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Blast Furnaces And Steel Mills, Ghent, Kentucky. NPDES permit KY0098221, in force until Sep 30, 2028. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | all year | 001 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 110 deg F | all year | 001 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 110 deg F | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | monthly average | ≤ 359 lb/d | all year | 001 |
| Solids, total suspended | monthly average | ≤ 450 lb/d | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 965 lb/d | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 1176 lb/d | all year | 001 |
| Oil & Grease | monthly average | ≤ 88.4 lb/d | all year | 001 |
| Oil & Grease | monthly average | ≤ 118 lb/d | all year | 001 |
| Oil & Grease | daily maximum | ≤ 267 lb/d | all year | 001 |
| Oil & Grease | daily maximum | ≤ 357 lb/d | all year | 001 |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | all year | 001 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 001 |
| Chloride [as Cl] | monthly average | report only (mg/L) | all year | 001 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 001 |
| Iron, total recoverable | monthly average | report only (mg/L) | all year | 001 |
| Iron, total recoverable | daily maximum | report only (mg/L) | all year | 001 |
| Zinc, total recoverable | monthly average | report only (mg/L) | all year | 001 |
| Zinc, total recoverable | daily maximum | report only (mg/L) | all year | 001 |
| Zinc, total recoverable | monthly average | ≤ .89 lb/d | all year | 001 |
| Zinc, total recoverable | monthly average | ≤ 1.49 lb/d | all year | 001 |
| Zinc, total recoverable | daily maximum | ≤ 2.68 lb/d | all year | 001 |
| Zinc, total recoverable | daily maximum | ≤ 4.49 lb/d | all year | 001 |
| Lead, total recoverable | monthly average | report only (mg/L) | all year | 001 |
| Lead, total recoverable | daily maximum | report only (mg/L) | all year | 001 |
| Lead, total recoverable | monthly average | ≤ .59 lb/d | all year | 001 |
| Lead, total recoverable | monthly average | ≤ 1.05 lb/d | all year | 001 |
| Lead, total recoverable | daily maximum | ≤ 1.78 lb/d | all year | 001 |
| Lead, total recoverable | daily maximum | ≤ 3.14 lb/d | all year | 001 |
| Copper, total recoverable | monthly average | report only (mg/L) | all year | 001 |
| Copper, total recoverable | daily 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 |
| Chlorine, total residual | monthly average | report only (mg/L) | all year | 001 |
| Chlorine, total residual | daily maximum | report only (mg/L) | all year | 001 |
| Toxicity, final conc toxicity units | daily maximum | ≤ 20 tox acute | all year | 001 |
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | all year | 002 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 100 deg F | all year | 002 |
| pH | minimum | ≥ 6 SU | all year | 002 |
| pH | maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 002 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 002 |
| Solids, total suspended | monthly average | ≤ 30.2 lb/d | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 70.4 lb/d | all year | 002 |
| Oil & Grease | monthly average | ≤ 10 mg/L | all year | 002 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 002 |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | all year | 002 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 002 |
| Chloride [as Cl] | monthly average | report only (mg/L) | all year | 002 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 002 |
| Iron, total recoverable | monthly average | report only (mg/L) | all year | 002 |
| Iron, total recoverable | daily maximum | report only (mg/L) | all year | 002 |
| Zinc, total recoverable | monthly average | report only (mg/L) | all year | 002 |
| Zinc, total recoverable | daily maximum | report only (mg/L) | all year | 002 |
| Zinc, total recoverable | monthly average | ≤ .202 lb/d | all year | 002 |
| Zinc, total recoverable | daily maximum | ≤ .603 lb/d | all year | 002 |
| Lead, total recoverable | monthly average | report only (mg/L) | all year | 002 |
| Lead, total recoverable | daily maximum | report only (mg/L) | all year | 002 |
| Lead, total recoverable | monthly average | ≤ .151 lb/d | all year | 002 |
| Lead, total recoverable | daily maximum | ≤ .454 lb/d | all year | 002 |
| Copper, total recoverable | monthly average | report only (mg/L) | all year | 002 |
| Copper, total recoverable | daily 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 |
| Toxicity, final conc toxicity units | maximum | ≤ 8.4 tox acute | all year | 002 |
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | all year | 004 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 89 deg F | all year | 004 |
| pH | minimum | ≥ 6 SU | all year | 004 |
| pH | maximum | ≤ 9 SU | all year | 004 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 004 |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year | 004 |
| Oil & Grease | monthly average | ≤ 10 mg/L | all year | 004 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 004 |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | all year | 004 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 004 |
| Iron, total recoverable | monthly average | report only (mg/L) | all year | 004 |
| Iron, total recoverable | daily maximum | report only (mg/L) | all year | 004 |
| Zinc, total recoverable | monthly average | report only (mg/L) | all year | 004 |
| Zinc, total recoverable | daily maximum | report only (mg/L) | all year | 004 |
| Lead, total recoverable | monthly average | report only (mg/L) | all year | 004 |
| Lead, total recoverable | daily maximum | report only (mg/L) | all year | 004 |
| Chromium, total recoverable | monthly average | report only (mg/L) | all year | 004 |
| Chromium, total recoverable | daily maximum | report only (mg/L) | all year | 004 |
| Copper, total recoverable | monthly average | report only (mg/L) | all year | 004 |
| Copper, total recoverable | daily 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 |
| Chlorine, total residual | monthly average | ≤ .011 mg/L | all year | 004 |
| Chlorine, total residual | daily maximum | ≤ .019 mg/L | all year | 004 |
| pH | minimum | ≥ 6 SU | all year | 005 |
| pH | maximum | ≤ 9 SU | all year | 005 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 005 |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year | 005 |
| Oil & Grease | monthly average | ≤ 10 mg/L | all year | 005 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 005 |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | all year | 005 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 005 |
| Iron, total recoverable | monthly average | report only (mg/L) | all year | 005 |
| Iron, total recoverable | daily maximum | report only (mg/L) | all year | 005 |
| Zinc, total recoverable | monthly average | report only (mg/L) | all year | 005 |
| Zinc, total recoverable | daily maximum | report only (mg/L) | all year | 005 |
| Lead, total recoverable | monthly average | report only (mg/L) | all year | 005 |
| Lead, total recoverable | daily maximum | report only (mg/L) | all year | 005 |
| Chromium, total recoverable | monthly average | report only (mg/L) | all year | 005 |
| Chromium, total recoverable | daily maximum | report only (mg/L) | all year | 005 |
| Copper, total recoverable | monthly average | report only (mg/L) | all year | 005 |
| Copper, total recoverable | daily maximum | report only (mg/L) | all year | 005 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 005 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 005 |
| Chlorine, total residual | monthly average | report only (mg/L) | all year | 005 |
| Chlorine, total residual | daily maximum | ≤ .019 mg/L | all year | 005 |
| pH | minimum | ≥ 6 SU | all year | 006 |
| pH | maximum | ≤ 9 SU | all year | 006 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 006 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 006 |
| Oil & Grease | monthly average | ≤ 10 mg/L | all year | 006 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 006 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 006 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 006 |
| Chlorine, total residual | monthly average | report only (mg/L) | all year | 006 |
| Chlorine, total residual | daily maximum | ≤ .019 mg/L | all year | 006 |
| pH | minimum | ≥ 6 SU | all year | 008 |
| pH | maximum | ≤ 9 SU | all year | 008 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 008 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 008 |
| Oil & Grease | monthly average | ≤ 10 mg/L | all year | 008 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 008 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 008 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 008 |
| Chlorine, total residual | monthly average | report only (mg/L) | all year | 008 |
| Chlorine, total residual | daily maximum | ≤ .019 mg/L | all year | 008 |
| pH | minimum | ≥ 6 SU | all year | 012 |
| pH | maximum | ≤ 9 SU | all year | 012 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 012 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 012 |
| Oil & Grease | monthly average | ≤ 10 mg/L | all year | 012 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 012 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 012 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 012 |
| Chlorine, total residual | monthly average | report only (mg/L) | all year | 012 |
| Chlorine, total residual | daily maximum | ≤ .019 mg/L | all year | 012 |
| pH | minimum | ≥ 6 SU | all year | 013 |
| pH | maximum | ≤ 9 SU | all year | 013 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 013 |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year | 013 |
| Oil & Grease | monthly average | ≤ 10 mg/L | all year | 013 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 013 |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | all year | 013 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 013 |
| Chloride [as Cl] | monthly average | report only (mg/L) | all year | 013 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 013 |
| Zinc, total recoverable | monthly average | report only (mg/L) | all year | 013 |
| Zinc, total recoverable | daily maximum | report only (mg/L) | all year | 013 |
| Lead, total recoverable | monthly average | report only (mg/L) | all year | 013 |
| Lead, total recoverable | daily maximum | report only (mg/L) | all year | 013 |
| Copper, total recoverable | monthly average | report only (mg/L) | all year | 013 |
| Copper, total recoverable | daily maximum | report only (mg/L) | all year | 013 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 013 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 013 |
Cited limits by parameter: Kentucky's rules and the federal ones.
Same industry: the 22 Primary Metal Industries permits in Kentucky.
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On EPA ECHO: Facility report · DMR history
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