Clean Water Act discharge permit · NPDES IL0055751
OAKWOOD TOWNSHIP HIGH SCHOOL STP, Fithian, IL: NPDES IL0055751 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 10Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
OAKWOOD TOWNSHIP HIGH SCHOOL STP, held by OAKWOOD COMMUNITY UNIT DISTRICT #76, holds NPDES permit IL0055751, which discharges to Stony Creek. EPA’s file records it issued April 12, 2018 and expiring April 30, 2023. 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 | OAKWOOD TOWNSHIP HIGH SCHOOL STP |
|---|---|
| Permittee as filed | OAKWOOD COMMUNITY UNIT DISTRICT #76 |
| NPDES ID | IL0055751 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Biosolids |
| Issued | April 12, 2018 |
| Expiration date | April 30, 2023 |
| Address | Fithian, IL 61844 |
| Receiving water | STONY CREEK |
| Subwatershed | Stony Creek (HUC 051201090402) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 10Pollutants on file
- 10Under 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] | 20 | 52 | 34 | May 31, 2026 | 638% over the limit |
| Solids, total suspended | 5 | 23 | 12 | September 30, 2024 | 275% over the limit |
| Oxygen, dissolved [DO] | 5 | 6 | 3 | March 31, 2022 | 3% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 10 | 2 | January 31, 2026 | 40% over the limit |
| Chlorine, total residual | 1 | 16 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 10 | 0 | ||
| pH | 2 | 6 | 0 | ||
| Coliform, fecal general | 1 | 4 | 0 | ||
| BOD, 5-day, 20 deg. C | 1 | 3 | 0 | ||
| Nitrogen, nitrate total [as N] | 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 IL0055751.
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, IL0055751.
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 IL0055751 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.