Chester STP
Chester, IL · Randolph County · Publicly Owned Treatment Works
- Average flow
- 0.61 MGD
- Design flow
- —
- NPDES permit
- 3604681787
- Effective
- Permit expires
- December 2030
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
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Compliance snapshot (last 3 years)
- Total violations
- 4
- Effluent violations
- 2
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Contacts for Chester STP are available in the Klarifi platform.
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Names, validated emails and direct phone numbers for decision-makers at Chester STP — plus full compliance history and discharge data.
Try Klarifi freeNearby wastewater treatment plants in Illinois
Ellis Grove · 11 mi away
0.0043 MGD
Steeleville · 11 mi away
0.24 MGD
Percy · 13 mi away
0.1 MGD
Willisville · 13 mi away
0.04 MGD
Campbell Hill · 13 mi away
0.05 MGD
Cutler · 15 mi away
0.04 MGD
Evansville · 16 mi away
0.08 MGD
Ava · 17 mi away
0.06 MGD
Data sourced from public EPA / NPDES records and Klarifi analysis. Last updated May 2025.