Cleveland-Cliffs Steel Corporation Coshocton Works

NPDES permit OH0004260 · Major NON-POTW · effective, expires 2029-10-31 · 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 56 forms filed late

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

Reporting

Reports are due about 20 days after each monitoring period ends (the most common figure among OH permits in EPA's filings — check your permit).

Limits in force (78)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeMO AVG report only all year
001Temperature, water deg. centigradeDAILY MX report only all year
001Oil and grease [soxhlet extr.] tot.MO AVG report only all year
001Oil and grease [soxhlet extr.] tot.DAILY MX report only all year
001Nitrite + Nitrate total [as N]MO AVG report only all year
001Nitrite + Nitrate total [as N]DAILY MX report only all year
001Fluoride, total [as F]MO AVG report only all year
001Fluoride, total [as F]DAILY MX report only all year
001Nickel, total recoverableMO AVG report only all year
001Nickel, total recoverableDAILY MX report only all year
001Copper, total recoverableMO AVG report only all year
001Copper, total recoverableDAILY MX report only all year
001Chromium, hexavalent dissolved [as Cr]MO AVG report only all year
001Chromium, hexavalent dissolved [as Cr]DAILY MX report only all year
001Oxidants, total residualMO AVG report only Mar, Jun, Sep, Dec
001Oxidants, total residualDAILY MX report only Mar, Jun, Sep, 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
001Mercury, total low levelMO AVG report only Jun, Dec
001Mercury, total low levelDAILY MX report only Jun, Dec
001Toxicity [acute], Ceriodaphnia dubiaMO AVG report only Jun
001Toxicity [acute], Ceriodaphnia dubiaDAILY MX report only Jun
001pH, maximumDAILY MX report only all year
001pH, minimumDAILY MN report only all year
001Solids, total dissolved- 180 deg. CMO AVG report only all year
001Solids, total dissolved- 180 deg. CDAILY MX report only all year
001pH range excursions, > 60 minutesDAILY MX <= 0 occur/d all year
001pH range excursions, monthly total accumDAILY MX <= 446 min all year
002Solids, total suspendedMO AVG report only all year
002Solids, total suspendedDAILY MX report only all year
002Zinc, total recoverableMO AVG report only all year
002Zinc, total recoverableDAILY MX report only all year
588Sludge weight, dryMO AVG report only Dec
588Sludge weight, dryDAILY MX report only Dec
588Sludge waste from secondary clarifiersMO AVG report only Dec
588Sludge waste from secondary clarifiersDAILY MX report only Dec
601pHDAILY MN report only all year
601pHDAILY MX report only all year
601Solids, total suspendedMO AVG <= 295 kg/d all year
601Solids, total suspendedDAILY MX <= 689 kg/d all year
601Oil and grease [soxhlet extr.] tot.MO AVG <= 77 kg/d all year
601Oil and grease [soxhlet extr.] tot.DAILY MX <= 232 kg/d all year
601Nickel, total recoverableMO AVG <= 2.92 kg/d all year
601Nickel, total recoverableDAILY MX <= 8.75 kg/d all year
601Chromium, total recoverableMO AVG <= 3.89 kg/d all year
601Chromium, total recoverableDAILY MX <= 9.73 kg/d all year
601Copper, total recoverableMO AVG report only all year
601Copper, total recoverableDAILY MX report only all year
601Chromium, hexavalent dissolved [as Cr]DAILY MX <= .22 kg/d all year
601Flow, in conduit or thru treatment plantMO AVG report only all year
601Flow, in conduit or thru treatment plantDAILY MX report only all year
602Flow rateMO AVG report only all year
602Flow rateDAILY MX report only all year
602pHDAILY MN report only all year
602pHDAILY MX report only all year
602Solids, total suspendedMO AVG <= 30 mg/L all year
602Solids, total suspendedDAILY MX <= 45 mg/L all year
602Nitrogen, ammonia total [as N]MO AVG report only all year
602Nitrogen, ammonia total [as N]DAILY MX report only all year
602Coliform, fecal MF, MFC broth, 44.5 CMO GEOMN <= 1000 #/100mL May, Jun, Jul, Aug, Sep, Oct
602Coliform, fecal MF, MFC broth, 44.5 CDAILY MX <= 2000 #/100mL May, Jun, Jul, Aug, Sep, Oct
602BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L all year
602BOD, carbonaceous [5 day, 20 C]DAILY MX <= 40 mg/L all year
603pHDAILY MN report only all year
603pHDAILY MX report only all year
603Solids, total suspendedMO AVG <= 256 kg/d all year
603Solids, total suspendedDAILY MX <= 597 kg/d all year
603Oil and grease [soxhlet extr.] tot.MO AVG <= 77 kg/d all year
603Oil and grease [soxhlet extr.] tot.DAILY MX <= 232 kg/d all year
603Nickel, total recoverableMO AVG <= 2.53 kg/d all year
603Nickel, total recoverableDAILY MX <= 7.55 kg/d all year
603Chromium, total recoverableMO AVG <= 3.36 kg/d all year
603Chromium, total recoverableDAILY MX <= 8.44 kg/d all year
603Copper, total recoverableMO AVG report only all year
603Copper, total recoverableDAILY MX report only all year
603Chromium, hexavalent dissolved [as Cr]DAILY MX <= .22 kg/d all year
603Flow, in conduit or thru treatment plantMO AVG report only all year
603Flow, 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