Clean Water Act discharge permit · NPDES IL0034436
CENTRIO CHICAGO LLC - PLANT 6, Chicago, IL: NPDES IL0034436 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 2Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
CENTRIO CHICAGO LLC - PLANT 6, held by ENWAVE USA CHICAGO LLC, holds NPDES permit IL0034436, which discharges to South Branch Chicago River. EPA’s file records it issued August 23, 2017 and expiring July 31, 2022. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
What the register holds for CENTRIO CHICAGO LLC - PLANT 6: its NPDES ID, its permit type and status, its dates, its address in Chicago, Illinois, its receiving water, and 2 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES IL0034436.
Identity
| Facility as filed | CENTRIO CHICAGO LLC - PLANT 6 |
|---|---|
| Permittee as filed | ENWAVE USA CHICAGO LLC |
| NPDES ID | IL0034436 |
| 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 | August 23, 2017 |
| Expiration date | July 31, 2022 |
| Address | Chicago, IL 60607 |
| Receiving water | SOUTH BRANCH CHICAGO RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | South Branch Chicago River-Chicago Sanitary and Ship Canal (HUC 071200030107) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 2Pollutants on file
- 2Under a numeric limit
- 0With a violation of any kind
- 0With 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 |
|---|---|---|---|---|---|
| Temperature, water deg. fahrenheit | 2 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES IL0034436.
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 IL0034436.
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
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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 IL0034436 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.