Clean Water Act discharge permit · NPDES ILR10ZDAG
BLOCK 59-NAPERVILLE, Naperville, IL: NPDES ILR10ZDAG discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
BLOCK 59-NAPERVILLE, held by Osman Construction Corporation, holds NPDES permit ILR10ZDAG. EPA’s file records it issued September 25, 2023 and expiring August 31, 2028. 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 BLOCK 59-NAPERVILLE: its NPDES ID, its permit type and status, its dates, its address in Naperville, Illinois. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ILR10ZDAG.
Identity
| Facility as filed | BLOCK 59-NAPERVILLE |
|---|---|
| Permittee as filed | Osman Construction Corporation |
| NPDES ID | ILR10ZDAG |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Construction stormwater |
| Issued | September 25, 2023 |
| Expiration date | August 31, 2028 |
| Issuing agency | IEPA |
| Address | Naperville, IL 60540 |
| Subwatershed | Spring Brook-Du Page River (HUC 071200040806) |
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 ILR10ZDAG.
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 ILR10ZDAG.
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 ILR10ZDAG there.
Nearby on the register
- Discharge permits in Naperville
- Every permit record in Naperville, 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.