Clean Water Act discharge permit · NPDES IL0079201
AQUATIC NUISANCE SPECIES DISPERSAL BARRIER IIB, Romeoville, IL: NPDES IL0079201 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 3Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
AQUATIC NUISANCE SPECIES DISPERSAL BARRIER IIB, held by US ARMY CORPS OF ENGINEERS, holds NPDES permit IL0079201, which discharges to Chicago Sanitary And Ship Canal. EPA’s file records it issued August 31, 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 | AQUATIC NUISANCE SPECIES DISPERSAL BARRIER IIB |
|---|---|
| Permittee as filed | US ARMY CORPS OF ENGINEERS |
| NPDES ID | IL0079201 |
| 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 31, 2015 |
| Expiration date | August 31, 2020 |
| Address | Romeoville, IL 61441 |
| Receiving water | CHICAGO SANITARY AND SHIP CANAL |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Maple Lake-Chicago Sanitary and Ship Canal (HUC 071200040705) |
| SIC | 4449 – Water Transportation Of Freight |
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
- 3Under a numeric limit
- 3With a violation of any kind
- 1With 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 |
|---|---|---|---|---|---|
| pH | 2 | 131 | 3 | December 31, 2012 | |
| Flow, in conduit or thru treatment plant | 2 | 128 | 0 | ||
| Temperature, water deg. fahrenheit | 1 | 65 | 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 IL0079201.
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
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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 IL0079201 there.
Nearby on the register
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- Every permit record in Romeoville, A to Z
- Discharge permits in Illinois
- Every permit record in Illinois, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.