Walnut Elementary School
16450 Winchester Rd., Ashville, OH 43103 · Pickaway County · Publicly Owned Treatment Works
- Average flow
- 0.0015 MGD
- Design flow
- —
- NPDES permit
- OH0130800
- Effective
- Permit expires
- December 2027
- Population served
- —
- CWNS 2022
Walnut Elementary School is a publicly owned wastewater treatment plant in Ashville, Pickaway County, Ohio treating an average of 0.0015 million gallons per day. It discharges under NPDES permit OH0130800 (effective), which expires in December 2027, with 16 recorded violations in the last three years.
Treatment technology
Treatment structures and unit processes at Walnut Elementary School.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 16
- Effluent violations
- 16
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Walnut Elementary School.
No verified contacts on file yet
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Walnut Elementary School: frequently asked questions
Sources and methodology
Flow, permit and violation figures come from the EPA's ICIS-NPDES discharge monitoring records. Population served comes from the Clean Watersheds Needs Survey 2022. Treatment structures are identified by Klarifi's review of aerial imagery, and capital improvement projects are extracted from published municipal budget documents. Violations are counted over the last three years of monitoring reports.
Data refreshed October 26, 2026; facility record last updated September 6, 2024.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Oxidation ditch · Anaerobic digester · all terms