Nucor Steel Gallatin LLC

NPDES permit KY0098221 · Minor NON-POTW · effective, expires 2028-09-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
0required values missing, on 0 form(s)
0of 67 forms filed late

Last period with anything received: 2026-07-31.

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among KY permits in EPA's filings — check your permit).

Limits in force (161)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitMO AVG report only all year
001Temperature, water deg. fahrenheitDAILY MX <= 110 deg F all year
001Temperature, water deg. fahrenheitDAILY MX <= 110 deg F all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 359 lb/d all year
001Solids, total suspendedMO AVG <= 450 lb/d all year
001Solids, total suspendedDAILY MX <= 965 lb/d all year
001Solids, total suspendedDAILY MX <= 1176 lb/d all year
001Oil & GreaseMO AVG <= 88.4 lb/d all year
001Oil & GreaseMO AVG <= 118 lb/d all year
001Oil & GreaseDAILY MX <= 267 lb/d all year
001Oil & GreaseDAILY MX <= 357 lb/d all year
001Hardness, total [as CaCO3]MO AVG report only all year
001Hardness, total [as CaCO3]DAILY MX report only all year
001Chloride [as Cl]MO AVG report only all year
001Chloride [as Cl]DAILY MX report only all year
001Iron, total recoverableMO AVG report only all year
001Iron, total recoverableDAILY MX report only all year
001Zinc, total recoverableMO AVG report only all year
001Zinc, total recoverableDAILY MX report only all year
001Zinc, total recoverableMO AVG <= .89 lb/d all year
001Zinc, total recoverableMO AVG <= 1.49 lb/d all year
001Zinc, total recoverableDAILY MX <= 2.68 lb/d all year
001Zinc, total recoverableDAILY MX <= 4.49 lb/d all year
001Lead, total recoverableMO AVG report only all year
001Lead, total recoverableDAILY MX report only all year
001Lead, total recoverableMO AVG <= .59 lb/d all year
001Lead, total recoverableMO AVG <= 1.05 lb/d all year
001Lead, total recoverableDAILY MX <= 1.78 lb/d all year
001Lead, total recoverableDAILY MX <= 3.14 lb/d all year
001Copper, total recoverableMO AVG report only all year
001Copper, total recoverableDAILY MX report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualMO AVG report only all year
001Chlorine, total residualDAILY MX report only all year
001Toxicity, final conc toxicity unitsDAILY MX <= 20 tox acute all year
002Temperature, water deg. fahrenheitMO AVG report only all year
002Temperature, water deg. fahrenheitDAILY MX <= 100 deg F all year
002pHMINIMUM >= 6 SU all year
002pHMAXIMUM <= 9 SU all year
002Solids, total suspendedMO AVG report only all year
002Solids, total suspendedDAILY MX report only all year
002Solids, total suspendedMO AVG <= 30.2 lb/d all year
002Solids, total suspendedDAILY MX <= 70.4 lb/d all year
002Oil & GreaseMO AVG <= 10 mg/L all year
002Oil & GreaseDAILY MX <= 15 mg/L all year
002Hardness, total [as CaCO3]MO AVG report only all year
002Hardness, total [as CaCO3]DAILY MX report only all year
002Chloride [as Cl]MO AVG report only all year
002Chloride [as Cl]DAILY MX report only all year
002Iron, total recoverableMO AVG report only all year
002Iron, total recoverableDAILY MX report only all year
002Zinc, total recoverableMO AVG report only all year
002Zinc, total recoverableDAILY MX report only all year
002Zinc, total recoverableMO AVG <= .202 lb/d all year
002Zinc, total recoverableDAILY MX <= .603 lb/d all year
002Lead, total recoverableMO AVG report only all year
002Lead, total recoverableDAILY MX report only all year
002Lead, total recoverableMO AVG <= .151 lb/d all year
002Lead, total recoverableDAILY MX <= .454 lb/d all year
002Copper, total recoverableMO AVG report only all year
002Copper, total recoverableDAILY MX report only all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Toxicity, final conc toxicity unitsMAXIMUM <= 8.4 tox acute all year
004Temperature, water deg. fahrenheitMO AVG report only all year
004Temperature, water deg. fahrenheitDAILY MX <= 89 deg F all year
004pHMINIMUM >= 6 SU all year
004pHMAXIMUM <= 9 SU all year
004Solids, total suspendedMO AVG <= 30 mg/L all year
004Solids, total suspendedDAILY MX <= 60 mg/L all year
004Oil & GreaseMO AVG <= 10 mg/L all year
004Oil & GreaseDAILY MX <= 15 mg/L all year
004Hardness, total [as CaCO3]MO AVG report only all year
004Hardness, total [as CaCO3]DAILY MX report only all year
004Iron, total recoverableMO AVG report only all year
004Iron, total recoverableDAILY MX report only all year
004Zinc, total recoverableMO AVG report only all year
004Zinc, total recoverableDAILY MX report only all year
004Lead, total recoverableMO AVG report only all year
004Lead, total recoverableDAILY MX report only all year
004Chromium, total recoverableMO AVG report only all year
004Chromium, total recoverableDAILY MX report only all year
004Copper, total recoverableMO AVG report only all year
004Copper, total recoverableDAILY MX report only all year
004Flow, in conduit or thru treatment plantMO AVG report only all year
004Flow, in conduit or thru treatment plantDAILY MX report only all year
004Chlorine, total residualMO AVG <= .011 mg/L all year
004Chlorine, total residualDAILY MX <= .019 mg/L all year
005pHMINIMUM >= 6 SU all year
005pHMAXIMUM <= 9 SU all year
005Solids, total suspendedMO AVG <= 30 mg/L all year
005Solids, total suspendedDAILY MX <= 60 mg/L all year
005Oil & GreaseMO AVG <= 10 mg/L all year
005Oil & GreaseDAILY MX <= 15 mg/L all year
005Hardness, total [as CaCO3]MO AVG report only all year
005Hardness, total [as CaCO3]DAILY MX report only all year
005Iron, total recoverableMO AVG report only all year
005Iron, total recoverableDAILY MX report only all year
005Zinc, total recoverableMO AVG report only all year
005Zinc, total recoverableDAILY MX report only all year
005Lead, total recoverableMO AVG report only all year
005Lead, total recoverableDAILY MX report only all year
005Chromium, total recoverableMO AVG report only all year
005Chromium, total recoverableDAILY MX report only all year
005Copper, total recoverableMO AVG report only all year
005Copper, total recoverableDAILY MX report only all year
005Flow, in conduit or thru treatment plantMO AVG report only all year
005Flow, in conduit or thru treatment plantDAILY MX report only all year
005Chlorine, total residualMO AVG report only all year
005Chlorine, total residualDAILY MX <= .019 mg/L all year
006pHMINIMUM >= 6 SU all year
006pHMAXIMUM <= 9 SU all year
006Solids, total suspendedMO AVG report only all year
006Solids, total suspendedDAILY MX report only all year
006Oil & GreaseMO AVG <= 10 mg/L all year
006Oil & GreaseDAILY MX <= 15 mg/L all year
006Flow, in conduit or thru treatment plantMO AVG report only all year
006Flow, in conduit or thru treatment plantDAILY MX report only all year
006Chlorine, total residualMO AVG report only all year
006Chlorine, total residualDAILY MX <= .019 mg/L all year
008pHMINIMUM >= 6 SU all year
008pHMAXIMUM <= 9 SU all year
008Solids, total suspendedMO AVG report only all year
008Solids, total suspendedDAILY MX report only all year
008Oil & GreaseMO AVG <= 10 mg/L all year
008Oil & GreaseDAILY MX <= 15 mg/L all year
008Flow, in conduit or thru treatment plantMO AVG report only all year
008Flow, in conduit or thru treatment plantDAILY MX report only all year
008Chlorine, total residualMO AVG report only all year
008Chlorine, total residualDAILY MX <= .019 mg/L all year
012pHMINIMUM >= 6 SU all year
012pHMAXIMUM <= 9 SU all year
012Solids, total suspendedMO AVG report only all year
012Solids, total suspendedDAILY MX report only all year
012Oil & GreaseMO AVG <= 10 mg/L all year
012Oil & GreaseDAILY MX <= 15 mg/L all year
012Flow, in conduit or thru treatment plantMO AVG report only all year
012Flow, in conduit or thru treatment plantDAILY MX report only all year
012Chlorine, total residualMO AVG report only all year
012Chlorine, total residualDAILY MX <= .019 mg/L all year
013pHMINIMUM >= 6 SU all year
013pHMAXIMUM <= 9 SU all year
013Solids, total suspendedMO AVG <= 30 mg/L all year
013Solids, total suspendedDAILY MX <= 60 mg/L all year
013Oil & GreaseMO AVG <= 10 mg/L all year
013Oil & GreaseDAILY MX <= 15 mg/L all year
013Hardness, total [as CaCO3]MO AVG report only all year
013Hardness, total [as CaCO3]DAILY MX report only all year
013Chloride [as Cl]MO AVG report only all year
013Chloride [as Cl]DAILY MX report only all year
013Zinc, total recoverableMO AVG report only all year
013Zinc, total recoverableDAILY MX report only all year
013Lead, total recoverableMO AVG report only all year
013Lead, total recoverableDAILY MX report only all year
013Copper, total recoverableMO AVG report only all year
013Copper, total recoverableDAILY MX report only all year
013Flow, in conduit or thru treatment plantMO AVG report only all year
013Flow, in conduit or thru treatment plantDAILY MX report only all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states