Clean Water Act discharge permit · NPDES ILR10ZFQU
1200 E DIEHL ROAD, Naperville, IL: NPDES ILR10ZFQU discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
- 2Inspections on file
- 0Formal enforcement actions
1200 E DIEHL ROAD, held by Hines, holds NPDES permit ILR10ZFQU. EPA’s file records it issued July 2, 2025 and expiring August 31, 2028. 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.
Identity
| Facility as filed | 1200 E DIEHL ROAD |
|---|---|
| Permittee as filed | Hines |
| NPDES ID | ILR10ZFQU |
| 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 | July 2, 2025 |
| Expiration date | August 31, 2028 |
| Issuing agency | IEPA |
| Address | Naperville, IL 60563 |
| Subwatershed | Lower West Branch Du Page River (HUC 071200040805) |
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 ILR10ZFQU.
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 ILR10ZFQU.
Inspections
| Date | What EPA recorded | Agency |
|---|---|---|
| February 6, 2026 | Follow-Up | S |
| January 7, 2026 | Evaluation | S |
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
EPA’s informal enforcement file holds no action for NPDES ILR10ZFQU.
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 ILR10ZFQU there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.