Clean Water Act discharge permit · NPDES IL0001368
CENTRIO CHICAGO LLC - PLANT 4, Chicago, IL: NPDES IL0001368 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 4, held by ENWAVE USA CHICAGO LLC, holds NPDES permit IL0001368, which discharges to Chicago River. EPA’s file records it issued October 26, 2017 and expiring October 31, 2022. 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 | CENTRIO CHICAGO LLC - PLANT 4 |
|---|---|
| Permittee as filed | ENWAVE USA CHICAGO LLC |
| NPDES ID | IL0001368 |
| 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 | October 26, 2017 |
| Expiration date | October 31, 2022 |
| Address | Chicago, IL 60654 |
| Receiving water | CHICAGO RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | South Branch Chicago River-Chicago Sanitary and Ship Canal (HUC 071200030107) |
| SIC | 4961 – Steam And Air-Conditioning Supply |
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
- 3Pollutants on file
- 2Under a numeric limit
- 3With 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 |
|---|---|---|---|---|---|
| Chlorine, total residual | 0 | 18 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 6 | 0 | ||
| Temperature, water deg. fahrenheit | 2 | 4 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES IL0001368.
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 IL0001368.
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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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 IL0001368 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.