Clean Water Act discharge permit · NPDES IL0034061
NAPERVILLE-SPRINGBROOK WRC, Naperville, IL: NPDES IL0034061 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 12Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
NAPERVILLE-SPRINGBROOK WRC, held by NAPERVILLE, CITY OF, holds NPDES permit IL0034061, which discharges to Dupage River. EPA’s file records it issued April 29, 2011 and expiring April 30, 2016. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | NAPERVILLE-SPRINGBROOK WRC |
|---|---|
| Permittee as filed | NAPERVILLE, CITY OF |
| NPDES ID | IL0034061 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | April 29, 2011 |
| Expiration date | April 30, 2016 |
| Address | Naperville, IL 60564 |
| Receiving water | DUPAGE RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Lower West Branch Du Page River (HUC 071200040805) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 12Pollutants on file
- 12Under a numeric limit
- 12With a violation of any kind
- 5With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 7 | 31 | 24 | March 31, 2022 | 254% over the limit |
| Coliform, fecal general | 1 | 12 | 12 | May 31, 2022 | 539% over the limit |
| Oxygen, dissolved [DO] | 5 | 9 | 6 | July 31, 2015 | 20% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 8 | 4 | March 31, 2022 | 30% over the limit |
| Chlorine, total residual | 2 | 2 | 1 | May 31, 2008 | 40% over the limit |
| Nitrogen, ammonia total [as N] | 50 | 4 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 4 | 0 | ||
| BOD, 5-day, 20 deg. C | 3 | 3 | 0 | ||
| pH | 2 | 2 | 0 | ||
| Flow | 2 | 2 | 0 | ||
| Nitrogen, total [as N] | 1 | 1 | 0 | ||
| Phosphorus, total [as P] | 1 | 1 | 0 |
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 IL0034061.
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, IL0034061.
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 IL0034061 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.