Clean Water Act discharge permit · NPDES IL0021547
GLENBARD WASTEWATER AUTHORITY - MAIN WWTP, Glen Ellyn, IL: NPDES IL0021547 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 40Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
GLENBARD WASTEWATER AUTHORITY - MAIN WWTP, held by GLENBARD WASTEWATER AUTHORITY, holds NPDES permit IL0021547, which discharges to East Branch Of Dupage River. EPA’s file records it issued September 23, 2015 and expiring August 31, 2020. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | GLENBARD WASTEWATER AUTHORITY - MAIN WWTP |
|---|---|
| Permittee as filed | GLENBARD WASTEWATER AUTHORITY |
| NPDES ID | IL0021547 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | September 23, 2015 |
| Expiration date | August 31, 2020 |
| Address | Glen Ellyn, IL 60137 |
| Receiving water | EAST BRANCH OF DUPAGE RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Headwaters East Branch Du Page River (HUC 071200040803) |
| Program components on file | Biosolids, POTW, Pretreatment |
| SIC | 4952 – Sewerage Systems |
| Other EPA IDs (FRS) | RCRA handler ILD113600423; ICIS-AIR source IL000043804AAK |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 40Pollutants on file
- 40Under a numeric limit
- 16With a violation of any kind
- 4With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 14 | 28 | 16 | February 28, 2013 | 460% over the limit |
| Solids, total suspended | 5 | 10 | 10 | February 28, 2026 | 475% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 9 | 9 | December 31, 2025 | 99,999% over the limit |
| Coliform, fecal general | 1 | 4 | 4 | September 30, 2007 | 1,175% over the limit |
| Barium, total [as Ba] | 2 | 7 | 0 | ||
| Copper, total [as Cu] | 2 | 7 | 0 | ||
| Iron, total [as Fe] | 2 | 7 | 0 | ||
| Iron, dissolved [as Fe] | 2 | 7 | 0 | ||
| Manganese, total [as Mn] | 2 | 7 | 0 | ||
| Nickel, total [as Ni] | 2 | 7 | 0 | ||
| Zinc, total [as Zn] | 2 | 7 | 0 | ||
| Chromium, total [as Cr] | 2 | 2 | 0 | ||
| Nitrogen, total [as N] | 2 | 1 | 0 | ||
| Lead, total [as Pb] | 2 | 1 | 0 | ||
| Silver, total [as Ag] | 2 | 1 | 0 | ||
| Temperature, water deg. fahrenheit | 1 | 1 | 0 | ||
| Oxygen, dissolved [DO] | 5 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 0 | 0 | ||
| Phosphorus, total [as P] | 3 | 0 | 0 | ||
| pH | 2 | 0 | 0 | ||
| Oil & Grease | 2 | 0 | 0 | ||
| Cyanide, total [as CN] | 2 | 0 | 0 | ||
| Cyanide, free [amenable to chlorination] | 2 | 0 | 0 | ||
| Fluoride, total [as F] | 2 | 0 | 0 | ||
| Arsenic, total [as As] | 2 | 0 | 0 | ||
| Beryllium, total [as Be] | 2 | 0 | 0 | ||
| Cadmium, total [as Cd] | 2 | 0 | 0 | ||
| Chromium, hexavalent [as Cr] | 2 | 0 | 0 | ||
| Thallium, total [as Tl] | 2 | 0 | 0 | ||
| Antimony, total [as Sb] | 2 | 0 | 0 | ||
| Selenium, total [as Se] | 2 | 0 | 0 | ||
| Phenolics, total recoverable | 2 | 0 | 0 | ||
| Mercury, total [as Hg] | 2 | 0 | 0 | ||
| BOD, 5-day, 20 deg. C | 1 | 0 | 0 | ||
| Alkalinity, total [as CaCO3] | 1 | 0 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 1 | 0 | 0 | ||
| Nitrite + Nitrate total [as N] | 1 | 0 | 0 | ||
| Phosphorus, dissolved | 1 | 0 | 0 | ||
| Chloride [as Cl] | 1 | 0 | 0 | ||
| Chlorine, total residual | 1 | 0 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| April 17, 2026 | Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangerment | ST6 |
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.