Clean Water Act discharge permit · NPDES ILR10ZFUY
5200 KATRINE AVE, Downers Grove, IL: NPDES ILR10ZFUY discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
5200 KATRINE AVE, held by Darius Nakvosas, holds NPDES permit ILR10ZFUY. EPA’s file records it issued July 27, 2025 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 5200 KATRINE AVE: its NPDES ID, its permit type and status, its dates, its address in Downers Grove, Illinois. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ILR10ZFUY.
Identity
| Facility as filed | 5200 KATRINE AVE |
|---|---|
| Permittee as filed | Darius Nakvosas |
| NPDES ID | ILR10ZFUY |
| 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 27, 2025 |
| Expiration date | August 31, 2028 |
| Issuing agency | IEPA |
| Address | Downers Grove, IL 60516 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | East Branch Du Page River (HUC 071200040804) |
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 ILR10ZFUY.
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 ILR10ZFUY.
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 ILR10ZFUY there.
Nearby on the register
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- Every permit record in Illinois, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.