Collinsville Wastewater Treatment Plant
Collinsville, IL · Madison County · Publicly Owned Treatment Works
- Average flow
- 3 MGD
- Design flow
- —
- NPDES permit
- 3604681645
- Effective
- Permit expires
- December 2030
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 5
- Effluent violations
- 5
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Capital improvement projects in Collinsville
| Project | Budget | Years |
|---|---|---|
| Solar Project: Water Treatment Plant | $1,700,000 | 2025–2025 |
| Sugar Loaf Unsewered Areas | $472,500 | 2025–2025 |
| Water Main Replacement at I-255 | $225,000 | 2025–2025 |
| Hickory Pt. Lift Station Upgrade | $175,000 | 2025–2025 |
| Summit Lift Station Upgrade | $175,000 | 2025–2025 |
Full project details — scope, funding source, engineering consultant and the decision-makers behind each project — are available in Klarifi, along with similar wastewater capital projects in other cities.
Key contacts
32 verified contacts for Collinsville Wastewater Treatment Plant, with validated emails and direct phone numbers.
Unlock 32 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Collinsville Wastewater Treatment Plant — plus full compliance history and discharge data.
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Data sourced from public EPA / NPDES records and Klarifi analysis. Last updated March 2025.