Waynoka Wwt Lagoon
Waynoka Wwt Lagoon is an earth dam located in Brown County, Ohio, built in 1995. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Waynoka Wwt Lagoon
The primary purpose of Waynoka Wwt 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 Waynoka Regional Water & Sewer District (local government). It impounds the Unnamed Tributary To Sycarmore Run near Village Of Arnheim.
The dam stands 13 feet tall and stretches 2,400 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 83 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1995, the structure is 31 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. The most recent inspection on record was 05/09/2023.
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Location
| State | Ohio |
| County | Brown |
| Nearest City | Village Of Arnheim |
| River/Stream | Unnamed Tributary To Sycarmore Run |
| Coordinates | 38.93611, -83.79972 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 13 ft |
| Dam Height | 13 ft |
| Dam Length | 2,400 ft |
| Year Completed | 1995 (31 years old) |
Storage & Hydraulics
| NID Storage | 83 acre-ft |
| Max Storage | 83 acre-ft |
| Normal Storage | 5 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 5 cfs |
Ownership & Safety
| Purpose | Tailings |
| Owner | Waynoka Regional Water & Sewer District |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/09/2023 |
| Emergency Action Plan | No |
Identifiers
| NID ID | OH02878 |
| Federal ID | OH02878 |
| More Info | State Dam Safety Program |