Clean Water Act discharge permit · NPDES IL0073521
INTERSTATE PLAZA - STP, Bloomington, IL: NPDES IL0073521 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
INTERSTATE PLAZA - STP, held by INTERSTATE PLAZA, holds NPDES permit IL0073521, which discharges to Unnamed Trib To Timber Creek. EPA’s file records it issued December 9, 2020 and expiring December 31, 2025. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | INTERSTATE PLAZA - STP |
|---|---|
| Permittee as filed | INTERSTATE PLAZA |
| NPDES ID | IL0073521 |
| 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 |
| Issued | December 9, 2020 |
| Expiration date | December 31, 2025 |
| Address | Bloomington, IL 61701 |
| Receiving water | UNNAMED TRIB TO TIMBER CREEK |
| Subwatershed | Timber Creek (HUC 071300090702) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 9Pollutants on file
- 9Under a numeric limit
- 9With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 5 | 83 | 55 | September 30, 2025 | 519% over the limit |
| Nitrogen, ammonia total [as N] | 16 | 66 | 30 | April 30, 2024 | 1,312% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 44 | 20 | April 30, 2024 | 213% over the limit |
| pH | 2 | 13 | 1 | December 31, 2021 | |
| Oxygen, dissolved [DO] | 5 | 9 | 1 | June 30, 2006 | 33% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 20 | 0 | ||
| Chlorine, total residual | 1 | 6 | 0 | ||
| BOD, 5-day, 20 deg. C | 1 | 4 | 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 IL0073521.
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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 IL0073521 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.