NUCOR STEEL, CRAWFORDSVILL PLT

NPDES permit IN0054682 · Minor NON-POTW · effective, expires 2030-09-30 · 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
6required values missing, on 2 form(s)
7of 96 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 IN permits in EPA's filings — check your permit).

Limits in force (354)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitMO AVG report only all year
001Temperature, water deg. fahrenheitDAILY MX report only all year
001pHDAILY MN >= 6 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedMO AVG <= 70 mg/L all year
001Solids, total suspendedDAILY MX <= 140 mg/L all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedDAILY MX report only all year
001Oil and grease, hexane extr methodMO AVG <= 10 mg/L all year
001Oil and grease, hexane extr methodDAILY MX <= 15 mg/L all year
001Oil and grease, hexane extr methodMO AVG report only all year
001Oil and grease, hexane extr methodDAILY MX report only all year
001Hardness, total [as CaCO3]DAILY MX report only Mar, Jun, Sep, Dec
001Fluoride, total [as F]MO AVG report only all year
001Fluoride, total [as F]MO AVG <= 1.9 mg/L all year
001Fluoride, total [as F]DAILY MX report only all year
001Fluoride, total [as F]DAILY MX <= 3.3 mg/L all year
001Fluoride, total [as F]MO AVG report only all year
001Fluoride, total [as F]MO AVG report only all year
001Fluoride, total [as F]DAILY MX report only all year
001Fluoride, total [as F]DAILY MX report only all year
001Iron, total recoverableMO AVG report only all year
001Iron, total recoverableMO AVG <= 2.4 mg/L all year
001Iron, total recoverableDAILY MX report only all year
001Iron, total recoverableDAILY MX <= 4.1 mg/L all year
001Iron, total recoverableMO AVG report only all year
001Iron, total recoverableMO AVG report only all year
001Iron, total recoverableDAILY MX report only all year
001Iron, total recoverableDAILY MX report only all year
001Nickel, total recoverableMO AVG <= .07 mg/L all year
001Nickel, total recoverableDAILY MX <= .16 mg/L all year
001Nickel, total recoverableMO AVG report only all year
001Nickel, total recoverableDAILY MX report only all year
001Zinc, total recoverableMO AVG <= .18 mg/L all year
001Zinc, total recoverableDAILY MX <= .42 mg/L all year
001Zinc, total recoverableMO AVG report only all year
001Zinc, total recoverableDAILY MX report only all year
001Lead, total recoverableMO AVG <= .008 mg/L all year
001Lead, total recoverableDAILY MX <= .02 mg/L all year
001Lead, total recoverableMO AVG report only all year
001Lead, total recoverableDAILY MX report only all year
001Chromium, total recoverableMO AVG <= .35 mg/L all year
001Chromium, total recoverableDAILY MX <= .8 mg/L all year
001Chromium, total recoverableMO AVG report only all year
001Chromium, total recoverableDAILY MX report only all year
001Copper, total recoverableMO AVG report only all year
001Copper, total recoverableMO AVG <= .037 mg/L all year
001Copper, total recoverableDAILY MX report only all year
001Copper, total recoverableDAILY MX <= .063 mg/L all year
001Copper, total recoverableMO AVG report only all year
001Copper, total recoverableMO AVG report only all year
001Copper, total recoverableDAILY MX report only all year
001Copper, total recoverableDAILY MX report only all year
001Chromium, hexavalent dissolved [as Cr]MO AVG report only Mar, Jun, Sep, Dec
001Chromium, hexavalent dissolved [as Cr]DAILY MX report only Mar, Jun, Sep, Dec
001Chromium, hexavalent dissolved [as Cr]MO AVG report only Mar, Jun, Sep, Dec
001Chromium, hexavalent dissolved [as Cr]DAILY MX report only Mar, Jun, Sep, Dec
001TetrachloroethyleneMO AVG report only Jun, Dec
001TetrachloroethyleneMO AVG report only Jun, Dec
001TetrachloroethyleneDAILY MX report only Jun, Dec
001TetrachloroethyleneDAILY MX report only Jun, Dec
001TetrachloroethyleneMO AVG report only Jun, Dec
001TetrachloroethyleneMO AVG report only Jun, Dec
001TetrachloroethyleneDAILY MX report only Jun, Dec
001TetrachloroethyleneDAILY MX report only Jun, Dec
001NaphthaleneMO AVG report only Jun, Dec
001NaphthaleneMO AVG report only Jun, Dec
001NaphthaleneDAILY MX report only Jun, Dec
001NaphthaleneDAILY MX report only Jun, Dec
001NaphthaleneMO AVG report only Jun, Dec
001NaphthaleneMO AVG report only Jun, Dec
001NaphthaleneDAILY MX report only Jun, Dec
001NaphthaleneDAILY MX report only Jun, Dec
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 < .06 mg/L all year
001Chlorine, total residualDAILY MX < .06 mg/L all year
001Chlorine, total residualMO AVG report only all year
001Chlorine, total residualDAILY MX report only all year
001Flow, totalMO TOTAL report only all year
003pHDAILY MX report only Jun, Dec
003pHDAILY MX report only Jun, Dec
003Solids, total suspendedDAILY MX report only Jun, Dec
003Solids, total suspendedDAILY MX report only Jun, Dec
003Oil and grease, hexane extr methodDAILY MX report only Jun, Dec
003Oil and grease, hexane extr methodDAILY MX report only Jun, Dec
003Nitrogen, ammonia total [as N]DAILY MX report only Jun, Dec
003Nitrogen, ammonia total [as N]DAILY MX report only Jun, Dec
003Phosphorus, total [as P]DAILY MX report only Jun, Dec
003Phosphorus, total [as P]DAILY MX report only Jun, Dec
003Fluoride, total [as F]SX report only Jun, Dec
003Fluoride, total [as F]SX report only Jun, Dec
003Iron, total recoverableSX report only Jun, Dec
003Iron, total recoverableSX report only Jun, Dec
003Zinc, total recoverableSX report only Jun, Dec
003Zinc, total recoverableSX report only Jun, Dec
003Lead, total recoverableSX report only Jun, Dec
003Lead, total recoverableSX report only Jun, Dec
003Storm water flowSX report only Jun, Dec
003Storm water flowSX report only Jun, Dec
004pHDAILY MX report only Jun, Dec
004pHDAILY MX report only Jun, Dec
004Solids, total suspendedDAILY MX report only Jun, Dec
004Solids, total suspendedDAILY MX report only Jun, Dec
004Oil and grease, hexane extr methodDAILY MX report only Jun, Dec
004Oil and grease, hexane extr methodDAILY MX report only Jun, Dec
004Nitrogen, ammonia total [as N]DAILY MX report only Jun, Dec
004Nitrogen, ammonia total [as N]DAILY MX report only Jun, Dec
004Phosphorus, total [as P]DAILY MX report only Jun, Dec
004Phosphorus, total [as P]DAILY MX report only Jun, Dec
004Fluoride, total [as F]DAILY MX report only Jun, Dec
004Fluoride, total [as F]DAILY MX report only Jun, Dec
004Iron, total recoverableDAILY MX report only Jun, Dec
004Iron, total recoverableDAILY MX report only Jun, Dec
004Zinc, total recoverableDAILY MX report only Jun, Dec
004Zinc, total recoverableDAILY MX report only Jun, Dec
004Lead, total recoverableDAILY MX report only Jun, Dec
004Lead, total recoverableDAILY MX report only Jun, Dec
004Storm water flowDAILY MX report only Jun, Dec
004Storm water flowDAILY MX report only Jun, Dec
005pHDAILY MX report only Jun, Dec
005pHDAILY MX report only Jun, Dec
005Solids, total suspendedDAILY MX report only Jun, Dec
005Solids, total suspendedDAILY MX report only Jun, Dec
005Oil and grease, hexane extr methodDAILY MX report only Jun, Dec
005Oil and grease, hexane extr methodDAILY MX report only Jun, Dec
005Nitrogen, ammonia total [as N]DAILY MX report only Jun, Dec
005Nitrogen, ammonia total [as N]DAILY MX report only Jun, Dec
005Phosphorus, total [as P]DAILY MX report only Jun, Dec
005Phosphorus, total [as P]DAILY MX report only Jun, Dec
005Fluoride, total [as F]DAILY MX report only Jun, Dec
005Fluoride, total [as F]DAILY MX report only Jun, Dec
005Iron, total recoverableDAILY MX report only Jun, Dec
005Iron, total recoverableDAILY MX report only Jun, Dec
005Zinc, total recoverableDAILY MX report only Jun, Dec
005Zinc, total recoverableDAILY MX report only Jun, Dec
005Lead, total recoverableDAILY MX report only Jun, Dec
005Lead, total recoverableDAILY MX report only Jun, Dec
005Storm water flowDAILY MX report only Jun, Dec
005Storm water flowDAILY MX report only Jun, Dec
006pHDAILY MX report only Jun, Dec
006pHDAILY MX report only Jun, Dec
006Solids, total suspendedDAILY MX report only Jun, Dec
006Solids, total suspendedDAILY MX report only Jun, Dec
006Oil and grease, hexane extr methodDAILY MX report only Jun, Dec
006Oil and grease, hexane extr methodDAILY MX report only Jun, Dec
006Nitrogen, ammonia total [as N]DAILY MX report only Jun, Dec
006Nitrogen, ammonia total [as N]DAILY MX report only Jun, Dec
006Phosphorus, total [as P]DAILY MX report only Jun, Dec
006Phosphorus, total [as P]DAILY MX report only Jun, Dec
006Fluoride, total [as F]DAILY MX report only Jun, Dec
006Fluoride, total [as F]DAILY MX report only Jun, Dec
006Iron, total recoverableDAILY MX report only Jun, Dec
006Iron, total recoverableDAILY MX report only Jun, Dec
006Zinc, total recoverableDAILY MX report only Jun, Dec
006Zinc, total recoverableDAILY MX report only Jun, Dec
006Lead, total recoverableDAILY MX report only Jun, Dec
006Lead, total recoverableDAILY MX report only Jun, Dec
006Storm water flowDAILY MX report only Jun, Dec
006Storm water flowDAILY MX report only Jun, Dec
007pHDAILY MX report only Jun, Dec
007pHDAILY MX report only Jun, Dec
007Solids, total suspendedDAILY MX report only Jun, Dec
007Solids, total suspendedDAILY MX report only Jun, Dec
007Oil and grease, hexane extr methodDAILY MX report only Jun, Dec
007Oil and grease, hexane extr methodDAILY MX report only Jun, Dec
007Nitrogen, ammonia total [as N]DAILY MX report only Jun, Dec
007Nitrogen, ammonia total [as N]DAILY MX report only Jun, Dec
007Phosphorus, total [as P]DAILY MX report only Jun, Dec
007Phosphorus, total [as P]DAILY MX report only Jun, Dec
007Fluoride, total [as F]DAILY MX report only Jun, Dec
007Fluoride, total [as F]DAILY MX report only Jun, Dec
007Iron, total recoverableDAILY MX report only Jun, Dec
007Iron, total recoverableDAILY MX report only Jun, Dec
007Zinc, total recoverableDAILY MX report only Jun, Dec
007Zinc, total recoverableDAILY MX report only Jun, Dec
007Lead, total recoverableDAILY MX report only Jun, Dec
007Lead, total recoverableDAILY MX report only Jun, Dec
007Storm water flowDAILY MX report only Jun, Dec
007Storm water flowDAILY MX report only Jun, Dec
008pHDAILY MX report only Jun, Dec
008pHDAILY MX report only Jun, Dec
008Solids, total suspendedDAILY MX report only Jun, Dec
008Solids, total suspendedDAILY MX report only Jun, Dec
008Oil and grease, hexane extr methodDAILY MX report only Jun, Dec
008Oil and grease, hexane extr methodDAILY MX report only Jun, Dec
008Nitrogen, ammonia total [as N]DAILY MX report only Jun, Dec
008Nitrogen, ammonia total [as N]DAILY MX report only Jun, Dec
008Phosphorus, total [as P]DAILY MX report only Jun, Dec
008Phosphorus, total [as P]DAILY MX report only Jun, Dec
008Fluoride, total [as F]DAILY MX report only Jun, Dec
008Fluoride, total [as F]DAILY MX report only Jun, Dec
008Iron, total recoverableDAILY MX report only Jun, Dec
008Iron, total recoverableDAILY MX report only Jun, Dec
008Zinc, total recoverableDAILY MX report only Jun, Dec
008Zinc, total recoverableDAILY MX report only Jun, Dec
008Lead, total recoverableDAILY MX report only Jun, Dec
008Lead, total recoverableDAILY MX report only Jun, Dec
008Storm water flowDAILY MX report only Jun, Dec
008Storm water flowDAILY MX report only Jun, Dec
009pHDAILY MX report only Jun, Dec
009pHDAILY MX report only Jun, Dec
009Solids, total suspendedDAILY MX report only Jun, Dec
009Solids, total suspendedDAILY MX report only Jun, Dec
009Oil and grease, hexane extr methodDAILY MX report only Jun, Dec
009Oil and grease, hexane extr methodDAILY MX report only Jun, Dec
009Nitrogen, ammonia total [as N]DAILY MX report only Jun, Dec
009Nitrogen, ammonia total [as N]DAILY MX report only Jun, Dec
009Phosphorus, total [as P]DAILY MX report only Jun, Dec
009Phosphorus, total [as P]DAILY MX report only Jun, Dec
009Fluoride, total [as F]DAILY MX report only Jun, Dec
009Fluoride, total [as F]DAILY MX report only Jun, Dec
009Iron, total recoverableDAILY MX report only Jun, Dec
009Iron, total recoverableDAILY MX report only Jun, Dec
009Zinc, total recoverableDAILY MX report only Jun, Dec
009Zinc, total recoverableDAILY MX report only Jun, Dec
009Lead, total recoverableDAILY MX report only Jun, Dec
009Lead, total recoverableDAILY MX report only Jun, Dec
009Storm water flowDAILY MX report only Jun, Dec
009Storm water flowDAILY MX report only Jun, Dec
102pHDAILY MN >= 6 SU all year
102pHDAILY MX <= 10 SU all year
102Solids, total suspendedMO AVG report only all year
102Solids, total suspendedDAILY MX report only all year
102Solids, total suspendedMO AVG report only all year
102Solids, total suspendedDAILY MX report only all year
102Oil and grease, hexane extr methodMO AVG report only all year
102Oil and grease, hexane extr methodDAILY MX report only all year
102Oil and grease, hexane extr methodMO AVG report only all year
102Oil and grease, hexane extr methodDAILY MX report only all year
102Zinc, total recoverableMO AVG report only all year
102Zinc, total recoverableDAILY MX report only all year
102Zinc, total recoverableMO AVG report only all year
102Zinc, total recoverableDAILY MX report only all year
102Lead, total recoverableMO AVG report only all year
102Lead, total recoverableDAILY MX report only all year
102Lead, total recoverableMO AVG report only all year
102Lead, total recoverableDAILY MX report only all year
102TetrachloroethyleneSX report only Jun, Dec
102TetrachloroethyleneSX report only Jun, Dec
102TetrachloroethyleneSX report only Jun, Dec
102TetrachloroethyleneSX report only Jun, Dec
102NaphthaleneSX report only Jun, Dec
102NaphthaleneSX report only Jun, Dec
102NaphthaleneSX report only Jun, Dec
102NaphthaleneSX report only Jun, Dec
102Flow, in conduit or thru treatment plantMO AVG report only all year
102Flow, in conduit or thru treatment plantDAILY MX report only all year
103pHDAILY MN >= 6 SU all year
103pHDAILY MX <= 9 SU all year
103Solids, total suspendedMO AVG report only all year
103Solids, total suspendedDAILY MX report only all year
103Solids, total suspendedMO AVG report only all year
103Solids, total suspendedDAILY MX report only all year
103Oil and grease, hexane extr methodMO AVG report only all year
103Oil and grease, hexane extr methodDAILY MX report only all year
103Oil and grease, hexane extr methodMO AVG report only all year
103Oil and grease, hexane extr methodDAILY MX report only all year
103Zinc, total recoverableMO AVG report only all year
103Zinc, total recoverableDAILY MX report only all year
103Zinc, total recoverableMO AVG report only all year
103Zinc, total recoverableDAILY MX report only all year
103Lead, total recoverableMO AVG report only all year
103Lead, total recoverableDAILY MX report only all year
103Lead, total recoverableMO AVG report only all year
103Lead, total recoverableDAILY MX report only all year
103TetrachloroethyleneSX report only Jun, Dec
103TetrachloroethyleneSX report only Jun, Dec
103TetrachloroethyleneSX report only Jun, Dec
103TetrachloroethyleneSX report only Jun, Dec
103NaphthaleneSX report only Jun, Dec
103NaphthaleneSX report only Jun, Dec
103NaphthaleneSX report only Jun, Dec
103NaphthaleneSX report only Jun, Dec
103Flow, in conduit or thru treatment plantMO AVG report only all year
103Flow, in conduit or thru treatment plantDAILY MX report only all year
104pHDAILY MN >= 6 SU all year
104pHDAILY MX <= 9 SU all year
104Solids, total suspendedMO AVG report only all year
104Solids, total suspendedDAILY MX report only all year
104Solids, total suspendedMO AVG report only all year
104Solids, total suspendedDAILY MX report only all year
104Oil and grease, hexane extr methodMO AVG report only all year
104Oil and grease, hexane extr methodDAILY MX report only all year
104Oil and grease, hexane extr methodMO AVG report only all year
104Oil and grease, hexane extr methodDAILY MX report only all year
104Zinc, total recoverableMO AVG report only all year
104Zinc, total recoverableDAILY MX report only all year
104Zinc, total recoverableMO AVG report only all year
104Zinc, total recoverableDAILY MX report only all year
104Lead, total recoverableMO AVG report only all year
104Lead, total recoverableDAILY MX report only all year
104Lead, total recoverableMO AVG report only all year
104Lead, total recoverableDAILY MX report only all year
104TetrachloroethyleneSX report only Jun, Dec
104TetrachloroethyleneSX report only Jun, Dec
104TetrachloroethyleneSX report only Jun, Dec
104TetrachloroethyleneSX report only Jun, Dec
104NaphthaleneSX report only Jun, Dec
104NaphthaleneSX report only Jun, Dec
104NaphthaleneSX report only Jun, Dec
104NaphthaleneSX report only Jun, Dec
104Flow, in conduit or thru treatment plantMO AVG report only all year
104Flow, in conduit or thru treatment plantDAILY MX report only all year
106pHDAILY MN >= 6 SU all year
106pHDAILY MX <= 9 SU all year
106Solids, total suspendedMO AVG report only all year
106Solids, total suspendedDAILY MX report only all year
106Solids, total suspendedMO AVG report only all year
106Solids, total suspendedDAILY MX report only all year
106Oil and grease, hexane extr methodMO AVG report only all year
106Oil and grease, hexane extr methodDAILY MX report only all year
106Oil and grease, hexane extr methodMO AVG report only all year
106Oil and grease, hexane extr methodDAILY MX report only all year
106Nickel, total recoverableMO AVG report only all year
106Nickel, total recoverableDAILY MX report only all year
106Nickel, total recoverableMO AVG report only all year
106Nickel, total recoverableDAILY MX report only all year
106Zinc, total recoverableMO AVG report only all year
106Zinc, total recoverableDAILY MX report only all year
106Zinc, total recoverableMO AVG report only all year
106Zinc, total recoverableDAILY MX report only all year
106Lead, total recoverableMO AVG report only all year
106Lead, total recoverableDAILY MX report only all year
106Lead, total recoverableMO AVG report only all year
106Lead, total recoverableDAILY MX report only all year
106Chromium, total recoverableMO AVG report only all year
106Chromium, total recoverableDAILY MX report only all year
106Chromium, total recoverableMO AVG report only all year
106Chromium, total recoverableDAILY MX report only all year
106TetrachloroethyleneSX report only Jun, Dec
106TetrachloroethyleneSX report only Jun, Dec
106TetrachloroethyleneSX report only Jun, Dec
106TetrachloroethyleneSX report only Jun, Dec
106NaphthaleneSX report only Jun, Dec
106NaphthaleneSX report only Jun, Dec
106NaphthaleneSX report only Jun, Dec
106NaphthaleneSX report only Jun, Dec
106Flow, in conduit or thru treatment plantMO AVG report only all year
106Flow, in conduit or thru treatment plantDAILY MX report only all year
110Solids, total suspendedMO AVG <= 620 lb/d all year
110Solids, total suspendedDAILY MX <= 1600 lb/d all year
110Oil and grease, hexane extr methodMO AVG <= 83 lb/d all year
110Oil and grease, hexane extr methodDAILY MX <= 500 lb/d all year
110Zinc, total recoverableMO AVG <= .9 lb/d all year
110Zinc, total recoverableDAILY MX <= 2.9 lb/d all year
110Lead, total recoverableMO AVG <= .71 lb/d all year
110Lead, total recoverableDAILY MX <= 2 lb/d all year
110TetrachloroethyleneSX <= .032 lb/d Jun, Dec
110TetrachloroethyleneSX <= .032 lb/d Jun, Dec
110NaphthaleneSX <= .022 lb/d Jun, Dec
110NaphthaleneSX <= .022 lb/d Jun, Dec
110Flow, in conduit or thru treatment plantMO AVG report only all year
110Flow, in conduit or thru treatment plantDAILY MX report only all year

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