Staunton Stp, City Of
Bunker Hill Road, Staunton, IL 62088 · Macoupin County · Publicly Owned Treatment Works
- Average flow
- 0.83 MGD
- Design flow
- 10.7 MGD
- NPDES permit
- IL0031232
- Effective
- Permit expires
- October 2029
- Population served
- 4,461
- CWNS 2022
Staunton Stp, City Of is a publicly owned wastewater treatment works in Staunton, Macoupin County, Illinois treating an average of 0.83 million gallons per day against a permitted design capacity of 10.7 MGD, serving about 4,461 residents. It discharges under NPDES permit IL0031232 (effective), which expires in October 2029, with 22 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Staunton Stp, City Of.
Available with a free Klarifi account
See the full treatment train at Staunton Stp, City Of: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 22
- Effluent violations
- 22
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Staunton Stp, City Of.
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Nearby wastewater treatment plants in Illinois
Wilsonville · 4 mi away
0.04 MGD
White City · 4 mi away
0.03 MGD
Benld · 5 mi away
0.15 MGD
Mount Clare · 5 mi away
0.1 MGD
Mount Olive · 5 mi away
0.48 MGD
Livingston · 5 mi away
0.2 MGD
Gillespie · 6 mi away
0.16 MGD
Worden · 6 mi away
0.06 MGD
Staunton Stp, City Of: 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 March 20, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · FOG · Equalization tank · all terms