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Ati Flat Rolled Prod Holdings LLC

Cold Finishing Of Steel Shapes, major discharger, Vandergrift, Pennsylvania. NPDES permit PA0040274, in force until Jul 31, 2030. Last 12 months: no values over a limit, 64 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 107 form A monthly (14 values), outfall 207 form A monthly (50 values), outfall 008 form S twice a year, outfall 009 form S twice a year, outfall 207 form Y yearly
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 29 reports late

Limits in force (86)

ParameterStatisticLimitMonthsOutfall
Solids, total suspendeddaily maximumreport only (mg/L)all year008
Oil & Greasedaily maximumreport only (mg/L)all year008
Nitrogen, total [as N]daily maximumreport only (mg/L)all year008
Phosphorus, total [as P]daily maximumreport only (mg/L)all year008
Copper, total [as Cu]daily maximumreport only (mg/L)all year008
Iron, total [as Fe]daily maximumreport only (mg/L)all year008
Lead, total [as Pb]daily maximumreport only (mg/L)all year008
Zinc, total [as Zn]daily maximumreport only (mg/L)all year008
Aluminum, total [as Al]daily maximumreport only (mg/L)all year008
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
Phosphorus, total [as P]daily maximumreport only (mg/L)all year009
Copper, total [as Cu]daily maximumreport only (mg/L)all year009
Iron, total [as Fe]daily maximumreport only (mg/L)all year009
Lead, total [as Pb]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
Temperature, water deg. fahrenheitinstantaneous maximum≤ 110 deg Fall year107
pHinstantaneous minimum≥ 6 SUall year107
pHinstantaneous maximum≤ 9 SUall year107
Iron, total [as Fe]monthly averagereport only (mg/L)all year107
Iron, total [as Fe]daily maximumreport only (mg/L)all year107
Manganese, total [as Mn]monthly averagereport only (mg/L)all year107
Manganese, total [as Mn]daily maximumreport only (mg/L)all year107
Aluminum, total [as Al]monthly averagereport only (mg/L)all year107
Aluminum, total [as Al]daily maximumreport only (mg/L)all year107
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year107
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year107
Chlorine, total residualmonthly average≤ .5 mg/Lall year107
Chlorine, total residualdaily maximum≤ 1 mg/Lall year107
Chlorine, total residualinstantaneous maximum≤ 1.25 mg/Lall year107
Temperature, water deg. fahrenheitinstantaneous maximum≤ 110 deg Fall year207
pHinstantaneous minimum≥ 6 SUall year207
pHinstantaneous maximum≤ 9 SUall year207
Solids, total suspendedmonthly average≤ 30 mg/Lall year207
Solids, total suspendeddaily maximum≤ 60 mg/Lall year207
Solids, total suspendedmonthly average≤ 504.9 lb/dall year207
Solids, total suspendeddaily maximum≤ 1172 lb/dall year207
Oil & Greasemonthly average≤ 5 mg/Lall year207
Oil & Greasedaily maximum≤ 5 mg/Lall year207
Oil & Greasemonthly average≤ 17.33 lb/dall year207
Oil & Greasedaily maximum≤ 30.9 lb/dall year207
Nitrogen, ammonia total [as N]monthly average≤ 58.6 mg/Lall year207
Nitrogen, ammonia total [as N]daily maximum≤ 133.3 mg/Lall year207
Nitrogen, ammonia total [as N]monthly average≤ 308.6 lb/dall year207
Nitrogen, ammonia total [as N]daily maximum≤ 702.8 lb/dall year207
Cyanide, total [as CN]monthly average≤ .12 mg/Lall year207
Cyanide, total [as CN]daily maximum≤ .29 mg/Lall year207
Cyanide, total [as CN]monthly average≤ .64 lb/dall year207
Cyanide, total [as CN]daily maximum≤ 1.53 lb/dall year207
Fluoride, total [as F]monthly average≤ 26.4 mg/Lall year207
Fluoride, total [as F]daily maximum≤ 59.5 mg/Lall year207
Fluoride, total [as F]monthly average≤ 139.2 lb/dall year207
Fluoride, total [as F]daily maximum≤ 314.1 lb/dall year207
Chromium, total [as Cr]monthly average≤ 1.52 mg/Lall year207
Chromium, total [as Cr]daily maximum≤ 3.81 mg/Lall year207
Chromium, total [as Cr]monthly average≤ 6.39 lb/dall year207
Chromium, total [as Cr]daily maximum≤ 16 lb/dall year207
Iron, total [as Fe]monthly average≤ 1.5 mg/Lall year207
Iron, total [as Fe]daily maximum≤ 3 mg/Lall year207
Lead, total [as Pb]monthly average≤ .2 mg/Lall year207
Lead, total [as Pb]daily maximum≤ .42 mg/Lall year207
Lead, total [as Pb]monthly average≤ 1.05 lb/dall year207
Lead, total [as Pb]daily maximum≤ 2.22 lb/dall year207
Manganese, total [as Mn]monthly average≤ 1 mg/Lall year207
Manganese, total [as Mn]daily maximum≤ 2 mg/Lall year207
Nickel, total [as Ni]monthly average≤ 1.14 mg/Lall year207
Nickel, total [as Ni]daily maximum≤ 3.42 mg/Lall year207
Nickel, total [as Ni]monthly average≤ 4.8 lb/dall year207
Nickel, total [as Ni]daily maximum≤ 14.4 lb/dall year207
Zinc, total [as Zn]monthly average≤ .61 mg/Lall year207
Zinc, total [as Zn]daily maximum≤ 1.46 mg/Lall year207
Zinc, total [as Zn]monthly average≤ 3.22 lb/dall year207
Zinc, total [as Zn]daily maximum≤ 7.71 lb/dall year207
Aluminum, total [as Al]monthly average≤ .75 mg/Lall year207
Aluminum, total [as Al]daily maximum≤ .75 mg/Lall year207
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year207
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year207
Chlorine, total residualmonthly average≤ .5 mg/Lall year207
Chlorine, total residualdaily maximum≤ 1 mg/Lall year207
Chlorine, total residualinstantaneous maximum≤ 1.25 mg/Lall year207
Perfluorooctanoic acid (PFOA)daily maximumreport only (ng/L)all year207
Perfluorooctanesulfonatedaily maximumreport only (ng/L)all year207
Perfluorobutanesulfonic acid (PFBS)daily maximumreport only (ng/L)all year207
Hexafluoropropylene oxide dimer acid (HFPO-DA)daily maximumreport only (ng/L)all year207

How strict are these limits?

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

Same industry: the 85 Primary Metal Industries permits in Pennsylvania.

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