Clean Water Act discharge permit · NPDES ILG551091
I-80 GREAT SAUK TRAIL REST AREA STP, Princeton, IL: NPDES ILG551091 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
I-80 GREAT SAUK TRAIL REST AREA STP, held by ILLINOIS DOT, holds NPDES permit ILG551091, which discharges to West Bureau Creek. EPA’s file records it issued June 10, 2014 and expiring June 30, 2018. 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 | I-80 GREAT SAUK TRAIL REST AREA STP |
|---|---|
| Permittee as filed | ILLINOIS DOT |
| NPDES ID | ILG551091 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | June 10, 2014 |
| Expiration date | June 30, 2018 |
| Address | Princeton, IL 61356 |
| Receiving water | WEST BUREAU CREEK |
| Subwatershed | West Bureau Creek (HUC 071300010402) |
| SIC | 4959 – Sanitary Services |
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
- 9With a violation of any kind
- 1With 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] | 1 | 3 | 1 | April 30, 2017 | 52% over the limit |
| Solids, total suspended | 5 | 82 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 66 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 4 | 64 | 0 | ||
| pH | 2 | 32 | 0 | ||
| BOD, 5-day, 20 deg. C | 1 | 18 | 0 | ||
| Nitrogen, ammonia total [as N] | 1 | 2 | 0 | ||
| Chlorine, total residual | 1 | 2 | 0 | ||
| Coliform, fecal general | 1 | 1 | 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 ILG551091.
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 ILG551091 there.
Nearby on the register
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- Every permit record in Princeton, 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.