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Ilsco Extrusions Inc

Aluminum Extruded Products, Greenville, Pennsylvania. NPDES permit PA0034916, in force until Dec 31, 2030. Last 12 months: over a limit once (last February 2026), 46 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 003 form A monthly (5 values), outfall 103 form A monthly (30 values), outfall 203 form A monthly (11 values), outfall 006 form S twice a year, outfall 009 form S twice a year, outfall 010 form S twice a year, and 3 more forms
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 36 reports late

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

Period endingParameterReportedLimitOver by
February 2026Phosphorus, total [as P], monthly average2.7 mg/L≤ 2 mg/L35%

Limits in force (87)

ParameterStatisticLimitMonthsOutfall
pHminimum≥ 6 SUall year003
pHmaximum≤ 9 SUall year003
Oil & Greasemonthly average≤ 15 mg/Lall year003
Oil & Greaseinstantaneous maximum≤ 30 mg/Lall year003
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year003
Solids, total suspendeddaily maximumreport only (mg/L)all year006
Oil & Greasedaily maximumreport only (mg/L)all year006
Nitrogen, total [as N]daily maximumreport only (mg/L)all year006
Phosphorus, total [as P]daily maximumreport only (mg/L)all year006
Copper, total [as Cu]daily maximumreport only (mg/L)all year006
Iron, total [as Fe]daily maximumreport only (mg/L)all year006
Lead, total [as Pb]daily maximumreport only (mg/L)all year006
Zinc, total [as Zn]daily maximumreport only (mg/L)all year006
Aluminum, total [as Al]daily maximumreport only (mg/L)all year006
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
Solids, total suspendeddaily maximumreport only (mg/L)all year010
Oil & Greasedaily maximumreport only (mg/L)all year010
Nitrogen, total [as N]daily maximumreport only (mg/L)all year010
Phosphorus, total [as P]daily maximumreport only (mg/L)all year010
Copper, total [as Cu]daily maximumreport only (mg/L)all year010
Iron, total [as Fe]daily maximumreport only (mg/L)all year010
Lead, total [as Pb]daily maximumreport only (mg/L)all year010
Zinc, total [as Zn]daily maximumreport only (mg/L)all year010
Aluminum, total [as Al]daily maximumreport only (mg/L)all year010
pHinstantaneous minimum≥ 6 SUall year103
pHinstantaneous maximum≤ 9 SUall year103
Solids, total suspendedmonthly averagereport only (mg/L)all year103
Solids, total suspendeddaily maximumreport only (mg/L)all year103
Solids, total suspendedmonthly average≤ 29 lb/dall year103
Solids, total suspendeddaily maximum≤ 61 lb/dall year103
Oil & Greasemonthly averagereport only (mg/L)all year103
Oil & Greasedaily maximumreport only (mg/L)all year103
Oil & Greasemonthly average≤ 17.8 lb/dall year103
Oil & Greasedaily maximum≤ 29.7 lb/dall year103
Cyanide, total [as CN]monthly averagereport only (mg/L)all year103
Cyanide, total [as CN]daily maximumreport only (mg/L)all year103
Cyanide, total [as CN]monthly average≤ .1 lb/dall year103
Cyanide, total [as CN]daily maximum≤ .2 lb/dall year103
Chloride [as Cl]daily maximumreport only (mg/L)all year103
Arsenic, total [as As]daily maximumreport only (mg/L)all year103
Arsenic, total [as As]daily maximumreport only (lb/d)all year103
Chromium, total [as Cr]monthly averagereport only (mg/L)all year103
Chromium, total [as Cr]daily maximumreport only (mg/L)all year103
Chromium, total [as Cr]monthly average≤ .1 lb/dall year103
Chromium, total [as Cr]daily maximum≤ .4 lb/dall year103
Copper, total [as Cu]daily maximumreport only (ug/L)all year103
Nickel, total [as Ni]daily maximumreport only (ug/L)all year103
Zinc, total [as Zn]monthly averagereport only (mg/L)all year103
Zinc, total [as Zn]daily maximumreport only (mg/L)all year103
Zinc, total [as Zn]monthly average≤ .5 lb/dall year103
Zinc, total [as Zn]daily maximum≤ 1.2 lb/dall year103
Aluminum, total [as Al]monthly averagereport only (mg/L)all year103
Aluminum, total [as Al]daily maximumreport only (mg/L)all year103
Aluminum, total [as Al]monthly average≤ 2.6 lb/dall year103
Aluminum, total [as Al]daily maximum≤ 5.2 lb/dall year103
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year103
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year103
Perfluorooctanoic acid (PFOA)daily maximumreport only (ng/L)all year103
Perfluorooctanesulfonatedaily maximumreport only (ng/L)all year103
Perfluorobutanesulfonic acid (PFBS)daily maximumreport only (ng/L)all year103
Hexafluoropropylene oxide dimer acid (HFPO-DA)daily maximumreport only (ng/L)all year103
Oxygen, dissolved [DO]daily minimum≥ 4 mg/Lall year203
pHdaily minimum≥ 6 SUall year203
pHdaily maximum≤ 9 SUall year203
Solids, total suspendedmonthly average≤ 30 mg/Lall year203
Nitrogen, total [as N]monthly averagereport only (mg/L)all year203
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year203
Phosphorus, total [as P]monthly average≤ 2 mg/Lall year203
Chloride [as Cl]daily maximumreport only (mg/L)all year203
Copper, total [as Cu]daily maximumreport only (ug/L)all year203
Nickel, total [as Ni]daily maximumreport only (ug/L)all year203
Zinc, total [as Zn]daily maximumreport only (ug/L)all year203
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year203
E. coliinstantaneous maximumreport only (#/100mL)all year203
Coliform, fecal generalgeometric mean≤ 2000 #/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec203
Coliform, fecal generalgeometric mean≤ 200 #/100mLMay–Sep203
Coliform, fecal generalinstantaneous maximum≤ 10000 #/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec203
Coliform, fecal generalinstantaneous maximum≤ 1000 #/100mLMay–Sep203
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year203

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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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/PA0034916 · MCP: https://passage-data.com/mcp