Clean Water Act discharge permit · NPDES IL0025232
STOOKEY TOWNSHIP MAIN STP, Belleville, IL: NPDES IL0025232 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 31Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
STOOKEY TOWNSHIP MAIN STP, held by STOOKEY TOWNSHIP, holds NPDES permit IL0025232, which discharges to Prairie Dupont Creek. EPA’s file records it issued February 24, 2016 and expiring February 28, 2021. 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 | STOOKEY TOWNSHIP MAIN STP |
|---|---|
| Permittee as filed | STOOKEY TOWNSHIP |
| NPDES ID | IL0025232 |
| 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 | February 24, 2016 |
| Expiration date | February 28, 2021 |
| Address | Belleville, IL 62223 |
| Receiving water | PRAIRIE DUPONT CREEK |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Upper Prairie du Pont Creek (HUC 071401010501) |
| Program components on file | Biosolids, POTW |
| SIC | 4952 – Sewerage Systems |
| Other EPA IDs (FRS) | ICIS-AIR source IL000163010AFS |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 32Pollutants on file
- 31Under a numeric limit
- 29With a violation of any kind
- 6With 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 |
|---|---|---|---|---|---|
| Oxygen, dissolved [DO] | 5 | 72 | 71 | February 28, 2021 | 105% over the limit |
| Nitrogen, ammonia total [as N] | 14 | 14 | 6 | February 29, 2004 | 107% over the limit |
| Zinc, total [as Zn] | 4 | 7 | 3 | November 30, 2017 | 765% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 97 | 1 | April 30, 2010 | 195% over the limit |
| pH | 2 | 1 | 1 | September 30, 2007 | |
| Phosphorus, total [as P] | 2 | 1 | 1 | April 30, 2017 | 64% over the limit |
| Iron, total [as Fe] | 2 | 4 | 0 | ||
| Iron, dissolved [as Fe] | 2 | 4 | 0 | ||
| Lead, total [as Pb] | 2 | 4 | 0 | ||
| Manganese, total [as Mn] | 2 | 4 | 0 | ||
| Nickel, total [as Ni] | 2 | 4 | 0 | ||
| Silver, total [as Ag] | 2 | 4 | 0 | ||
| Selenium, total [as Se] | 2 | 4 | 0 | ||
| Phenolics, total recoverable | 2 | 4 | 0 | ||
| Mercury, total [as Hg] | 2 | 4 | 0 | ||
| Coliform, fecal general | 1 | 4 | 0 | ||
| Oil & Grease | 2 | 2 | 0 | ||
| Cyanide, total [as CN] | 2 | 2 | 0 | ||
| Fluoride, total [as F] | 2 | 2 | 0 | ||
| Arsenic, total [as As] | 2 | 2 | 0 | ||
| Barium, total [as Ba] | 2 | 2 | 0 | ||
| Cadmium, total [as Cd] | 2 | 2 | 0 | ||
| Chromium, hexavalent [as Cr] | 2 | 2 | 0 | ||
| Chromium, total [as Cr] | 2 | 2 | 0 | ||
| Copper, total [as Cu] | 2 | 2 | 0 | ||
| Chlorine, total residual | 2 | 2 | 0 | ||
| Cyanide, free [amenable to chlorination] | 2 | 1 | 0 | ||
| Nitrogen, total [as N] | 1 | 1 | 0 | ||
| Cyanide, weak acid, dissociable | 0 | 1 | 0 | ||
| Solids, total suspended | 5 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 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
- 3Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| April 4, 2025 | Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | ST6 |
| March 14, 2025 | Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | ST6 |
| November 4, 2024 | Wet-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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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.