Sun River Terrace STP
Saint Anne, IL · Kankakee County · Publicly Owned Treatment Works
- Average flow
- 0.03 MGD
- Design flow
- 0.32 MGD
- NPDES permit
- IL0045501
- Effective
- Permit expires
- November 2027
- Population served
- —
- CWNS 2022
Sun River Terrace STP is a publicly owned wastewater treatment works in Saint Anne, Kankakee County, Illinois treating an average of 0.03 million gallons per day against a permitted design capacity of 0.32 MGD. Treatment on site includes aerated lagoons. It discharges under NPDES permit IL0045501 (effective), which expires in November 2027, with 1 recorded violation 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
- 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 Sun River Terrace STP.
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Nearby wastewater treatment plants in Illinois
Grant Park · 8 mi away
0.05 MGD
Saint Anne · 8 mi away
0.08 MGD
Manteno · 9 mi away
0.89 MGD
Peotone · 13 mi away
0.34 MGD
Beecher · 15 mi away
0.56 MGD
Clifton · 17 mi away
0.07 MGD
Herscher · 20 mi away
0.1 MGD
Essex · 23 mi away
0.03 MGD
Sun River Terrace STP: 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 March 28, 2025.