Clay City Wwtp, Town Of
609 W 750 S, Clay City, IN 47841 · Clay County · Publicly Owned Treatment Works
- Average flow
- 0.16 MGD
- Design flow
- 0.24 MGD
- NPDES permit
- IN0039861
- Effective
- Permit expires
- May 2031
- Population served
- 878
- CWNS 2022
Clay City Wwtp, Town Of is a publicly owned wastewater treatment works in Clay City, Clay County, Indiana treating an average of 0.16 million gallons per day against a permitted design capacity of 0.24 MGD, serving about 878 residents. It discharges under NPDES permit IN0039861 (effective), which expires in May 2031, with 1 recorded violation in the last three years.
Treatment technology
3 treatment structures and unit processes identified at Clay City Wwtp, Town Of.
Available with a free Klarifi account
See the full treatment train at Clay City Wwtp, Town Of: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 1
- Effluent violations
- 1
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Clay City Wwtp, Town Of.
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Nearby wastewater treatment plants in Indiana
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Terre Haute · 13 mi away
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Farmersburg · 13 mi away
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Brazil · 14 mi away
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Worthington · 15 mi away
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Staunton · 15 mi away
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Clay City Wwtp, Town Of: 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 18, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Tertiary treatment · Significant industrial user · all terms