Fayetteville STP
Fayetteville, IL · Saint Clair County · Publicly Owned Treatment Works
- Average flow
- 0.01 MGD
- Design flow
- 0.25 MGD
- NPDES permit
- IL0020893
- Effective
- Permit expires
- August 2029
- Population served
- 380
- CWNS 2022
Fayetteville STP is a publicly owned wastewater treatment works in Fayetteville, Saint Clair County, Illinois treating an average of 0.01 million gallons per day against a permitted design capacity of 0.25 MGD, serving about 380 residents. It discharges under NPDES permit IL0020893 (effective), which expires in August 2029, with 1 recorded violation in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 1
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Fayetteville STP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Illinois
Saint Libory · 4 mi away
0.03 MGD
Freeburg · 6 mi away
0.09 MGD
Lenzburg · 6 mi away
0.02 MGD
Mascoutah · 7 mi away
0.55 MGD
Freeburg · 8 mi away
0.19 MGD
Marissa · 9 mi away
0.31 MGD
New Baden · 10 mi away
0.07 MGD
Smithton · 10 mi away
0.45 MGD
Fayetteville 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 November 1, 2024.