Passage Data · Check a report · Use it from your AI

Nucor Brandenburg Plate Mill

Blast Furnaces And Steel Mills, Brandenburg, Kentucky. NPDES permit KY0113280, in force until Jun 30, 2027. Last 12 months: over a limit 2 times (last March 2026), 2 of 44 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001A form 1 monthly (19 values), outfall 001B form 1 monthly (19 values), outfall 002 form 2 quarterly (18 values), outfall 102 form 1 monthly (2 values), outfall 001A form 3 quarterly, outfall 001B form 3 quarterly
Renewal application due
Jan 1, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
4 values over a limit, 0 required values missing, 0 of 32 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingOutfallParameterReportedLimitOver by
March 2026001BToxicity, Acute, daily maximum> 5 tox acute≤ 13.3 tox acute—
March 2026002Solids, total suspended, monthly average32 mg/L≤ 30 mg/L7%

Limits in force (80)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitdaily maximum≤ 110 deg Fall year001A
pHminimum≥ 6 SUall year001A
pHdaily maximum≤ 9 SUall year001A
Solids, total suspendedmonthly average≤ 791 lb/dall year001A
Solids, total suspendeddaily maximum≤ 2115 lb/dall year001A
Oil & Greasemonthly average≤ 175 lb/dall year001A
Oil & Greasedaily maximum≤ 525 lb/dall year001A
Hardness, total [as CaCO3]monthly averagereport only (mg/L)all year001A
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year001A
Iron, total recoverablemonthly averagereport only (mg/L)all year001A
Iron, total recoverabledaily maximumreport only (mg/L)all year001A
Selenium, total recoverablemonthly averagereport only (mg/L)all year001A
Selenium, total recoverabledaily maximumreport only (mg/L)all year001A
Thallium, total recoverablemonthly averagereport only (ug/L)all year001A
Thallium, total recoverabledaily maximumreport only (ug/L)all year001A
Zinc, total recoverablemonthly averagereport only (mg/L)all year001A
Zinc, total recoverabledaily maximumreport only (mg/L)all year001A
Zinc, total recoverablemonthly average≤ .9 lb/dall year001A
Zinc, total recoverabledaily maximum≤ 2.7 lb/dall year001A
Lead, total recoverablemonthly averagereport only (mg/L)all year001A
Lead, total recoverabledaily maximumreport only (mg/L)all year001A
Lead, total recoverablemonthly average≤ .6 lb/dall year001A
Lead, total recoverabledaily maximum≤ 1.8 lb/dall year001A
Copper, total recoverablemonthly averagereport only (mg/L)all year001A
Copper, total recoverabledaily maximumreport only (mg/L)all year001A
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001A
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001A
Chlorine, total residualmonthly averagereport only (mg/L)all year001A
Chlorine, total residualdaily maximumreport only (mg/L)all year001A
Toxicity, Acutedaily maximum≤ 13.3 tox acuteall year001A
Temperature, water deg. fahrenheitdaily maximum≤ 110 deg Fall year001B
pHminimum≥ 6 SUall year001B
pHdaily maximum≤ 9 SUall year001B
Solids, total suspendedmonthly average≤ 791 lb/dall year001B
Solids, total suspendeddaily maximum≤ 2115 lb/dall year001B
Oil & Greasemonthly average≤ 175 lb/dall year001B
Oil & Greasedaily maximum≤ 525 lb/dall year001B
Hardness, total [as CaCO3]monthly averagereport only (mg/L)all year001B
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year001B
Iron, total recoverablemonthly averagereport only (mg/L)all year001B
Iron, total recoverabledaily maximumreport only (mg/L)all year001B
Selenium, total recoverablemonthly averagereport only (mg/L)all year001B
Selenium, total recoverabledaily maximumreport only (mg/L)all year001B
Thallium, total recoverablemonthly averagereport only (ug/L)all year001B
Thallium, total recoverabledaily maximumreport only (ug/L)all year001B
Zinc, total recoverablemonthly averagereport only (mg/L)all year001B
Zinc, total recoverabledaily maximumreport only (mg/L)all year001B
Zinc, total recoverablemonthly average≤ .9 lb/dall year001B
Zinc, total recoverabledaily maximum≤ 2.7 lb/dall year001B
Lead, total recoverablemonthly averagereport only (mg/L)all year001B
Lead, total recoverabledaily maximumreport only (mg/L)all year001B
Lead, total recoverablemonthly average≤ .6 lb/dall year001B
Lead, total recoverabledaily maximum≤ 1.8 lb/dall year001B
Copper, total recoverablemonthly averagereport only (mg/L)all year001B
Copper, total recoverabledaily maximumreport only (mg/L)all year001B
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001B
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001B
Chlorine, total residualmonthly averagereport only (mg/L)all year001B
Chlorine, total residualdaily maximumreport only (mg/L)all year001B
Toxicity, Acutedaily maximum≤ 13.3 tox acuteall year001B
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year002
Temperature, water deg. fahrenheitdaily maximum≤ 110 deg Fall year002
pHminimum≥ 6 SUall year002
pHmaximum≤ 9 SUall year002
Solids, total suspendedmonthly average≤ 30 mg/Lall year002
Solids, total suspendeddaily maximum≤ 60 mg/Lall year002
Oil & Greasemonthly average≤ 10 mg/Lall year002
Oil & Greasedaily maximum≤ 15 mg/Lall year002
Hardness, total [as CaCO3]monthly averagereport only (mg/L)all year002
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year002
Iron, total recoverablemonthly averagereport only (mg/L)all year002
Iron, total recoverabledaily maximumreport only (mg/L)all year002
Zinc, total recoverablemonthly averagereport only (mg/L)all year002
Zinc, total recoverabledaily maximumreport only (mg/L)all year002
Lead, total recoverablemonthly averagereport only (mg/L)all year002
Lead, total recoverabledaily maximumreport only (mg/L)all year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year102
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year102

How strict are these limits?

Cited limits by parameter: Kentucky's rules and the federal ones.

Same industry: the 22 Primary Metal Industries permits in Kentucky.

Check this month's numbers Email me before each report is due

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/KY0113280 · MCP: https://passage-data.com/mcp