Clean Water Act discharge permit · NPDES IL0076414
JOLIET AUX SABLE CREEK BASIN WWTP, City Of Joliet, IL: NPDES IL0076414 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 40Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
JOLIET AUX SABLE CREEK BASIN WWTP, held by JOLIET, CITY OF, holds NPDES permit IL0076414, which discharges to Dupage River. EPA’s file records it issued June 30, 2015 and expiring June 30, 2020. 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 | JOLIET AUX SABLE CREEK BASIN WWTP |
|---|---|
| Permittee as filed | JOLIET, CITY OF |
| NPDES ID | IL0076414 |
| 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 | June 30, 2015 |
| Expiration date | June 30, 2020 |
| Address | City Of Joliet, IL 60431 |
| Receiving water | DUPAGE RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Du Page River (HUC 071200040810) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 40Pollutants on file
- 40Under a numeric limit
- 15With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 28 | 42 | 38 | June 30, 2026 | 588% over the limit |
| Coliform, fecal general | 2 | 9 | 9 | October 31, 2021 | 2,950% over the limit |
| Solids, total suspended | 10 | 13 | 8 | June 30, 2018 | 99,999% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 8 | 12 | 8 | February 28, 2018 | 239% over the limit |
| Phosphorus, total [as P] | 10 | 6 | 3 | September 30, 2022 | 41% over the limit |
| Chlorine, total residual | 2 | 64 | 0 | ||
| Flow, in conduit or thru treatment plant | 8 | 4 | 0 | ||
| Nitrogen, total [as N] | 4 | 3 | 0 | ||
| pH | 4 | 2 | 0 | ||
| Mercury, total [as Hg] | 2 | 2 | 0 | ||
| Oxygen, dissolved [DO] | 10 | 1 | 0 | ||
| Temperature, water deg. fahrenheit | 2 | 1 | 0 | ||
| BOD, 5-day, 20 deg. C | 2 | 1 | 0 | ||
| Barium, total [as Ba] | 2 | 1 | 0 | ||
| Chromium, hexavalent [as Cr] | 2 | 1 | 0 | ||
| Alkalinity, total [as CaCO3] | 2 | 0 | 0 | ||
| Oil & Grease | 2 | 0 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 2 | 0 | 0 | ||
| Nitrite + Nitrate total [as N] | 2 | 0 | 0 | ||
| Phosphorus, dissolved | 2 | 0 | 0 | ||
| Cyanide, weak acid, dissociable | 2 | 0 | 0 | ||
| Cyanide, total [as CN] | 2 | 0 | 0 | ||
| Chloride [as Cl] | 2 | 0 | 0 | ||
| Fluoride, total [as F] | 2 | 0 | 0 | ||
| Arsenic, total [as As] | 2 | 0 | 0 | ||
| Beryllium, total [as Be] | 2 | 0 | 0 | ||
| Cadmium, total [as Cd] | 2 | 0 | 0 | ||
| Chromium, total [as Cr] | 2 | 0 | 0 | ||
| Copper, total [as Cu] | 2 | 0 | 0 | ||
| Iron, total [as Fe] | 2 | 0 | 0 | ||
| Iron, dissolved [as Fe] | 2 | 0 | 0 | ||
| Lead, total [as Pb] | 2 | 0 | 0 | ||
| Manganese, total [as Mn] | 2 | 0 | 0 | ||
| Thallium, total [as Tl] | 2 | 0 | 0 | ||
| Nickel, total [as Ni] | 2 | 0 | 0 | ||
| Silver, total [as Ag] | 2 | 0 | 0 | ||
| Zinc, total [as Zn] | 2 | 0 | 0 | ||
| Antimony, total [as Sb] | 2 | 0 | 0 | ||
| Selenium, total [as Se] | 2 | 0 | 0 | ||
| Phenolics, total recoverable | 2 | 0 | 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 IL0076414.
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 IL0076414 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.