Iola Stp, Village Of
Iola, IL · Clay County · Publicly Owned Treatment Works
- Average flow
- 0.08 MGD
- Design flow
- 0.12 MGD
- NPDES permit
- IL0078379
- Effective
- Permit expires
- November 2028
- Population served
- —
- CWNS 2022
Iola Stp, Village Of is a publicly owned wastewater treatment works in Iola, Clay County, Illinois treating an average of 0.08 million gallons per day against a permitted design capacity of 0.12 MGD. It discharges under NPDES permit IL0078379 (effective), which expires in November 2028, with 1 recorded violation 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
- 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 Iola Stp, Village Of.
No verified contacts on file yet
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Nearby wastewater treatment plants in Illinois
Edgewood · 6 mi away
0.01 MGD
Mason · 8 mi away
—
Farina · 8 mi away
—
Louisville · 9 mi away
0.008 MGD
St Peter · 12 mi away
0.007 MGD
Kinmundy · 12 mi away
0.04 MGD
Watson · 13 mi away
0.01 MGD
Xenia · 15 mi away
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Iola Stp, Village 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 September 11, 2026; facility record last updated September 22, 2025.