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JSW Steel USA Ohio, Inc.

Blast Furnaces And Steel Mills, major discharger, Mingo Junction, Ohio. NPDES permit OH0011355, in force until Aug 31, 2030. Last 12 months: no values over a limit, 5 of 64 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 005 form A monthly (6 values), outfall 007 form A monthly (17 values), outfall 009 form A monthly (6 values), outfall 011 form A monthly (6 values), outfall 603 form A monthly (8 values), outfall 606 form A monthly (12 values), and 2 more forms
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 86 reports late

Limits in force (69)

ParameterStatisticLimitMonthsOutfall
Zinc, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec005
Zinc, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec005
Aluminum, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec005
Aluminum, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec005
Copper, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec005
Copper, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec005
Temperature, water deg. centigrademonthly averagereport only (deg C)all year007
Temperature, water deg. centigradedaily maximumreport only (deg C)all year007
pHdaily minimum≥ 6 SUall year007
pHdaily maximum≤ 9 SUall year007
Oil and grease, hexane extr methodmonthly averagereport only (mg/L)all year007
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)all year007
Zinc, total recoverablemonthly averagereport only (ug/L)all year007
Zinc, total recoverabledaily maximumreport only (ug/L)all year007
Lead, total recoverablemonthly averagereport only (ug/L)all year007
Lead, total recoverabledaily maximumreport only (ug/L)all year007
Copper, total recoverablemonthly averagereport only (ug/L)all year007
Copper, total recoverabledaily maximumreport only (ug/L)all year007
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year007
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year007
Chlorine, total residualdaily maximum≤ .038 mg/Lall year007
Mercury, total low levelmonthly averagereport only (ng/L)Mar, Jun, Sep, Dec007
Mercury, total low leveldaily maximumreport only (ng/L)Mar, Jun, Sep, Dec007
Zinc, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec009
Zinc, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec009
Aluminum, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec009
Aluminum, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec009
Copper, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec009
Copper, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec009
Zinc, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec011
Zinc, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec011
Aluminum, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec011
Aluminum, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec011
Copper, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec011
Copper, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec011
pHdaily minimumreport only (SU)Mar, Jun, Sep, Dec603
pHdaily maximumreport only (SU)Mar, Jun, Sep, Dec603
Solids, total suspendedmonthly averagereport only (mg/L)Mar, Jun, Sep, Dec603
Solids, total suspendeddaily maximumreport only (mg/L)Mar, Jun, Sep, Dec603
Oil and grease, hexane extr methodmonthly averagereport only (mg/L)Mar, Jun, Sep, Dec603
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)Mar, Jun, Sep, Dec603
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year603
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year603
pHdaily minimumreport only (SU)all year606
pHdaily maximumreport only (SU)all year606
Solids, total suspendedmonthly average≤ 144 kg/dall year606
Solids, total suspendeddaily maximum≤ 431 kg/dall year606
Oil and grease, hexane extr methodmonthly average≤ 43 kg/dall year606
Oil and grease, hexane extr methoddaily maximum≤ 129 kg/dall year606
Zinc, total recoverablemonthly average≤ .259 kg/dall year606
Zinc, total recoverabledaily maximum≤ .779 kg/dall year606
Lead, total recoverablemonthly average≤ .173 kg/dall year606
Lead, total recoverabledaily maximum≤ .519 kg/dall year606
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year606
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year606
pHdaily minimumreport only (SU)all year607
pHdaily maximumreport only (SU)all year607
Solids, total suspendedmonthly average≤ 153 kg/dall year607
Solids, total suspendeddaily maximum≤ 460 kg/dall year607
Oil and grease, hexane extr methodmonthly average≤ 46 kg/dall year607
Oil and grease, hexane extr methoddaily maximum≤ 138 kg/dall year607
Zinc, total recoverablemonthly average≤ .277 kg/dall year607
Zinc, total recoverabledaily maximum≤ .831 kg/dall year607
Lead, total recoverablemonthly average≤ .185 kg/dall year607
Lead, total recoverabledaily maximum≤ .554 kg/dall year607
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year607
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year607
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year800
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year800

New limits from Sep 1, 2028

ParameterNew limitFromNew or tighterMedian, last 12 months× new limit
Copper, total recoverable, daily maximum outfall 00729 ug/LSep 1, 2028new11 ug/L (6 values)0.379×
Copper, total recoverable, daily maximum outfall 00929 ug/L (Mar, Jun, Sep, Dec)Sep 1, 2029new——
Zinc, total recoverable, daily maximum outfall 011380 ug/L (Mar, Jun, Sep, Dec)Sep 1, 2029new38 ug/L (3 values)0.1×

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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