Mason Stp, Town Of
Mason, IL · Effingham County · Publicly Owned Treatment Works
- Average flow
- 0.08 MGD
- Design flow
- 0.13 MGD
- NPDES permit
- 3603332706
- Effective
- Permit expires
- May 2027
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Uncovered lagoons
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Compliance snapshot (last 3 years)
- Total violations
- 7
- Effluent violations
- 7
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Contacts for Mason Stp, Town Of are available in the Klarifi platform.
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Names, validated emails and direct phone numbers for decision-makers at Mason Stp, Town Of — plus full compliance history and discharge data.
Try Klarifi freeNearby wastewater treatment plants in Illinois
Edgewood · 3 mi away
0.02 MGD
Watson · 5 mi away
0.06 MGD
Iola · 8 mi away
0.05 MGD
Altamont · 10 mi away
0.09 MGD
Effingham · 11 mi away
1.81 MGD
Farina · 13 mi away
0.09 MGD
St Peter · 14 mi away
0.02 MGD
Louisville · 15 mi away
0.03 MGD
Data sourced from public EPA / NPDES records and Klarifi analysis. Last updated November 2025.