Milan STP
Milan, IL · Rock Island County · Publicly Owned Treatment Works
- Average flow
- 0.52 MGD
- Design flow
- —
- NPDES permit
- ILL020214
- Effective
- Permit expires
- December 2030
- Population served
- 6,273
- CWNS 2022
Milan STP is a publicly owned wastewater treatment works in Milan, Rock Island County, Illinois treating an average of 0.52 million gallons per day, serving about 6,273 residents. Treatment on site includes clarifiers, uncovered lagoons. It discharges under NPDES permit ILL020214 (effective), which expires in December 2030, with 4 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
- 4
- Effluent violations
- 2
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Milan STP, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Milan STP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Illinois
Milan · 3 mi away
0.03 MGD
Moline · 5 mi away
2.72 MGD
Moline · 5 mi away
3.43 MGD
Reynolds · 9 mi away
—
East Moline · 10 mi away
3.74 MGD
Sherrard · 11 mi away
0.05 MGD
Colona · 12 mi away
0.26 MGD
Orion · 12 mi away
0.3 MGD
Milan 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.