Clean Water Act discharge permit · NPDES IL0033553
JOLIET - WESTSIDE STP, CITY OF, Joliet, IL: NPDES IL0033553 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 31Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
JOLIET - WESTSIDE STP, CITY OF, held by JOLIET, CITY OF, holds NPDES permit IL0033553, which discharges to Des Plaines River. EPA’s file records it issued June 29, 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 - WESTSIDE STP, CITY OF |
|---|---|
| Permittee as filed | JOLIET, CITY OF |
| NPDES ID | IL0033553 |
| 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 29, 2015 |
| Expiration date | June 30, 2020 |
| Address | Joliet, IL 60436 |
| Receiving water | DES PLAINES RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Des Plaines River (HUC 071200040905) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 32Pollutants on file
- 31Under a numeric limit
- 9With a violation of any kind
- 4With 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] | 48 | 77 | 77 | August 31, 2018 | 1,128% over the limit |
| Solids, total suspended | 5 | 6 | 6 | January 31, 2017 | 91% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 2 | 2 | March 31, 2003 | 5% over the limit |
| Phosphorus, total [as P] | 3 | 2 | 2 | January 31, 2021 | 129% over the limit |
| Chlorine, total residual | 0 | 15 | 0 | ||
| Chromium, hexavalent [as Cr] | 2 | 1 | 0 | ||
| Copper, total [as Cu] | 2 | 1 | 0 | ||
| Mercury, total [as Hg] | 2 | 1 | 0 | ||
| Nitrogen, total [as N] | 1 | 1 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 0 | 0 | ||
| pH | 2 | 0 | 0 | ||
| Oil & Grease | 2 | 0 | 0 | ||
| Cyanide, weak acid, dissociable | 2 | 0 | 0 | ||
| Cyanide, total [as CN] | 2 | 0 | 0 | ||
| Fluoride, total [as F] | 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, 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 | ||
| 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 | ||
| BOD, 5-day, 20 deg. C | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES IL0033553.
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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, IL0033553.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 IL0033553 there.
Nearby on the register
- Discharge permits in Joliet
- Every permit record in Joliet, A to Z
- Discharge permits in Illinois
- Every permit record in Illinois, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.