Coyne Center Sanitary District - STP
1413 113th Avenue, Milan, IL 61264 · Rock Island County · Publicly Owned Treatment Works
- Average flow
- 0.05 MGD
- Design flow
- 0.22 MGD
- NPDES permit
- IL0065200
- Effective
- Permit expires
- December 2028
- Population served
- 529
- CWNS 2022
Coyne Center Sanitary District - STP is a publicly owned wastewater treatment works in Milan, Rock Island County, Illinois treating an average of 0.05 million gallons per day against a permitted design capacity of 0.22 MGD, serving about 529 residents. It discharges under NPDES permit IL0065200 (effective), which expires in December 2028, with 12 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Coyne Center Sanitary District - STP.
Available with a free Klarifi account
See the full treatment train at Coyne Center Sanitary District - STP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 12
- Effluent violations
- 12
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Coyne Center Sanitary District - STP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Illinois
Milan · 3 mi away
0.77 MGD
Moline · 6 mi away
3.64 MGD
Reynolds · 7 mi away
0.14 MGD
Sherrard · 7 mi away
0.15 MGD
Moline · 7 mi away
4.25 MGD
Orion · 10 mi away
0.46 MGD
Matherville · 11 mi away
0.05 MGD
East Moline · 12 mi away
4.16 MGD
Coyne Center Sanitary District - 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 October 26, 2026; facility record last updated August 6, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Sludge dewatering · Biological nutrient removal · all terms