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Union Elec Steel Corp

Rolling Mill Machinery, Carnegie, Pennsylvania. NPDES permit PA0002887, in force until Jul 31, 2029. Last 12 months: over a limit 4 times (last March 2026), 28 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 005 form A monthly (19 values), outfall 105 form A monthly (5 values), outfall 205 form A monthly (4 values), outfall 005 form Y yearly, outfall 009 form S twice a year
Last report on file
June 2026
Oct 2024 – Sep 2025
2 values over a limit, 0 required values missing, 3 of 39 reports late

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

Period endingParameterReportedLimitOver by
January 2026Chlorine, free available, daily maximum1.66 mg/L≤ .5 mg/L232%
January 2026Chlorine, free available, monthly average.83 mg/L≤ .3 mg/L177%
March 2026Chlorine, free available, daily maximum5 mg/L≤ .5 mg/L900%
March 2026Chlorine, free available, monthly average2.55 mg/L≤ .3 mg/L750%

Limits in force (42)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitdaily maximum≤ 110 deg Fall year005
pHinstantaneous minimum≥ 6 SUall year005
pHinstantaneous maximum≤ 9 SUall year005
Solids, total suspendeddaily maximumreport only (mg/L)all year005
Oil & Greaseinstantaneous maximumreport only (mg/L)all year005
Copper, total [as Cu]monthly averagereport only (mg/L)all year005
Copper, total [as Cu]daily maximumreport only (mg/L)all year005
Iron, total [as Fe]monthly average≤ 1.5 mg/Lall year005
Iron, total [as Fe]daily maximum≤ 3 mg/Lall year005
Manganese, total [as Mn]monthly average≤ 1 mg/Lall year005
Manganese, total [as Mn]daily maximum≤ 2 mg/Lall year005
Zinc, total [as Zn]daily maximumreport only (mg/L)all year005
Aluminum, total [as Al]monthly average≤ .75 mg/Lall year005
Aluminum, total [as Al]daily maximum≤ .75 mg/Lall year005
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year005
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year005
Chlorine, total residualmonthly average≤ .5 mg/Lall year005
Chlorine, total residualinstantaneous maximum≤ 1.6 mg/Lall year005
Chlorine, free availabledaily maximumreport only (mg/L)all year005
Perfluorooctanoic acid (PFOA)daily maximumreport only (ng/L)all year005
Perfluorooctanesulfonatedaily maximumreport only (ng/L)all year005
Perfluorobutanesulfonic acid (PFBS)daily maximumreport only (ng/L)all year005
Hexafluoropropylene oxide dimer acid (HFPO-DA)daily maximumreport only (ng/L)all year005
pHdaily maximumreport only (SU)all year009
Solids, total suspendeddaily maximumreport only (mg/L)all year009
Oil & Greasedaily maximumreport only (mg/L)all year009
Nitrogen, total [as N]daily maximumreport only (mg/L)all year009
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year009
Phosphorus, total [as P]daily maximumreport only (mg/L)all year009
Iron, total [as Fe]daily maximumreport only (mg/L)all year009
Manganese, total [as Mn]daily maximumreport only (mg/L)all year009
Zinc, total [as Zn]daily maximumreport only (mg/L)all year009
Aluminum, total [as Al]daily maximumreport only (mg/L)all year009
Solids, total suspendeddaily maximum≤ 62 mg/Lall year105
Oil & Greasemonthly average≤ 15 mg/Lall year105
Oil & Greaseinstantaneous maximum≤ 30 mg/Lall year105
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year105
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year105
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year205
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year205
Chlorine, free availablemonthly average≤ .3 mg/Lall year205
Chlorine, free availabledaily maximum≤ .5 mg/Lall year205

How strict are these limits?

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

Same industry: the 19 Industrial and Commercial Machinery and Computer Equipment permits in Pennsylvania.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/PA0002887 · MCP: https://passage-data.com/mcp