Clean Water Act discharge permit · NPDES IL0027898
CARBONDALE SOUTHEAST STP, CITY OF, Carbondale, IL: NPDES IL0027898 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 14Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
CARBONDALE SOUTHEAST STP, CITY OF, held by CITY OF CARBONDALE, holds NPDES permit IL0027898, which discharges to Unnamed Trib To Crab Orchard Creek. EPA’s file records it issued July 27, 2011 and expiring August 31, 2016. 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 | CARBONDALE SOUTHEAST STP, CITY OF |
|---|---|
| Permittee as filed | CITY OF CARBONDALE |
| NPDES ID | IL0027898 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | July 27, 2011 |
| Expiration date | August 31, 2016 |
| Address | Carbondale, IL 62901 |
| Receiving water | UNNAMED TRIB TO CRAB ORCHARD CREEK |
| Subwatershed | Little Crab Orchard Creek-Crab Orchard Creek (HUC 071401060809) |
| Program components on file | Biosolids, POTW, Pretreatment |
| 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
- 14Pollutants on file
- 14Under a numeric limit
- 13With 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 |
|---|---|---|---|---|---|
| Coliform, fecal general | 1 | 26 | 25 | June 30, 2024 | 99,999% over the limit |
| Solids, total suspended | 5 | 32 | 17 | June 30, 2023 | 1,450% over the limit |
| Nitrogen, ammonia total [as N] | 8 | 35 | 11 | April 30, 2025 | 173% over the limit |
| Oxygen, dissolved [DO] | 5 | 14 | 3 | August 31, 2025 | 29% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 15 | 1 | January 31, 2013 | 51% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 12 | 0 | ||
| Nitrogen, nitrate total [as N] | 2 | 10 | 0 | ||
| Copper, total [as Cu] | 1 | 9 | 0 | ||
| Nitrogen, total [as N] | 2 | 8 | 0 | ||
| pH | 2 | 6 | 0 | ||
| Chlorine, total residual | 1 | 5 | 0 | ||
| Phosphorus, total [as P] | 1 | 4 | 0 | ||
| BOD, 5-day, 20 deg. C | 1 | 3 | 0 | ||
| Zinc, total [as Zn] | 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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| November 14, 2024 | Dry-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
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, IL0027898.
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- One watershed — $2,990/year
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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 IL0027898 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.