Clean Water Act discharge permit · NPDES ILM580037
POSEN CSOS, VILLAGE OF, Posen, IL: NPDES ILM580037 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 1Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
POSEN CSOS, VILLAGE OF holds NPDES permit ILM580037, which discharges to Calumet Sag Channel. EPA’s file records it issued August 1, 2003 and expiring May 31, 2008. 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 POSEN CSOS, VILLAGE OF: its NPDES ID, its permit type and status, its dates, its address in Posen, Illinois, its receiving water, and 1 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ILM580037.
Identity
| Facility as filed | POSEN CSOS, VILLAGE OF |
|---|---|
| Permittee as filed | POSEN CSOS, VILLAGE OF |
| NPDES ID | ILM580037 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Combined sewer overflows |
| Issued | August 1, 2003 |
| Expiration date | May 31, 2008 |
| Address | Posen, IL 60469 |
| Receiving water | CALUMET SAG CHANNEL |
| Subwatershed | Little Calumet River (HUC 071200030405) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 1Pollutants on file
- 1Under 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 |
|---|---|---|---|---|---|
| Flow | 1 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES ILM580037.
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 ILM580037.
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, ILM580037.
Start the watch
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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 ILM580037 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.