Clean Water Act discharge permit · NPDES IL0022519
JOLIET EASTSIDE STP, CITY OF, Joliet, IL: NPDES IL0022519 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 36Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
JOLIET EASTSIDE STP, CITY OF, held by JOLIET, CITY OF, holds NPDES permit IL0022519, which discharges to Des Plaines River. EPA’s file records it issued September 29, 2016 and expiring September 30, 2021. 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 | JOLIET EASTSIDE STP, CITY OF |
|---|---|
| Permittee as filed | JOLIET, CITY OF |
| NPDES ID | IL0022519 |
| 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 | September 29, 2016 |
| Expiration date | September 30, 2021 |
| Address | Joliet, IL 60436 |
| Receiving water | DES PLAINES RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Headwaters Spring Creek (HUC 071200020805) |
| Other EPA IDs (FRS) | RCRA handler ILD000672725 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 44Pollutants on file
- 36Under a numeric limit
- 18With a violation of any kind
- 9With 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 |
|---|---|---|---|---|---|
| Copper, total [as Cu] | 2 | 80 | 80 | October 31, 2024 | 2,940% over the limit |
| Fluoride, total [as F] | 2 | 71 | 71 | June 30, 2012 | 111% over the limit |
| Solids, total suspended | 6 | 45 | 45 | July 31, 2024 | 99,999% over the limit |
| Nitrogen, ammonia total [as N] | 17 | 22 | 22 | July 31, 2026 | 155% over the limit |
| Zinc, total [as Zn] | 2 | 15 | 15 | December 31, 2011 | 252% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 8 | 8 | May 31, 2014 | 50% over the limit |
| Phosphorus, total [as P] | 5 | 4 | 2 | May 31, 2021 | 157% over the limit |
| Oxygen, dissolved [DO] | 5 | 2 | 2 | December 31, 2011 | 10% over the limit |
| Coliform, fecal general | 2 | 1 | 1 | May 31, 2021 | 505% over the limit |
| Arsenic, dry weight | 0 | 6 | 0 | ||
| Selenium, dry weight | 0 | 6 | 0 | ||
| Copper, dry weight | 0 | 6 | 0 | ||
| Cadmium, dry weight | 0 | 6 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 0 | 6 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 0 | 6 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 0 | 6 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 0 | 6 | 0 | ||
| Chlorine, total residual | 1 | 1 | 0 | ||
| Overflows | 8 | 0 | 0 | ||
| pH | 4 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 0 | 0 | ||
| BOD, 5-day, 20 deg. C | 2 | 0 | 0 | ||
| Oil & Grease | 2 | 0 | 0 | ||
| Cyanide, total [as CN] | 2 | 0 | 0 | ||
| Cyanide, free [amenable to chlorination] | 2 | 0 | 0 | ||
| Arsenic, total [as As] | 2 | 0 | 0 | ||
| Barium, total [as Ba] | 2 | 0 | 0 | ||
| Beryllium, total [as Be] | 2 | 0 | 0 | ||
| Cadmium, total [as Cd] | 2 | 0 | 0 | ||
| Chromium, hexavalent [as Cr] | 2 | 0 | 0 | ||
| Chromium, total [as Cr] | 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 | ||
| Antimony, total [as Sb] | 2 | 0 | 0 | ||
| Selenium, total [as Se] | 2 | 0 | 0 | ||
| Phenolics, total recoverable | 2 | 0 | 0 | ||
| Mercury, total [as Hg] | 2 | 0 | 0 | ||
| Nitrogen, total [as N] | 1 | 0 | 0 | ||
| Flow, total | 1 | 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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| June 16, 2025 | Dry-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
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 IL0022519 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.