Glenbard Wastewater Authority
Glen Ellyn, IL · Du Page County · Publicly Owned Treatment Works
- Average flow
- 7.04 MGD
- Design flow
- —
- NPDES permit
- ILL021547
- Effective
- Permit expires
- December 2030
- Population served
- 70,797
- CWNS 2022
Glenbard Wastewater Authority is a publicly owned wastewater treatment works in Glen Ellyn, Du Page County, Illinois treating an average of 7.04 million gallons per day, serving about 70,797 residents. Treatment on site includes clarifiers, uncovered lagoons, biogas silos, biogas balloons. It discharges under NPDES permit ILL021547 (effective), which expires in December 2030, with 27 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Clarifiers
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Uncovered lagoons
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Biogas silos
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Biogas balloons
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Compliance snapshot (last 3 years)
- Total violations
- 27
- Effluent violations
- 4
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Glenbard Wastewater Authority, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Glenbard Wastewater Authority, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Illinois
Downers Grove · 3 mi away
6.39 MGD
Elmhurst · 5 mi away
7.92 MGD
Wheaton · 5 mi away
4.5 MGD
Addison · 6 mi away
1.22 MGD
Addison · 7 mi away
2.24 MGD
Woodridge · 7 mi away
6.1 MGD
Wood Dale · 8 mi away
0.19 MGD
Wood Dale · 9 mi away
1.03 MGD
Glenbard Wastewater Authority: 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 17, 2025.