WHEELING-NIPPON STEEL, INC.

NPDES permit WV0004502 · Major NON-POTW · effective, expires 2031-04-22 · 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

5values over a limit
0required values missing, on 0 form(s)
0of 49 forms filed late

Last period with anything received: 2026-07-31. Most often over: Zinc, total recoverable (3), Solids, total suspended (2).

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 (96)

OutfallParameterStatisticLimitMonths
002Temperature, water deg. fahrenheitMO AVG report only all year
002Temperature, water deg. fahrenheitDAILY MX report only all year
002pHINST MIN >= 6 SU all year
002pHINST MAX <= 9 SU all year
002Solids, total suspendedMO AVG report only all year
002Solids, total suspendedDAILY MX report only all year
002Iron, total recoverableMO AVG report only all year
002Iron, total recoverableDAILY MX report only all year
002Chromium, hexavalent [as Cr]MO AVG report only all year
002Chromium, hexavalent [as Cr]DAILY MX report only all year
002Zinc, total recoverableMO AVG <= .17 mg/L all year
002Zinc, total recoverableDAILY MX <= .403 mg/L 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 report only all year
002Chlorine, total residualDAILY MX report only all year
004Temperature, water deg. fahrenheitMO AVG report only all year
004Temperature, water deg. fahrenheitDAILY MX report only all year
004Temperature, water deg. fahrenheitMO AVG report only all year
004Temperature, water deg. fahrenheitDAILY MX report only all year
004pHINST MIN >= 6 SU all year
004pHINST MAX <= 9 SU all year
004Solids, total suspendedMO AVG <= 30 mg/L all year
004Solids, total suspendedDAILY MX <= 60 mg/L all year
004Iron, total recoverableMO AVG report only all year
004Iron, total recoverableMO AVG report only all year
004Iron, total recoverableDAILY MX report only all year
004Iron, total recoverableDAILY MX report only all year
004Chromium, hexavalent [as Cr]MO AVG report only all year
004Chromium, hexavalent [as Cr]MO AVG report only all year
004Chromium, hexavalent [as Cr]DAILY MX report only all year
004Chromium, hexavalent [as Cr]DAILY MX report only all year
004Zinc, total recoverableMO AVG report only all year
004Zinc, total recoverableMO AVG report only all year
004Zinc, total recoverableDAILY MX report only all year
004Zinc, total recoverableDAILY MX report only all year
004Aluminum, total recoverableMO AVG report only all year
004Aluminum, total recoverableMO AVG report only all year
004Aluminum, total recoverableDAILY MX report only all year
004Aluminum, total recoverableDAILY MX report only all year
004Lead, total recoverableMO AVG report only all year
004Lead, total recoverableMO AVG report only all year
004Lead, total recoverableDAILY MX report only all year
004Lead, 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 report only all year
004Chlorine, total residualDAILY MX report only all year
004Toxicity [acute], Ceriodaphnia dubiaMO AVG <= 2.75 tox acute all year
004Toxicity [acute], Ceriodaphnia dubiaMO AVG <= 2.75 tox acute all year
004Toxicity [acute], Ceriodaphnia dubiaDAILY MX <= 4.39 tox acute all year
004Toxicity [acute], Ceriodaphnia dubiaDAILY MX <= 4.39 tox acute all year
004Toxicity [acute], Pimephales promelas [Fathead Minnow]MO AVG report only all year
004Toxicity [acute], Pimephales promelas [Fathead Minnow]DAILY MX report only all year
004SulfateMO AVG report only all year
004SulfateMO AVG report only all year
004SulfateDAILY MX report only all year
004SulfateDAILY MX report only all year
103pHINST MIN report only all year
103pHINST MAX report only all year
103Solids, total suspendedMO AVG report only all year
103Solids, total suspendedDAILY MX report only all year
103Solids, total suspendedMO AVG <= 84.8 lb/d all year
103Solids, total suspendedDAILY MX <= 197.5 lb/d 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 <= 28.9 lb/d all year
103Oil and grease, hexane extr methodDAILY MX <= 84.8 lb/d all year
103Flow, in conduit or thru treatment plantMO AVG report only all year
103Flow, in conduit or thru treatment plantDAILY MX <= .61 MGD all year
103pH range excursions, > 60 minutesDAILY MX <= 0 occur/mo all year
103pH range excursions, monthly total accumDAILY MX <= 446 min all year
113pHINST MIN >= 6 SU all year
113pHINST MAX <= 9 SU all year
113Solids, total suspendedMO AVG report only all year
113Solids, total suspendedDAILY MX report only all year
113Solids, total suspendedMO AVG <= 63.6 lb/d all year
113Solids, total suspendedDAILY MX <= 148.1 lb/d all year
113Oil and grease, hexane extr methodMO AVG report only all year
113Oil and grease, hexane extr methodDAILY MX report only all year
113Oil and grease, hexane extr methodMO AVG <= 21.2 lb/d all year
113Oil and grease, hexane extr methodDAILY MX <= 63.6 lb/d all year
113Chromium, hexavalent [as Cr]MO AVG report only all year
113Chromium, hexavalent [as Cr]DAILY MX report only all year
113Chromium, hexavalent [as Cr]MO AVG <= .042 lb/d all year
113Chromium, hexavalent [as Cr]DAILY MX <= .127 lb/d all year
113Lead, total [as Pb]MO AVG report only all year
113Lead, total [as Pb]DAILY MX report only all year
113Lead, total [as Pb]MO AVG <= .32 lb/d all year
113Lead, total [as Pb]DAILY MX <= .95 lb/d all year
113Zinc, total [as Zn]MO AVG report only all year
113Zinc, total [as Zn]DAILY MX report only all year
113Zinc, total [as Zn]MO AVG <= .42 lb/d all year
113Zinc, total [as Zn]DAILY MX <= 1.27 lb/d all year
113Flow, in conduit or thru treatment plantMO AVG report only all year
113Flow, in conduit or thru treatment plantDAILY MX <= .14 MGD 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