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Republic Steel Massillon Plant

Cold Finishing Of Steel Shapes, Massillon, Ohio. NPDES permit OH0006904, in force until Jun 30, 2031. Last 12 months: over a limit 2 times (last June 2026), 2 required values missing, 2 of 57 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 027 form A monthly (14 values), outfall 091 form A monthly (14 values), outfall 611 form A monthly (13 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 81 required values missing, 10 of 60 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimit
May 2026pH, daily minimum6.3≥ 6.5 SU
June 2026pH, daily minimum6.3≥ 6.5 SU

Limits in force (71)

ParameterStatisticLimitMonthsOutfall
pHdaily minimumreport only (SU)all year002
pHdaily maximumreport only (SU)all year002
Solids, total suspendedmonthly averagereport only (mg/L)all year002
Solids, total suspendeddaily maximumreport only (mg/L)all year002
Oil and grease, hexane extr methodmonthly averagereport only (mg/L)all year002
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)all year002
Zinc, total recoverablemonthly averagereport only (ug/L)all year002
Zinc, total recoverabledaily maximumreport only (ug/L)all year002
Aluminum, total recoverablemonthly averagereport only (ug/L)all year002
Aluminum, total recoverabledaily maximumreport only (ug/L)all year002
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year027
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year027
pHdaily minimum≥ 6.5 SUall year027
pHdaily maximum≤ 9 SUall year027
Solids, total suspendedmonthly averagereport only (mg/L)all year027
Solids, total suspendeddaily maximumreport only (mg/L)all year027
Oil and grease, hexane extr methodmonthly averagereport only (mg/L)all year027
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)all year027
Zinc, total recoverablemonthly averagereport only (ug/L)all year027
Zinc, total recoverabledaily maximumreport only (ug/L)all year027
Aluminum, total recoverablemonthly averagereport only (ug/L)all year027
Aluminum, total recoverabledaily maximumreport only (ug/L)all year027
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year027
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year027
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year091
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year091
pHdaily minimum≥ 6.5 SUall year091
pHdaily maximum≤ 9 SUall year091
Solids, total suspendedmonthly averagereport only (mg/L)all year091
Solids, total suspendeddaily maximumreport only (mg/L)all year091
Oil and grease, hexane extr methodmonthly averagereport only (mg/L)all year091
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)all year091
Zinc, total recoverablemonthly averagereport only (ug/L)all year091
Zinc, total recoverabledaily maximumreport only (ug/L)all year091
Aluminum, total recoverablemonthly averagereport only (ug/L)all year091
Aluminum, total recoverabledaily maximumreport only (ug/L)all year091
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year091
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year091
pHdaily minimumreport only (SU)all year092
pHdaily maximumreport only (SU)all year092
Solids, total suspendedmonthly averagereport only (mg/L)all year092
Solids, total suspendeddaily maximumreport only (mg/L)all year092
Oil and grease, hexane extr methodmonthly averagereport only (mg/L)all year092
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)all year092
Zinc, total recoverablemonthly averagereport only (ug/L)all year092
Zinc, total recoverabledaily maximumreport only (ug/L)all year092
Aluminum, total recoverablemonthly averagereport only (ug/L)all year092
Aluminum, total recoverabledaily maximumreport only (ug/L)all year092
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year611
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year611
pHdaily minimum≥ 6.5 SUall year611
pHdaily maximum≤ 9 SUall year611
Solids, total suspendedmonthly averagereport only (mg/L)all year611
Solids, total suspendeddaily maximumreport only (mg/L)all year611
Oil and grease, hexane extr methoddaily maximum≤ 10 mg/Lall year611
Zinc, total recoverablemonthly averagereport only (ug/L)all year611
Zinc, total recoverabledaily maximumreport only (ug/L)all year611
Aluminum, total recoverablemonthly averagereport only (ug/L)all year611
Aluminum, total recoverabledaily maximumreport only (ug/L)all year611
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year611
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year611
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year801
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year801
pHdaily minimumreport only (SU)all year801
pHdaily maximumreport only (SU)all year801
Oil and grease, hexane extr methodmonthly averagereport only (mg/L)all year801
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)all year801
Zinc, total recoverablemonthly averagereport only (ug/L)all year801
Zinc, total recoverabledaily maximumreport only (ug/L)all year801
Aluminum, total recoverablemonthly averagereport only (ug/L)all year801
Aluminum, total recoverabledaily maximumreport only (ug/L)all year801

Cited limits by parameter: Ohio's rules and the federal ones.

Same industry: the 56 Primary Metal Industries permits in Ohio.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/OH0006904 · MCP: https://passage-data.com/mcp