Clean Water Act discharge permit · NPDES IL0030457
PONTIAC WWTP, CITY OF, Pontiac, IL: NPDES IL0030457 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 33Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
PONTIAC WWTP, CITY OF, held by PONTIAC, CITY OF, holds NPDES permit IL0030457, which discharges to Vermillion River. EPA’s file records it issued December 15, 2015 and expiring November 30, 2020. 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.
Identity
| Facility as filed | PONTIAC WWTP, CITY OF |
|---|---|
| Permittee as filed | PONTIAC, CITY OF |
| NPDES ID | IL0030457 |
| 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 | December 15, 2015 |
| Expiration date | November 30, 2020 |
| Address | Pontiac, IL 61764 |
| Receiving water | VERMILLION RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Smiths Branch-Vermilion River (HUC 071300020305) |
| Program components on file | Biosolids, CSO, POTW, Pretreatment |
| SIC | 4952 – Sewerage Systems |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 37Pollutants on file
- 33Under 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 36 | 26 | 26 | February 29, 2024 | 248% over the limit |
| Nitrite + Nitrate total [as N] | 2 | 19 | 19 | July 31, 2026 | 224% over the limit |
| Solids, total suspended | 9 | 6 | 6 | December 31, 2024 | 36% over the limit |
| Chlorine, total residual | 4 | 2 | 1 | May 31, 2022 | 5% over the limit |
| Coliform, fecal general | 2 | 1 | 1 | August 31, 2018 | 82% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 8 | 4 | 0 | ||
| Rainfall | 0 | 2 | 0 | ||
| Overflows | 5 | 1 | 0 | ||
| Mercury, total [as Hg] | 2 | 1 | 0 | ||
| Rainfall duration | 0 | 1 | 0 | ||
| Duration | 0 | 1 | 0 | ||
| Flow | 0 | 1 | 0 | ||
| Oxygen, dissolved [DO] | 10 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 6 | 0 | 0 | ||
| pH | 4 | 0 | 0 | ||
| Copper, total [as Cu] | 4 | 0 | 0 | ||
| Oil & Grease | 2 | 0 | 0 | ||
| Nitrogen, total [as N] | 2 | 0 | 0 | ||
| Phosphorus, total [as P] | 2 | 0 | 0 | ||
| Cyanide, total [as CN] | 2 | 0 | 0 | ||
| Cyanide, free [amenable to chlorination] | 2 | 0 | 0 | ||
| Fluoride, total [as F] | 2 | 0 | 0 | ||
| Arsenic, total [as As] | 2 | 0 | 0 | ||
| Barium, total [as Ba] | 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 | ||
| Nickel, total [as Ni] | 2 | 0 | 0 | ||
| Silver, total [as Ag] | 2 | 0 | 0 | ||
| Zinc, total [as Zn] | 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 IL0030457.
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, IL0030457.
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 IL0030457 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.