Republic Steel Massillon Plant

NPDES permit OH0006904 · Minor NON-POTW · effective, expires 2031-06-30 · 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

2values over a limit
2required values missing, on 1 form(s)
2of 56 forms filed late

Last period with anything received: 2026-07-31. Most often over: pH (2).

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 (71)

OutfallParameterStatisticLimitMonths
002pHDAILY MN report only all year
002pHDAILY MX report only all year
002Solids, total suspendedMO AVG report only all year
002Solids, total suspendedDAILY MX report only all year
002Oil and grease, hexane extr methodMO AVG report only all year
002Oil and grease, hexane extr methodDAILY MX report only all year
002Zinc, total recoverableMO AVG report only all year
002Zinc, total recoverableDAILY MX report only all year
002Aluminum, total recoverableMO AVG report only all year
002Aluminum, total recoverableDAILY MX report only all year
027Temperature, water deg. fahrenheitMO AVG report only all year
027Temperature, water deg. fahrenheitDAILY MX report only all year
027pHDAILY MN >= 6.5 SU all year
027pHDAILY MX <= 9 SU all year
027Solids, total suspendedMO AVG report only all year
027Solids, total suspendedDAILY MX report only all year
027Oil and grease, hexane extr methodMO AVG report only all year
027Oil and grease, hexane extr methodDAILY MX report only all year
027Zinc, total recoverableMO AVG report only all year
027Zinc, total recoverableDAILY MX report only all year
027Aluminum, total recoverableMO AVG report only all year
027Aluminum, total recoverableDAILY MX report only all year
027Flow, in conduit or thru treatment plantMO AVG report only all year
027Flow, in conduit or thru treatment plantDAILY MX report only all year
091Temperature, water deg. fahrenheitMO AVG report only all year
091Temperature, water deg. fahrenheitDAILY MX report only all year
091pHDAILY MN >= 6.5 SU all year
091pHDAILY MX <= 9 SU all year
091Solids, total suspendedMO AVG report only all year
091Solids, total suspendedDAILY MX report only all year
091Oil and grease, hexane extr methodMO AVG report only all year
091Oil and grease, hexane extr methodDAILY MX report only all year
091Zinc, total recoverableMO AVG report only all year
091Zinc, total recoverableDAILY MX report only all year
091Aluminum, total recoverableMO AVG report only all year
091Aluminum, total recoverableDAILY MX report only all year
091Flow, in conduit or thru treatment plantMO AVG report only all year
091Flow, in conduit or thru treatment plantDAILY MX report only all year
092pHDAILY MN report only all year
092pHDAILY MX report only all year
092Solids, total suspendedMO AVG report only all year
092Solids, total suspendedDAILY MX report only all year
092Oil and grease, hexane extr methodMO AVG report only all year
092Oil and grease, hexane extr methodDAILY MX report only all year
092Zinc, total recoverableMO AVG report only all year
092Zinc, total recoverableDAILY MX report only all year
092Aluminum, total recoverableMO AVG report only all year
092Aluminum, total recoverableDAILY MX report only all year
611Temperature, water deg. fahrenheitMO AVG report only all year
611Temperature, water deg. fahrenheitDAILY MX report only all year
611pHDAILY MN >= 6.5 SU all year
611pHDAILY MX <= 9 SU all year
611Solids, total suspendedMO AVG report only all year
611Solids, total suspendedDAILY MX report only all year
611Oil and grease, hexane extr methodDAILY MX <= 10 mg/L all year
611Zinc, total recoverableMO AVG report only all year
611Zinc, total recoverableDAILY MX report only all year
611Aluminum, total recoverableMO AVG report only all year
611Aluminum, total recoverableDAILY MX report only all year
611Flow, in conduit or thru treatment plantMO AVG report only all year
611Flow, in conduit or thru treatment plantDAILY MX report only all year
801Temperature, water deg. fahrenheitMO AVG report only all year
801Temperature, water deg. fahrenheitDAILY MX report only all year
801pHDAILY MN report only all year
801pHDAILY MX report only all year
801Oil and grease, hexane extr methodMO AVG report only all year
801Oil and grease, hexane extr methodDAILY MX report only all year
801Zinc, total recoverableMO AVG report only all year
801Zinc, total recoverableDAILY MX report only all year
801Aluminum, total recoverableMO AVG report only all year
801Aluminum, total recoverableDAILY 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