Illinois American Water - Jerseyville STP
Jerseyville, IL · Jersey County · Publicly Owned Treatment Works
- Average flow
- 0.83 MGD
- Design flow
- —
- NPDES permit
- ILL024465
- Effective
- Permit expires
- December 2030
- Population served
- 8,401
- CWNS 2022
Illinois American Water - Jerseyville STP is a publicly owned wastewater treatment works in Jerseyville, Jersey County, Illinois treating an average of 0.83 million gallons per day, serving about 8,401 residents. Treatment on site includes clarifiers, uncovered lagoons. It discharges under NPDES permit ILL024465 (effective), which expires in December 2030, with 3 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 3
- Effluent violations
- 3
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Illinois American Water - Jerseyville STP, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Illinois American Water - Jerseyville STP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Illinois
Grafton · 10 mi away
0.05 MGD
Medora · 12 mi away
0.0048 MGD
Brighton · 12 mi away
0.26 MGD
Carrollton · 13 mi away
0.3 MGD
Godfrey · 13 mi away
0.6 MGD
Shipman · 17 mi away
0.05 MGD
Greenfield · 18 mi away
0.00006 MGD
Chesterfield · 18 mi away
0.03 MGD
Illinois American Water - Jerseyville 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 May 18, 2025.