plan is in place for this dam. The most recent inspection on record was 06/04/2025.
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Location
| State | Ohio |
| County | Medina |
| Nearest City | Wadsworth |
| River/Stream | Unknown |
| Coordinates | 41.02167, -81.72000 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 990 ft |
| Year Completed | 1990 (36 years old) |
Storage & Hydraulics
| NID Storage | 24 acre-ft |
| Max Storage | 24 acre-ft |
| Max Discharge | 4 cfs |
Ownership & Safety
| Purpose | Tailings |
| Owner | City of Wadsworth |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 06/04/2025 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | OH02083 |
| Federal ID | OH02083 |
| More Info | State Dam Safety Program |