Clean Water Act discharge permit · NPDES IL0022497
GILLESPIE STP, VILLAGE OF, Gillespie, IL: NPDES IL0022497 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
GILLESPIE STP, VILLAGE OF, held by GILLESPIE, CITY OF, holds NPDES permit IL0022497, which discharges to Unnamed Trib Of Bear Creek. EPA’s file records it issued April 28, 2017 and expiring April 30, 2022. 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 | GILLESPIE STP, VILLAGE OF |
|---|---|
| Permittee as filed | GILLESPIE, CITY OF |
| NPDES ID | IL0022497 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | April 28, 2017 |
| Expiration date | April 30, 2022 |
| Address | Gillespie, IL 62033 |
| Receiving water | UNNAMED TRIB OF BEAR CREEK |
| Subwatershed | Bear Creek-Cahokia Creek (HUC 071401010101) |
| Program components on file | Biosolids, POTW |
| 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
- 9Pollutants on file
- 9Under a numeric limit
- 8With 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 |
|---|---|---|---|---|---|
| Oxygen, dissolved [DO] | 5 | 84 | 84 | November 30, 2024 | 83% over the limit |
| Solids, total suspended | 5 | 197 | 10 | May 31, 2019 | 65% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 148 | 2 | March 31, 2021 | 6% over the limit |
| pH | 2 | 76 | 2 | August 31, 2018 | |
| Flow, in conduit or thru treatment plant | 4 | 148 | 0 | ||
| BOD, 5-day, 20 deg. C | 1 | 39 | 0 | ||
| Chlorine, total residual | 1 | 27 | 0 | ||
| Nitrogen, ammonia total [as N] | 1 | 1 | 0 | ||
| Coliform, fecal general | 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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| May 14, 2026 | Dry-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| May 6, 2026 | 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.
Watch this permit
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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 IL0022497 there.
Nearby on the register
- Discharge permits in Gillespie
- Every permit record in Gillespie, A to Z
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- Every permit record in Illinois, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.