Clean Water Act discharge permit · NPDES IL0021679
CARROLLTON STP, CITY OF, Carrollton, IL: NPDES IL0021679 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 10Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
CARROLLTON STP, CITY OF, held by CARROLLTON, CITY OF, holds NPDES permit IL0021679, which discharges to Unamed Trib To Link Branch. EPA’s file records it issued September 28, 2017 and expiring September 30, 2022. 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 | CARROLLTON STP, CITY OF |
|---|---|
| Permittee as filed | CARROLLTON, CITY OF |
| NPDES ID | IL0021679 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | September 28, 2017 |
| Expiration date | September 30, 2022 |
| Address | Carrollton, IL 62016 |
| Receiving water | UNAMED TRIB TO LINK BRANCH |
| Subwatershed | Link Branch-Lower Macoupin Creek (HUC 071300120602) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 10Pollutants on file
- 10Under a numeric limit
- 4With 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 |
|---|---|---|---|---|---|
| Coliform, fecal general | 2 | 53 | 53 | December 31, 2015 | 99,999% over the limit |
| Chlorine, total residual | 2 | 9 | 8 | May 31, 2013 | 65% over the limit |
| Solids, total suspended | 7 | 1 | 1 | June 30, 2004 | 7% over the limit |
| Oxygen, dissolved [DO] | 6 | 1 | 1 | March 31, 2013 | 93% over the limit |
| Nitrogen, ammonia total [as N] | 17 | 0 | 0 | ||
| pH | 4 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 0 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 4 | 0 | 0 | ||
| BOD, 5-day, 20 deg. C | 3 | 0 | 0 | ||
| Flow, total | 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 IL0021679.
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 IL0021679 there.
Nearby on the register
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- Every permit record in Illinois, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.