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Blast Furnaces And Steel Mills, Chicago Heights, Illinois. NPDES permit IL0001678, in force until Apr 30, 2028. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Zinc, total [as Zn] | quarterly average | report only (mg/L) | all year | 001 |
| Zinc, total [as Zn] | quarterly maximum | report only (mg/L) | all year | 001 |
| Acenaphthylene | quarterly average | report only (mg/L) | all year | 001 |
| Acenaphthylene | quarterly maximum | report only (mg/L) | all year | 001 |
| Acenaphthene | quarterly average | report only (mg/L) | all year | 001 |
| Acenaphthene | quarterly maximum | report only (mg/L) | all year | 001 |
| Anthracene | quarterly average | report only (mg/L) | all year | 001 |
| Anthracene | quarterly maximum | report only (mg/L) | all year | 001 |
| Benzo[b]fluoranthene | quarterly average | report only (mg/L) | all year | 001 |
| Benzo[b]fluoranthene | quarterly maximum | report only (mg/L) | all year | 001 |
| Benzo[k]fluoranthene | quarterly average | report only (mg/L) | all year | 001 |
| Benzo[k]fluoranthene | quarterly maximum | report only (mg/L) | all year | 001 |
| Benzo[a]pyrene | quarterly average | report only (mg/L) | all year | 001 |
| Benzo[a]pyrene | quarterly maximum | report only (mg/L) | all year | 001 |
| Chrysene | quarterly average | report only (mg/L) | all year | 001 |
| Chrysene | quarterly maximum | report only (mg/L) | all year | 001 |
| Fluoranthene | quarterly average | report only (mg/L) | all year | 001 |
| Fluoranthene | quarterly maximum | report only (mg/L) | all year | 001 |
| Fluorene | quarterly average | report only (mg/L) | all year | 001 |
| Fluorene | quarterly maximum | report only (mg/L) | all year | 001 |
| Indeno[1,2,3-cd]pyrene | quarterly average | report only (mg/L) | all year | 001 |
| Indeno[1,2,3-cd]pyrene | quarterly maximum | report only (mg/L) | all year | 001 |
| Phenanthrene | quarterly average | report only (mg/L) | all year | 001 |
| Phenanthrene | quarterly maximum | report only (mg/L) | all year | 001 |
| Pyrene | quarterly average | report only (mg/L) | all year | 001 |
| Pyrene | quarterly maximum | report only (mg/L) | all year | 001 |
| Benzo[ghi]perylene | quarterly average | report only (mg/L) | all year | 001 |
| Benzo[ghi]perylene | quarterly maximum | report only (mg/L) | all year | 001 |
| Benzo[a]anthracene | quarterly average | report only (mg/L) | all year | 001 |
| Benzo[a]anthracene | quarterly maximum | report only (mg/L) | all year | 001 |
| Dibenzo[a,h]anthracene, dry weight | quarterly average | report only (mg/L) | all year | 001 |
| Dibenzo[a,h]anthracene, dry weight | quarterly maximum | report only (mg/L) | all year | 001 |
| Naphthalene | quarterly average | report only (mg/L) | all year | 001 |
| Naphthalene | quarterly maximum | report only (mg/L) | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Zinc, total [as Zn] | quarterly average | report only (mg/L) | all year | 002 |
| Zinc, total [as Zn] | quarterly maximum | report only (mg/L) | all year | 002 |
| Acenaphthylene | quarterly average | report only (mg/L) | all year | 002 |
| Acenaphthylene | quarterly maximum | report only (mg/L) | all year | 002 |
| Acenaphthene | quarterly average | report only (mg/L) | all year | 002 |
| Acenaphthene | quarterly maximum | report only (mg/L) | all year | 002 |
| Anthracene | quarterly average | report only (mg/L) | all year | 002 |
| Anthracene | quarterly maximum | report only (mg/L) | all year | 002 |
| Benzo[b]fluoranthene | quarterly average | report only (mg/L) | all year | 002 |
| Benzo[b]fluoranthene | quarterly maximum | report only (mg/L) | all year | 002 |
| Benzo[k]fluoranthene | quarterly average | report only (mg/L) | all year | 002 |
| Benzo[k]fluoranthene | quarterly maximum | report only (mg/L) | all year | 002 |
| Benzo[a]pyrene | quarterly average | report only (mg/L) | all year | 002 |
| Benzo[a]pyrene | quarterly maximum | report only (mg/L) | all year | 002 |
| Chrysene | quarterly average | report only (mg/L) | all year | 002 |
| Chrysene | quarterly maximum | report only (mg/L) | all year | 002 |
| Fluoranthene | quarterly average | report only (mg/L) | all year | 002 |
| Fluoranthene | quarterly maximum | report only (mg/L) | all year | 002 |
| Fluorene | quarterly average | report only (mg/L) | all year | 002 |
| Fluorene | quarterly maximum | report only (mg/L) | all year | 002 |
| Indeno[1,2,3-cd]pyrene | quarterly average | report only (mg/L) | all year | 002 |
| Indeno[1,2,3-cd]pyrene | quarterly maximum | report only (mg/L) | all year | 002 |
| Phenanthrene | quarterly average | report only (mg/L) | all year | 002 |
| Phenanthrene | quarterly maximum | report only (mg/L) | all year | 002 |
| Pyrene | quarterly average | report only (mg/L) | all year | 002 |
| Pyrene | quarterly maximum | report only (mg/L) | all year | 002 |
| Benzo[ghi]perylene | quarterly average | report only (mg/L) | all year | 002 |
| Benzo[ghi]perylene | quarterly maximum | report only (mg/L) | all year | 002 |
| Benzo[a]anthracene | quarterly average | report only (mg/L) | all year | 002 |
| Benzo[a]anthracene | quarterly maximum | report only (mg/L) | all year | 002 |
| Dibenzo[a,h]anthracene, dry weight | quarterly average | report only (mg/L) | all year | 002 |
| Dibenzo[a,h]anthracene, dry weight | quarterly maximum | report only (mg/L) | all year | 002 |
| Naphthalene | quarterly average | report only (mg/L) | all year | 002 |
| Naphthalene | quarterly maximum | report only (mg/L) | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| Zinc, total [as Zn] | quarterly average | report only (mg/L) | all year | 003 |
| Zinc, total [as Zn] | quarterly maximum | report only (mg/L) | all year | 003 |
| Acenaphthylene | quarterly average | report only (mg/L) | all year | 003 |
| Acenaphthylene | quarterly maximum | report only (mg/L) | all year | 003 |
| Acenaphthene | quarterly average | report only (mg/L) | all year | 003 |
| Acenaphthene | quarterly maximum | report only (mg/L) | all year | 003 |
| Anthracene | quarterly average | report only (mg/L) | all year | 003 |
| Anthracene | quarterly maximum | report only (mg/L) | all year | 003 |
| Benzo[b]fluoranthene | quarterly average | report only (mg/L) | all year | 003 |
| Benzo[b]fluoranthene | quarterly maximum | report only (mg/L) | all year | 003 |
| Benzo[k]fluoranthene | quarterly average | report only (mg/L) | all year | 003 |
| Benzo[k]fluoranthene | quarterly maximum | report only (mg/L) | all year | 003 |
| Benzo[a]pyrene | quarterly average | report only (mg/L) | all year | 003 |
| Benzo[a]pyrene | quarterly maximum | report only (mg/L) | all year | 003 |
| Chrysene | quarterly average | report only (mg/L) | all year | 003 |
| Chrysene | quarterly maximum | report only (mg/L) | all year | 003 |
| Fluoranthene | quarterly average | report only (mg/L) | all year | 003 |
| Fluoranthene | quarterly maximum | report only (mg/L) | all year | 003 |
| Fluorene | quarterly average | report only (mg/L) | all year | 003 |
| Fluorene | quarterly maximum | report only (mg/L) | all year | 003 |
| Indeno[1,2,3-cd]pyrene | quarterly average | report only (mg/L) | all year | 003 |
| Indeno[1,2,3-cd]pyrene | quarterly maximum | report only (mg/L) | all year | 003 |
| Phenanthrene | quarterly average | report only (mg/L) | all year | 003 |
| Phenanthrene | quarterly maximum | report only (mg/L) | all year | 003 |
| Pyrene | quarterly average | report only (mg/L) | all year | 003 |
| Pyrene | quarterly maximum | report only (mg/L) | all year | 003 |
| Benzo[ghi]perylene | quarterly average | report only (mg/L) | all year | 003 |
| Benzo[ghi]perylene | quarterly maximum | report only (mg/L) | all year | 003 |
| Benzo[a]anthracene | quarterly average | report only (mg/L) | all year | 003 |
| Benzo[a]anthracene | quarterly maximum | report only (mg/L) | all year | 003 |
| Dibenzo[a,h]anthracene, dry weight | quarterly average | report only (mg/L) | all year | 003 |
| Dibenzo[a,h]anthracene, dry weight | quarterly maximum | report only (mg/L) | all year | 003 |
| Naphthalene | quarterly average | report only (mg/L) | all year | 003 |
| Naphthalene | quarterly maximum | report only (mg/L) | all year | 003 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 003 |
| Zinc, total [as Zn] | quarterly average | report only (mg/L) | all year | 004 |
| Zinc, total [as Zn] | quarterly maximum | report only (mg/L) | all year | 004 |
| Acenaphthylene | quarterly average | report only (mg/L) | all year | 004 |
| Acenaphthylene | quarterly maximum | report only (mg/L) | all year | 004 |
| Acenaphthene | quarterly average | report only (mg/L) | all year | 004 |
| Acenaphthene | quarterly maximum | report only (mg/L) | all year | 004 |
| Anthracene | quarterly average | report only (mg/L) | all year | 004 |
| Anthracene | quarterly maximum | report only (mg/L) | all year | 004 |
| Benzo[b]fluoranthene | quarterly average | report only (mg/L) | all year | 004 |
| Benzo[b]fluoranthene | quarterly maximum | report only (mg/L) | all year | 004 |
| Benzo[k]fluoranthene | quarterly average | report only (mg/L) | all year | 004 |
| Benzo[k]fluoranthene | quarterly maximum | report only (mg/L) | all year | 004 |
| Benzo[a]pyrene | quarterly average | report only (mg/L) | all year | 004 |
| Benzo[a]pyrene | quarterly maximum | report only (mg/L) | all year | 004 |
| Chrysene | quarterly average | report only (mg/L) | all year | 004 |
| Chrysene | quarterly maximum | report only (mg/L) | all year | 004 |
| Fluoranthene | quarterly average | report only (mg/L) | all year | 004 |
| Fluoranthene | quarterly maximum | report only (mg/L) | all year | 004 |
| Fluorene | quarterly average | report only (mg/L) | all year | 004 |
| Fluorene | quarterly maximum | report only (mg/L) | all year | 004 |
| Indeno[1,2,3-cd]pyrene | quarterly average | report only (mg/L) | all year | 004 |
| Indeno[1,2,3-cd]pyrene | quarterly maximum | report only (mg/L) | all year | 004 |
| Phenanthrene | quarterly average | report only (mg/L) | all year | 004 |
| Phenanthrene | quarterly maximum | report only (mg/L) | all year | 004 |
| Pyrene | quarterly average | report only (mg/L) | all year | 004 |
| Pyrene | quarterly maximum | report only (mg/L) | all year | 004 |
| Benzo[ghi]perylene | quarterly average | report only (mg/L) | all year | 004 |
| Benzo[ghi]perylene | quarterly maximum | report only (mg/L) | all year | 004 |
| Benzo[a]anthracene | quarterly average | report only (mg/L) | all year | 004 |
| Benzo[a]anthracene | quarterly maximum | report only (mg/L) | all year | 004 |
| Dibenzo[a,h]anthracene, dry weight | quarterly average | report only (mg/L) | all year | 004 |
| Dibenzo[a,h]anthracene, dry weight | quarterly maximum | report only (mg/L) | all year | 004 |
| Naphthalene | quarterly average | report only (mg/L) | all year | 004 |
| Naphthalene | quarterly maximum | report only (mg/L) | all year | 004 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 004 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 004 |
Cited limits by parameter: Illinois's rules and the federal ones.
Same industry: the 22 Primary Metal Industries permits in Illinois.
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On EPA ECHO: Facility report · DMR history
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