Royalton Stp, Village Of
Royalton, IL · Franklin County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 0.57 MGD
- NPDES permit
- IL0023337
- Effective
- Permit expires
- March 2028
- Population served
- 1,322
- CWNS 2022
Royalton Stp, Village Of is a publicly owned wastewater treatment works in Royalton, Franklin County, Illinois, serving about 1,322 residents. Treatment on site includes uncovered lagoons. It discharges under NPDES permit IL0023337 (effective), which expires in March 2028, with 29 recorded violations in the last three years.
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
- 29
- Effluent violations
- 29
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Royalton Stp, Village Of.
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Nearby wastewater treatment plants in Illinois
Zeigler · 3 mi away
0.03 MGD
Hurst · 4 mi away
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Colp · 5 mi away
0.009 MGD
Cambria · 6 mi away
0.001 MGD
Elkville · 7 mi away
0.02 MGD
Energy · 7 mi away
0.06 MGD
Desoto · 7 mi away
0.03 MGD
Christopher · 7 mi away
0.5 MGD
Royalton 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 August 3, 2026.