Clean Water Act discharge permit · NPDES IL0063495
WEST CHICAGO ENVIRONMENTAL RESPONSE TRUST, West Chicago, IL: NPDES IL0063495 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 15Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
WEST CHICAGO ENVIRONMENTAL RESPONSE TRUST holds NPDES permit IL0063495, which discharges to West Branch Dupage River. EPA’s file records it issued May 15, 2019 and expiring May 31, 2024. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | WEST CHICAGO ENVIRONMENTAL RESPONSE TRUST |
|---|---|
| Permittee as filed | WEST CHICAGO ENVIRONMENTAL RESPONSE TRUST |
| NPDES ID | IL0063495 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | May 15, 2019 |
| Expiration date | May 31, 2024 |
| Address | West Chicago, IL 60185 |
| Receiving water | WEST BRANCH DUPAGE RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Middle West Branch Du Page River (HUC 071200040802) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 17Pollutants on file
- 15Under a numeric limit
- 17With a violation of any kind
- 7With 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] | 56 | 159 | 6 | July 31, 2004 | 100% over the limit |
| Nickel, total [as Ni] | 16 | 98 | 6 | May 31, 2026 | 118% over the limit |
| Solids, total suspended | 16 | 146 | 5 | March 31, 2002 | 107% over the limit |
| Copper, total [as Cu] | 16 | 134 | 5 | July 31, 2006 | 71% over the limit |
| Silver, total [as Ag] | 8 | 100 | 5 | November 30, 1998 | 14% over the limit |
| Manganese, total [as Mn] | 16 | 149 | 4 | August 31, 2014 | 55% over the limit |
| Mercury, total [as Hg] | 2 | 49 | 1 | August 31, 2014 | 377% over the limit |
| Iron, total [as Fe] | 16 | 145 | 0 | ||
| Oil and grease | 16 | 145 | 0 | ||
| Lead, total [as Pb] | 16 | 119 | 0 | ||
| pH | 4 | 99 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 96 | 0 | ||
| Sulfate, total [as SO4] | 4 | 73 | 0 | ||
| Chloride [as Cl] | 8 | 72 | 0 | ||
| Fluoride, total [as F] | 4 | 71 | 0 | ||
| Boron, total [as B] | 0 | 25 | 0 | ||
| Solids, total dissolved- 180 deg. C | 0 | 25 | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES IL0063495.
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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.
Watch this permit
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, IL0063495.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID IL0063495 there.
Nearby on the register
- Discharge permits in West Chicago
- Every permit record in West Chicago, A to Z
- Discharge permits in Illinois
- Every permit record in Illinois, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.