Clean Water Act discharge permit · NPDES ILG551037
UNION HILLS SUBDIVISION STP, Carbondale, IL: NPDES ILG551037 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
UNION HILLS SUBDIVISION STP, held by LENORE BASIN CORPORATION, holds NPDES permit ILG551037, which discharges to Unnamed Tributary Of Little Crab Orchard Creek. EPA’s file records it issued January 2, 2015 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 | UNION HILLS SUBDIVISION STP |
|---|---|
| Permittee as filed | LENORE BASIN CORPORATION |
| NPDES ID | ILG551037 |
| 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 | January 2, 2015 |
| Expiration date | June 30, 2018 |
| Address | Carbondale, IL 62903 |
| Receiving water | UNNAMED TRIBUTARY OF LITTLE CRAB ORCHARD CREEK |
| Subwatershed | Little Crab Orchard Creek-Crab Orchard Creek (HUC 071401060809) |
| 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
- 7With a violation of any kind
- 3With 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 | 14 | 14 | August 31, 2020 | 50% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 6 | 2 | November 30, 2005 | 32% over the limit |
| pH | 2 | 5 | 1 | April 30, 1998 | |
| Flow, in conduit or thru treatment plant | 4 | 10 | 0 | ||
| Solids, total suspended | 5 | 8 | 0 | ||
| BOD, 5-day, 20 deg. C | 1 | 3 | 0 | ||
| Chlorine, total residual | 1 | 1 | 0 | ||
| Nitrogen, ammonia total [as N] | 1 | 0 | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES ILG551037.
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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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 ILG551037 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.