Clean Water Act discharge permit · NPDES IL0022934
K.A. STEEL CHEMICALS INC; D/B/A OLIN CHLOR ALKALI PRODUCTS AND VINYLS, Lemont, IL: NPDES IL0022934 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
K.A. STEEL CHEMICALS INC; D/B/A OLIN CHLOR ALKALI PRODUCTS AND VINYLS, held by OLIN CHLOR ALKALI PRODUCTS AND VINYLS, holds NPDES permit IL0022934, which discharges to Chicago Sanitary And Ship Canal. EPA’s file records it issued January 28, 2019 and expiring January 31, 2024. 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 | K.A. STEEL CHEMICALS INC; D/B/A OLIN CHLOR ALKALI PRODUCTS AND VINYLS |
|---|---|
| Permittee as filed | OLIN CHLOR ALKALI PRODUCTS AND VINYLS |
| NPDES ID | IL0022934 |
| 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 | January 28, 2019 |
| Expiration date | January 31, 2024 |
| Address | Lemont, IL 60439 |
| Receiving water | CHICAGO SANITARY AND SHIP CANAL |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Maple Lake-Chicago Sanitary and Ship Canal (HUC 071200040705) |
| SIC | 2842 – Polishes And Sanitation Goods |
| Other EPA IDs (FRS) | ICIS-AIR source IL000031162AAG |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 8Pollutants on file
- 6Under a numeric limit
- 7With 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 | 6 | 37 | 26 | August 31, 2024 | 232% over the limit |
| Nitrogen, ammonia total [as N] | 0 | 19 | 19 | May 31, 2014 | 1,043% over the limit |
| BOD, 5-day, 20 deg. C | 4 | 16 | 9 | March 31, 2026 | 85% over the limit |
| Coliform, fecal general | 0 | 5 | 5 | January 31, 2014 | 99,999% over the limit |
| Temperature, water deg. fahrenheit | 4 | 3 | 2 | December 31, 2013 | 5% over the limit |
| Flow, in conduit or thru treatment plant | 6 | 4 | 0 | ||
| pH | 6 | 3 | 0 | ||
| Chlorine, total residual | 2 | 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 IL0022934.
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, IL0022934.
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 IL0022934 there.
Nearby on the register
- Discharge permits in Lemont
- Every permit record in Lemont, A to Z
- Discharge permits in Illinois
- Every permit record in Illinois, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.