Jonathan Alder Junior High
Plain City, OH · Madison County · Publicly Owned Treatment Works
- Average flow
- 0.0082 MGD
- Design flow
- 0.01 MGD
- NPDES permit
- OH0130834
- Effective
- Permit expires
- October 2030
- Population served
- —
- CWNS 2022
Jonathan Alder Junior High is a publicly owned wastewater treatment plant in Plain City, Madison County, Ohio treating an average of 0.0082 million gallons per day against a permitted design capacity of 0.01 MGD. It discharges under NPDES permit OH0130834 (effective), which expires in October 2030, with 40 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 40
- Effluent violations
- 40
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Jonathan Alder Junior High.
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Nearby wastewater treatment plants in Ohio
Plain City · 3 mi away
0.7 MGD
Plain City · 5 mi away
0.0012 MGD
Dublin · 6 mi away
0.01 MGD
Marysville · 7 mi away
0.005 MGD
Amlin · 7 mi away
0.0094 MGD
London · 8 mi away
0.01 MGD
West Jefferson · 8 mi away
0.0021 MGD
Milford Center · 8 mi away
0.0059 MGD
Jonathan Alder Junior High: 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 September 11, 2026; facility record last updated January 29, 2025.