Aviston Stp, Village Of
Aviston, IL · Clinton County · Publicly Owned Treatment Works
- Average flow
- 0.07 MGD
- Design flow
- 0.35 MGD
- NPDES permit
- IL0020001
- Effective
- Permit expires
- October 2028
- Population served
- 896
- CWNS 2022
Aviston Stp, Village Of is a publicly owned wastewater treatment works in Aviston, Clinton County, Illinois treating an average of 0.07 million gallons per day against a permitted design capacity of 0.35 MGD, serving about 896 residents. Treatment on site includes aerated lagoons. It discharges under NPDES permit IL0020001 (effective), which expires in October 2028, with 4 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Aerated lagoons
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Compliance snapshot (last 3 years)
- Total violations
- 4
- Effluent violations
- 4
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Aviston Stp, Village Of, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Aviston Stp, Village Of, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Illinois
Breese · 4 mi away
0.31 MGD
Albers · 4 mi away
0.09 MGD
Trenton · 5 mi away
0.02 MGD
Germantown · 5 mi away
0.09 MGD
New Baden · 6 mi away
0.18 MGD
Albers · 7 mi away
0.03 MGD
Beckemeyer · 7 mi away
0.03 MGD
Bartelso · 8 mi away
0.05 MGD
Aviston 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 November 6, 2025.