Glenbard Wastewater Authority
21 W. 551 Bemis Road, Glen Ellyn, IL 60137 · Du Page County · Publicly Owned Treatment Works
- Average flow
- 11.79 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 11.79 million gallons per day, serving about 70,797 residents. It discharges under NPDES permit ILL021547 (effective), which expires in December 2030, with 27 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in December 2023.
Treatment technology
4 treatment structures and unit processes identified at Glenbard Wastewater Authority.
Available with a free Klarifi account
See the full treatment train at Glenbard Wastewater Authority: structures, unit processes and planned upgrades, with exact unit counts.
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.
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for Glenbard Wastewater Authority in EPA's ICIS system.
- Formal actions
- 1
- 1 since FY2020
- Compliance actions
- $24,000
- required by EPA orders
- EPA inspections
- 0
- none on record
Latest case · Dec 2023
Glenbard AOC
Administrative order · CWA, NPDES Permit Violations · Final Order No Penalty · Compliance actions $24,000
EPA's description of the case:
“AOC to resolve Pretreatment Program deficiencies”
Source: EPA ECHO, civil enforcement case 05-2023-0330.
Full case history with a free Klarifi account
Every action against Glenbard Wastewater Authority with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
3 verified contacts for Glenbard Wastewater Authority, with validated emails and direct phone numbers.
Unlock 3 verified contacts
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
10.66 MGD
Elmhurst · 5 mi away
10.25 MGD
Wheaton · 5 mi away
7.27 MGD
Addison · 6 mi away
1.93 MGD
Addison · 7 mi away
3.21 MGD
Woodridge · 7 mi away
8.92 MGD
Wood Dale · 8 mi away
0.27 MGD
Wood Dale · 9 mi away
1.58 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 October 26, 2026; facility record last updated March 17, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Equalization tank · Centrate · all terms