North Star Bluescope Steel LLC

NPDES permit OH0122386 · Major NON-POTW · effective, expires 2029-01-31 · 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
0required values missing, on 0 form(s)
0of 42 forms filed late

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

Reporting

Reports are due about 20 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (58)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitMO AVG report only all year
001Temperature, water deg. fahrenheitDAILY MX report only all year
001Oxygen, dissolved [DO]DAILY MN >= 5 mg/L all year
001Oil and grease, hexane extr methodDAILY MX <= 10 mg/L all year
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Phosphorus, total [as P]DAILY MX <= 1 mg/L all year
001Phosphorus, total [as P]DAILY MX <= 1.1 kg/d all year
001Iron, total recoverableMO AVG report only Jun, Dec
001Iron, total recoverableDAILY MX report only Jun, Dec
001Nickel, total recoverableMO AVG report only Jun, Dec
001Nickel, total recoverableDAILY MX report only Jun, Dec
001Zinc, total recoverableDAILY MX <= 450 ug/L all year
001Zinc, total recoverableDAILY MX <= .49 kg/d all year
001Lead, total recoverableDAILY MX <= 640 ug/L all year
001Lead, total recoverableDAILY MX <= .7 kg/d all year
001Copper, total recoverableMO AVG report only Jun, Dec
001Copper, total recoverableDAILY 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 residualDAILY MX <= .038 mg/L all year
001Mercury, total low levelMO AVG <= 2.42 ng/L all year
001Mercury, total low levelDAILY MX <= 1700 ng/L all year
001Mercury, total low levelMO AVG <= .0000027 kg/d all year
001Mercury, total low levelDAILY MX <= .00187 kg/d all year
001Toxicity [acute], Ceriodaphnia dubiaDAILY MX <= 1 tox acute Mar, Jun, Aug, Dec
001Toxicity [acute], Pimephales promelas [Fathead Minnow]MO AVG report only Jun, Dec
001Toxicity [acute], Pimephales promelas [Fathead Minnow]DAILY MX report only Jun, Dec
001pH, maximumDAILY MX <= 9 SU all year
001pH, minimumDAILY MN >= 6.5 SU all year
001Solids, total dissolved- 180 deg. CMO AVG report only all year
001Solids, total dissolved- 180 deg. CDAILY MX report only all year
002Zinc, total recoverableMO AVG report only Mar, Jun, Aug, Dec
002Zinc, total recoverableDAILY MX report only Mar, Jun, Aug, Dec
002Aluminum, total recoverableMO AVG report only Mar, Jun, Aug, Dec
002Aluminum, total recoverableDAILY MX report only Mar, Jun, Aug, Dec
003Zinc, total recoverableMO AVG report only Mar, Jun, Aug, Dec
003Zinc, total recoverableDAILY MX report only Mar, Jun, Aug, Dec
003Aluminum, total recoverableMO AVG report only Mar, Jun, Aug, Dec
003Aluminum, total recoverableDAILY MX report only Mar, Jun, Aug, Dec
004Zinc, total recoverableMO AVG report only Mar, Jun, Aug, Dec
004Zinc, total recoverableDAILY MX report only Mar, Jun, Aug, Dec
004Aluminum, total recoverableMO AVG report only Mar, Jun, Aug, Dec
004Aluminum, total recoverableDAILY MX report only Mar, Jun, Aug, Dec
600Mercury, total low levelMO AVG report only all year
600Mercury, total low levelDAILY MX report only all year
601pHDAILY MN >= 6 SU all year
601pHDAILY MX <= 9 SU all year
601Solids, total suspendedMO AVG <= 80.8 kg/d all year
601Solids, total suspendedDAILY MX <= 217 kg/d all year
601Oil and grease, hexane extr methodMO AVG <= 8.77 kg/d all year
601Oil and grease, hexane extr methodDAILY MX <= 59.9 kg/d all year
601Lead, total [as Pb]MO AVG <= .22 kg/d all year
601Lead, total [as Pb]DAILY MX <= .645 kg/d all year
601Zinc, total [as Zn]MO AVG <= .322 kg/d all year
601Zinc, total [as Zn]DAILY MX <= .968 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

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