Clean Water Act discharge permit · NPDES IL0028428
CASCADE DRIVE-IN THEATRE STP, West Chicago, IL: NPDES IL0028428 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 10Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
CASCADE DRIVE-IN THEATRE STP, held by DUPAGE COUNTY PUBLIC WORKS, holds NPDES permit IL0028428, which discharges to West Branch Of Dupage River. EPA’s file records it issued August 13, 2020 and expiring August 31, 2025. 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 | CASCADE DRIVE-IN THEATRE STP |
|---|---|
| Permittee as filed | DUPAGE COUNTY PUBLIC WORKS |
| NPDES ID | IL0028428 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | August 13, 2020 |
| Expiration date | August 31, 2025 |
| Address | West Chicago, IL 60185 |
| Receiving water | WEST BRANCH OF DUPAGE RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Upper West Branch Du Page River (HUC 071200040801) |
| Program components on file | Biosolids, POTW |
| SIC | 4952 – Sewerage Systems |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 10Pollutants on file
- 10Under a numeric limit
- 7With a violation of any kind
- 5With 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 |
|---|---|---|---|---|---|
| Oxygen, dissolved [DO] | 5 | 23 | 21 | February 29, 2012 | 99,999% over the limit |
| Coliform, fecal general | 1 | 9 | 8 | September 30, 2011 | 1,425% over the limit |
| Solids, total suspended | 5 | 3 | 3 | September 30, 2011 | 160% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 2 | 2 | September 30, 2011 | 36% over the limit |
| pH | 2 | 2 | 2 | April 30, 2011 | |
| Chlorine, total residual | 1 | 8 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 2 | 0 | ||
| BOD, 5-day, 20 deg. C | 1 | 0 | 0 | ||
| Nitrogen, ammonia total [as N] | 1 | 0 | 0 | ||
| Phosphorus, total [as P] | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES IL0028428.
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.
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, IL0028428.
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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 IL0028428 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.