Clean Water Act discharge permit · NPDES ILG870926
SEMPER YI YARD SERVICES INC, Yorkville, IL: NPDES ILG870926 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
SEMPER YI YARD SERVICES INC holds NPDES permit ILG870926. EPA’s file records it issued August 24, 2023 and expiring September 30, 2027. 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.
What the register holds for SEMPER YI YARD SERVICES INC: its NPDES ID, its permit type and status, its dates, its address in Yorkville, Illinois. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ILG870926.
Identity
| Facility as filed | SEMPER YI YARD SERVICES INC |
|---|---|
| Permittee as filed | SEMPER YI YARD SERVICES INC |
| NPDES ID | ILG870926 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | August 24, 2023 |
| Expiration date | September 30, 2027 |
| Address | Yorkville, IL 60560 |
| Subwatershed | Town of Oswego-Fox River (HUC 071200070111) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 0Pollutants on file
- 0Under a numeric limit
- 0With a violation of any kind
- 0With an effluent exceedance
EPA’s limits and effluent violation files hold no pollutant row for NPDES ILG870926.
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 ILG870926.
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 ILG870926 there.
Nearby on the register
- Discharge permits in Yorkville
- Every permit record in Yorkville, 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.