Mechanicsburg WWTP
Mechanicsburg, OH · Champaign County · Publicly Owned Treatment Works
- Average flow
- 0.04 MGD
- Design flow
- 0.23 MGD
- NPDES permit
- OH0022209
- Effective
- Permit expires
- December 2027
- Population served
- 1,921
- CWNS 2022
Mechanicsburg WWTP is a publicly owned wastewater treatment works in Mechanicsburg, Champaign County, Ohio treating an average of 0.04 million gallons per day against a permitted design capacity of 0.23 MGD, serving about 1,921 residents. Treatment on site includes uncovered lagoons, flow equalization. It discharges under NPDES permit OH0022209 (effective), which expires in December 2027, with 247 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 247
- Effluent violations
- 144
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Mechanicsburg WWTP.
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London · 8 mi away
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Milford Center · 10 mi away
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N Lewisburg · 11 mi away
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South Vienna · 12 mi away
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Urbana · 12 mi away
0.006 MGD
London · 13 mi away
0.04 MGD
Urbana · 13 mi away
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Mechanicsburg WWTP: 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 August 18, 2026.