Clean Water Act discharge permit · NPDES IN0000094
CLEVELAND-CLIFFS STEEL LLC - INDIANA HARBOR EAST, East Chicago, IN: NPDES IN0000094 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 27Pollutants under a numeric limit
- 12Pollutants with an effluent exceedance
CLEVELAND-CLIFFS STEEL LLC - INDIANA HARBOR EAST holds NPDES permit IN0000094, which discharges to Lk Mich. Via In Harbor C/Grand Cal.. EPA’s file records it issued July 21, 2017 and expiring August 31, 2022. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | CLEVELAND-CLIFFS STEEL LLC - INDIANA HARBOR EAST |
|---|---|
| Permittee as filed | CLEVELAND-CLIFFS STEEL LLC - INDIANA HARBOR EAST |
| NPDES ID | IN0000094 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | July 21, 2017 |
| Expiration date | August 31, 2022 |
| Issuing agency | IDEM |
| Address | East Chicago, IN 46312 |
| Receiving water | LK MICH. VIA IN HARBOR C/GRAND CAL. |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Calumet River-Frontal Lake Michigan (HUC 040400010603) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 46Pollutants on file
- 27Under a numeric limit
- 44With a violation of any kind
- 12With 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 |
|---|---|---|---|---|---|
| pH | 34 | 102 | 36 | December 31, 2025 | |
| Chlorine, total residual | 32 | 91 | 29 | September 30, 2021 | 4,093% over the limit |
| Zinc, total [as Zn] | 0 | 105 | 17 | September 30, 2008 | 1,670% over the limit |
| Solids, total suspended | 52 | 117 | 9 | February 29, 2012 | 585% over the limit |
| Oil and grease, hexane extr method | 47 | 34 | 7 | January 31, 2026 | 273% over the limit |
| Lead, total [as Pb] | 0 | 81 | 4 | April 30, 2010 | 33% over the limit |
| Cyanide, total [as CN] | 20 | 81 | 3 | January 31, 2021 | 134% over the limit |
| Zinc, total recoverable | 56 | 58 | 3 | March 31, 2016 | 16% over the limit |
| Toxicity [chronic], Ceriodaphnia dubia | 6 | 11 | 2 | August 31, 2021 | 301% over the limit |
| Nitrogen, ammonia total [as N] | 32 | 94 | 1 | January 31, 2022 | 29% over the limit |
| Oil & Grease | 0 | 81 | 1 | July 31, 1998 | 65% over the limit |
| Lead, total recoverable | 56 | 53 | 1 | September 30, 2014 | 86% over the limit |
| Flow, in conduit or thru treatment plant | 14 | 94 | 0 | ||
| Phenolics, total recoverable | 24 | 79 | 0 | ||
| Temperature, water deg. fahrenheit | 12 | 34 | 0 | ||
| Selenium, total recoverable | 16 | 21 | 0 | ||
| Thermal Discharge | 0 | 17 | 0 | ||
| Copper, total recoverable | 28 | 16 | 0 | ||
| Chromium, total recoverable | 0 | 16 | 0 | ||
| Cyanide, free [amenable to chlorination] | 8 | 15 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 28 | 13 | 0 | ||
| Nitrite + Nitrate total [as N] | 28 | 13 | 0 | ||
| Phosphorus, total [as P] | 28 | 13 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 28 | 13 | 0 | ||
| Chemical Oxygen Demand [COD] | 28 | 13 | 0 | ||
| Storm water flow | 28 | 13 | 0 | ||
| Iron, total recoverable | 28 | 11 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 6 | 9 | 0 | ||
| LC50 Static Renewal 48Hr Acute Ceriodaphnia dubia | 0 | 7 | 0 | ||
| Naphthalene | 0 | 6 | 0 | ||
| Mercury, total recoverable | 8 | 5 | 0 | ||
| Arsenic, total recoverable | 0 | 5 | 0 | ||
| Nickel, total recoverable | 0 | 5 | 0 | ||
| Cadmium, total recoverable | 0 | 5 | 0 | ||
| NOEL Static Renewal 7Day Chronic Ceriodaphnia dubia | 0 | 5 | 0 | ||
| Tetrachloroethylene | 0 | 4 | 0 | ||
| LC50 Static Renewal 96Hr Acute Pimephales promelas | 0 | 3 | 0 | ||
| Flow, total | 3 | 2 | 0 | ||
| Thallium, total recoverable | 0 | 2 | 0 | ||
| Beryllium, total recoverable [as Be] | 0 | 2 | 0 | ||
| Silver total recoverable | 0 | 2 | 0 | ||
| Antimony, total recoverable | 0 | 2 | 0 | ||
| Flow rate | 0 | 1 | 0 | ||
| Noel Statre 7Day Chronic Pimephales | 0 | 1 | 0 | ||
| Cyanide, free [as free] | 8 | 0 | 0 | ||
| Chromium, hexavalent dissolved [as Cr] | 8 | 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 IN0000094.
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.
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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 IN0000094 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.