Clean Water Act discharge permit · NPDES ILL027723
THORN CREEK BASIN SD STP, Chicago Heights, IL: NPDES ILL027723 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
THORN CREEK BASIN SD STP holds NPDES permit ILL027723. EPA’s file records it issued January 1, 2021 and expiring December 31, 2025. 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 | THORN CREEK BASIN SD STP |
|---|---|
| Permittee as filed | THORN CREEK BASIN SD STP |
| NPDES ID | ILL027723 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Associated permit record |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Biosolids |
| Issued | January 1, 2021 |
| Expiration date | December 31, 2025 |
| Address | Chicago Heights, IL 60411 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Thorn Creek (HUC 071200030204) |
| Other EPA IDs (FRS) | RCRA handler ILD000666156 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 20Pollutants on file
- 0Under a numeric limit
- 20With a violation of any kind
- 0With 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 |
|---|---|---|---|---|---|
| Arsenic, dry weight | 0 | 18 | 0 | ||
| Selenium, dry weight | 0 | 18 | 0 | ||
| Copper, dry weight | 0 | 18 | 0 | ||
| Cadmium, dry weight | 0 | 18 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 0 | 18 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 0 | 18 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 0 | 18 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 0 | 18 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 0 | 12 | 0 | ||
| Pollutant table from 503.13 | 0 | 6 | 0 | ||
| Level of pathogen requirements achieved | 0 | 6 | 0 | ||
| Description of pathogen option used | 0 | 6 | 0 | ||
| Vector attraction reduction alternative used | 0 | 6 | 0 | ||
| Ann. amt sludge disposed by other method | 0 | 1 | 0 | ||
| Annual amt of sludge incinerated | 0 | 1 | 0 | ||
| Annual sludge production, total | 0 | 1 | 0 | ||
| Annual amount of sludge land applied | 0 | 1 | 0 | ||
| Annual amt. sludge disposed surface unit | 0 | 1 | 0 | ||
| Annual amt sludge disposed in landfill | 0 | 1 | 0 | ||
| Annual amt sludge transported interstate | 0 | 1 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES ILL027723.
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 ILL027723.
Inspections
EPA’s inspection file holds no inspection for NPDES ILL027723.
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
EPA’s informal enforcement file holds no action for NPDES ILL027723.
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, ILL027723.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 ILL027723 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.