CLEVELAND-CLIFFS WEIRTON LLC

NPDES permit WV0003336 · Major NON-POTW · effective, expires 2027-07-26 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

0values over a limit
4required values missing, on 2 form(s)
0of 79 forms filed late

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

Reporting

Reports are due about 25 days after each monitoring period ends (the most common figure among WV permits in EPA's filings — check your permit).

Limits in force (254)

OutfallParameterStatisticLimitMonths
002Temperature, water deg. fahrenheitMO AVG report only all year
002Temperature, water deg. fahrenheitDAILY MX report only all year
002Temperature, water deg. fahrenheitMO AVG report only all year
002Temperature, water deg. fahrenheitDAILY MX report only all year
002pHINST MIN report only all year
002pHINST MAX report only all year
002Solids, total suspendedMO AVG <= 85 mg/L all year
002Solids, total suspendedDAILY MX <= 95 mg/L all year
002Oil and grease, hexane extr methodMO AVG <= 5 mg/L all year
002Oil and grease, hexane extr methodMO AVG <= 5 mg/L all year
002Oil and grease, hexane extr methodDAILY MX <= 10 mg/L all year
002Oil and grease, hexane extr methodDAILY MX <= 10 mg/L all year
002Cyanide, weak acid, dissociableMO AVG report only all year
002Cyanide, weak acid, dissociableMO AVG report only all year
002Cyanide, weak acid, dissociableDAILY MX report only all year
002Cyanide, weak acid, dissociableDAILY MX report only all year
002Iron, total recoverableMO AVG report only all year
002Iron, total recoverableMO AVG report only all year
002Iron, total recoverableDAILY MX report only all year
002Iron, total recoverableDAILY MX report only all year
002Aluminum, total recoverableMO AVG <= .65 mg/L all year
002Aluminum, total recoverableDAILY MX <= 1.47 mg/L all year
002Lead, total recoverableMO AVG report only all year
002Lead, total recoverableMO AVG report only all year
002Lead, total recoverableDAILY MX report only all year
002Lead, total recoverableDAILY MX report only all year
002Copper, total recoverableMO AVG report only all year
002Copper, total recoverableMO AVG report only all year
002Copper, total recoverableDAILY MX report only all year
002Copper, total recoverableDAILY MX report only all year
002Chromium, hexavalent dissolved [as Cr]MO AVG report only all year
002Chromium, hexavalent dissolved [as Cr]MO AVG report only all year
002Chromium, hexavalent dissolved [as Cr]DAILY MX report only all year
002Chromium, hexavalent dissolved [as Cr]DAILY MX report only all year
002BenzeneMO AVG report only all year
002BenzeneDAILY MX report only all year
002Phenolics, totalMO AVG report only all year
002Phenolics, totalMO AVG report only all year
002Phenolics, totalDAILY MX report only all year
002Phenolics, totalDAILY 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
002Chlorine, total residualMO AVG <= .042 mg/L all year
002Chlorine, total residualDAILY MX <= .084 mg/L all year
002Toxicity [chronic], Ceriodaphnia dubiaMO AVG report only all year
002Toxicity [chronic], Ceriodaphnia dubiaDAILY MX report only all year
002Toxicity [chronic], Pimephales promelas [Fathead Minnow]MO AVG <= 6.5 tox chronic all year
002Toxicity [chronic], Pimephales promelas [Fathead Minnow]MO AVG <= 6.5 tox chronic all year
002Toxicity [chronic], Pimephales promelas [Fathead Minnow]DAILY MX <= 13.2 tox chronic all year
002Toxicity [chronic], Pimephales promelas [Fathead Minnow]DAILY MX <= 13.2 tox chronic all year
002Coliform, fecal generalMO GEOMN <= 200 #/100mL May, Jun, Jul, Aug, Sep, Oct
002Coliform, fecal generalMO GEOMN report only Jan, Feb, Mar, Apr, Nov, Dec
002Coliform, fecal generalDAILY MX <= 400 #/100mL May, Jun, Jul, Aug, Sep, Oct
002Coliform, fecal generalDAILY MX report only Jan, Feb, Mar, Apr, Nov, Dec
002SulfateMO AVG report only all year
002SulfateMO AVG report only all year
002SulfateDAILY MX report only all year
002SulfateDAILY MX report only all year
002pH range excursions, > 60 minutesMO TOTAL <= 0 occur/mo all year
002pH range excursions, monthly total accumMO TOTAL <= 446 min all year
005pHINST MIN report only all year
005pHINST MAX report only all year
005Solids, total suspendedMO AVG report only all year
005Solids, total suspendedDAILY MX report only all year
005Oil and grease, hexane extr methodMO AVG report only all year
005Oil and grease, hexane extr methodDAILY MX report only all year
005Cyanide, weak acid, dissociableMO AVG report only all year
005Cyanide, weak acid, dissociableDAILY MX report only all year
005Fluoride, total [as F]MO AVG report only all year
005Fluoride, total [as F]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
005Copper, total recoverableMO AVG report only all year
005Copper, total recoverableDAILY MX report only all year
005Chromium, hexavalent dissolved [as Cr]MO AVG report only all year
005Chromium, hexavalent dissolved [as Cr]DAILY 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 report only all year
005Coliform, fecal generalMO AVG report only all year
005Coliform, fecal generalDAILY MX report only all year
017Temperature, water deg. fahrenheitMO AVG report only all year
017Temperature, water deg. fahrenheitDAILY MX report only all year
017Temperature, water deg. fahrenheitMO AVG report only all year
017Temperature, water deg. fahrenheitDAILY MX report only all year
017pHINST MIN report only all year
017pHINST MAX report only all year
017Solids, total suspendedMO AVG <= 24.3 mg/L all year
017Solids, total suspendedDAILY MX <= 49.1 mg/L all year
017Solids, total suspendedMO AVG <= 1404 lb/d all year
017Solids, total suspendedDAILY MX <= 2836 lb/d all year
017Oil and grease, hexane extr methodMO AVG <= 16.9 mg/L all year
017Oil and grease, hexane extr methodDAILY MX <= 35.8 mg/L all year
017Oil and grease, hexane extr methodMO AVG <= 976 lb/d all year
017Oil and grease, hexane extr methodDAILY MX <= 2064 lb/d all year
017Nitrogen, nitrite total [as N]MO AVG report only all year
017Nitrogen, nitrite total [as N]MO AVG report only all year
017Nitrogen, nitrite total [as N]DAILY MX report only all year
017Nitrogen, nitrite total [as N]DAILY MX report only all year
017Cyanide, weak acid, dissociableMO AVG report only all year
017Cyanide, weak acid, dissociableMO AVG report only all year
017Cyanide, weak acid, dissociableDAILY MX report only all year
017Cyanide, weak acid, dissociableDAILY MX report only all year
017Cyanide, total [as CN]MO AVG <= .37 mg/L all year
017Cyanide, total [as CN]DAILY MX <= .67 mg/L all year
017Cyanide, total [as CN]MO AVG <= 21.1 lb/d all year
017Cyanide, total [as CN]DAILY MX <= 38.9 lb/d all year
017Fluoride, total [as F]MO AVG <= 30 mg/L all year
017Fluoride, total [as F]DAILY MX <= 43 mg/L all year
017Iron, total recoverableMO AVG report only all year
017Iron, total recoverableMO AVG report only all year
017Iron, total recoverableDAILY MX report only all year
017Iron, total recoverableDAILY MX report only all year
017Selenium, total recoverableMO AVG report only all year
017Selenium, total recoverableMO AVG report only all year
017Selenium, total recoverableDAILY MX report only all year
017Selenium, total recoverableDAILY MX report only all year
017Chromium, total [as Cr]MO AVG <= .99 mg/L all year
017Chromium, total [as Cr]DAILY MX <= 1.6 mg/L all year
017Chromium, total [as Cr]MO AVG <= 57 lb/d all year
017Chromium, total [as Cr]DAILY MX <= 93 lb/d all year
017Copper, total [as Cu]MO AVG <= .046 mg/L all year
017Copper, total [as Cu]DAILY MX <= .093 mg/L all year
017Copper, total [as Cu]MO AVG <= 67 lb/d all year
017Copper, total [as Cu]DAILY MX <= 110 lb/d all year
017Nickel, total [as Ni]MO AVG <= 1.12 mg/L all year
017Nickel, total [as Ni]DAILY MX <= 1.89 mg/L all year
017Nickel, total [as Ni]MO AVG <= 78 lb/d all year
017Nickel, total [as Ni]DAILY MX <= 132 lb/d all year
017Zinc, total [as Zn]MO AVG <= .418 mg/L all year
017Zinc, total [as Zn]DAILY MX <= .873 mg/L all year
017Zinc, total [as Zn]MO AVG <= 50.2 lb/d all year
017Zinc, total [as Zn]DAILY MX <= 91 lb/d all year
017Aluminum, total recoverableMO AVG report only all year
017Aluminum, total recoverableMO AVG report only all year
017Aluminum, total recoverableDAILY MX report only all year
017Aluminum, total recoverableDAILY MX report only all year
017Chromium, hexavalent dissolved [as Cr]MO AVG <= .035 mg/L all year
017Chromium, hexavalent dissolved [as Cr]DAILY MX <= .11 mg/L all year
017Phenolics, totalMO AVG report only all year
017Phenolics, totalMO AVG report only all year
017Phenolics, totalDAILY MX report only all year
017Phenolics, totalDAILY MX report only all year
017Di[2-ethylhexyl] phthalate [DEHP]MO AVG report only all year
017Di[2-ethylhexyl] phthalate [DEHP]MO AVG report only all year
017Di[2-ethylhexyl] phthalate [DEHP]DAILY MX report only all year
017Di[2-ethylhexyl] phthalate [DEHP]DAILY MX report only all year
017Flow, in conduit or thru treatment plantMO AVG report only all year
017Flow, in conduit or thru treatment plantDAILY MX report only all year
017Toxicity [chronic], Ceriodaphnia dubiaMO AVG report only all year
017Toxicity [chronic], Ceriodaphnia dubiaMO AVG report only all year
017Toxicity [chronic], Ceriodaphnia dubiaDAILY MX report only all year
017Toxicity [chronic], Ceriodaphnia dubiaDAILY MX report only all year
017Toxicity [chronic], Pimephales promelas [Fathead Minnow]MO AVG report only all year
017Toxicity [chronic], Pimephales promelas [Fathead Minnow]DAILY MX report only all year
017Coliform, fecal generalMO GEOMN report only May, Jun, Jul, Aug, Sep, Oct
017Coliform, fecal generalMO GEOMN report only Jan, Feb, Mar, Apr, Nov, Dec
017Coliform, fecal generalDAILY MX report only May, Jun, Jul, Aug, Sep, Oct
017Coliform, fecal generalDAILY MX report only Jan, Feb, Mar, Apr, Nov, Dec
017Total toxic organics [TTO] [40 CFR433]MO AVG report only all year
017Total toxic organics [TTO] [40 CFR433]DAILY MX <= 1.2 mg/L all year
017Total toxic organics [TTO] [40 CFR433]MO AVG report only all year
017Total toxic organics [TTO] [40 CFR433]DAILY MX report only all year
017SulfateMO AVG report only all year
017SulfateMO AVG report only all year
017SulfateDAILY MX report only all year
017SulfateDAILY MX report only all year
017pH range excursions, > 60 minutesMO TOTAL <= 0 occur/mo all year
017pH range excursions, monthly total accumMO TOTAL <= 446 min all year
097Temperature, water deg. fahrenheitMO AVG report only all year
097Temperature, water deg. fahrenheitDAILY MX report only all year
097pHINST MIN report only all year
097pHINST MIN report only all year
097pHINST MAX report only all year
097pHINST MAX report only all year
097Solids, total suspendedMO AVG report only all year
097Solids, total suspendedDAILY MX report only all year
097Cyanide, weak acid, dissociableMO AVG report only all year
097Cyanide, weak acid, dissociableMO AVG report only all year
097Cyanide, weak acid, dissociableDAILY MX report only all year
097Cyanide, weak acid, dissociableDAILY MX report only all year
097Hardness, total [as CaCO3]MO AVG report only all year
097Hardness, total [as CaCO3]MO AVG report only all year
097Hardness, total [as CaCO3]DAILY MX report only all year
097Hardness, total [as CaCO3]DAILY MX report only all year
097Iron, total recoverableMO AVG report only all year
097Iron, total recoverableMO AVG report only all year
097Iron, total recoverableDAILY MX report only all year
097Iron, total recoverableDAILY MX report only all year
097Chromium, trivalent [as Cr]MO AVG report only all year
097Chromium, trivalent [as Cr]MO AVG report only all year
097Chromium, trivalent [as Cr]DAILY MX report only all year
097Chromium, trivalent [as Cr]DAILY MX report only all year
097Chromium, total [as Cr]MO AVG report only all year
097Chromium, total [as Cr]MO AVG report only all year
097Chromium, total [as Cr]DAILY MX report only all year
097Chromium, total [as Cr]DAILY MX report only all year
097Nickel, total recoverableMO AVG report only all year
097Nickel, total recoverableMO AVG report only all year
097Nickel, total recoverableDAILY MX report only all year
097Nickel, total recoverableDAILY MX report only all year
097Silver total recoverableMO AVG report only all year
097Silver total recoverableMO AVG report only all year
097Silver total recoverableDAILY MX report only all year
097Silver total recoverableDAILY MX report only all year
097Zinc, total recoverableMO AVG report only all year
097Zinc, total recoverableMO AVG report only all year
097Zinc, total recoverableDAILY MX report only all year
097Zinc, total recoverableDAILY MX report only all year
097Aluminum, total recoverableMO AVG report only all year
097Aluminum, total recoverableMO AVG report only all year
097Aluminum, total recoverableDAILY MX report only all year
097Aluminum, total recoverableDAILY MX report only all year
097Cadmium, total recoverableMO AVG report only all year
097Cadmium, total recoverableMO AVG report only all year
097Cadmium, total recoverableDAILY MX report only all year
097Cadmium, total recoverableDAILY MX report only all year
097Lead, total recoverableMO AVG report only all year
097Lead, total recoverableMO AVG report only all year
097Lead, total recoverableDAILY MX report only all year
097Lead, total recoverableDAILY MX report only all year
097Copper, total recoverableMO AVG report only all year
097Copper, total recoverableMO AVG report only all year
097Copper, total recoverableDAILY MX report only all year
097Copper, total recoverableDAILY MX report only all year
097Chromium, hexavalent dissolved [as Cr]MO AVG report only all year
097Chromium, hexavalent dissolved [as Cr]MO AVG report only all year
097Chromium, hexavalent dissolved [as Cr]DAILY MX report only all year
097Chromium, hexavalent dissolved [as Cr]DAILY MX report only all year
097BenzeneMO AVG report only all year
097BenzeneMO AVG report only all year
097BenzeneDAILY MX report only all year
097BenzeneDAILY MX report only all year
097Di[2-ethylhexyl] phthalate [DEHP]MO AVG report only all year
097Di[2-ethylhexyl] phthalate [DEHP]MO AVG report only all year
097Di[2-ethylhexyl] phthalate [DEHP]DAILY MX report only all year
097Di[2-ethylhexyl] phthalate [DEHP]DAILY MX report only all year
097SulfateMO AVG report only all year
097SulfateMO AVG report only all year
097SulfateDAILY MX report only all year
097SulfateDAILY MX report only all year
097Velocity of intakeMO AVG report only all year
097Velocity of intakeDAILY MX <= .5 ft/sec all year
103Flow, in conduit or thru treatment plantMO AVG report only all year
103Flow, in conduit or thru treatment plantDAILY MX report only all year
203Flow, in conduit or thru treatment plantMO AVG report only all year
203Flow, in conduit or thru treatment plantDAILY MX report only all year
303Flow, in conduit or thru treatment plantMO AVG report only all year
303Flow, in conduit or thru treatment plantDAILY MX report only all year

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