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Carpenter Tech Corp

Steel Wire And Related Products, major discharger, Reading, Pennsylvania. NPDES permit PA0013129, in force until Feb 28, 2031. Last 12 months: no values over a limit, 77 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 004 form A monthly (5 values), outfall 005 form A monthly (5 values), outfall 011 form A monthly (5 values), outfall 012 form A monthly (5 values), outfall 013 form A monthly (5 values), outfall 014 form A monthly (5 values), and 9 more forms
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 120 reports late

Limits in force (137)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitdaily maximum≤ 110 deg Fall year004
pHdaily minimum≥ 6 SUall year004
pHinstantaneous maximum≤ 9 SUall year004
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year004
Temperature, water deg. fahrenheitdaily maximum≤ 110 deg Fall year005
pHdaily minimum≥ 6 SUall year005
pHinstantaneous maximum≤ 9 SUall 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
Temperature, water deg. fahrenheitdaily maximum≤ 110 deg Fall year011
pHdaily minimum≥ 6 SUall year011
pHinstantaneous maximum≤ 9 SUall year011
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year011
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year011
Temperature, water deg. fahrenheitdaily maximum≤ 110 deg Fall year012
pHdaily minimum≥ 6 SUall year012
pHinstantaneous maximum≤ 9 SUall year012
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year012
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year012
Temperature, water deg. fahrenheitdaily maximum≤ 110 deg Fall year013
pHdaily minimum≥ 6 SUall year013
pHinstantaneous maximum≤ 9 SUall year013
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year013
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year013
Temperature, water deg. fahrenheitdaily maximum≤ 110 deg Fall year014
pHdaily minimum≥ 6 SUall year014
pHinstantaneous maximum≤ 9 SUall year014
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year014
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year014
pHdaily maximumreport only (SU)all year015
Solids, total suspendeddaily maximumreport only (mg/L)all year015
Oil & Greasedaily maximumreport only (mg/L)all year015
Cadmium, total [as Cd]daily maximumreport only (mg/L)all year015
Chromium, hexavalent [as Cr]daily maximumreport only (mg/L)all year015
Copper, total [as Cu]daily maximumreport only (mg/L)all year015
Iron, total [as Fe]daily maximumreport only (mg/L)all year015
Lead, total [as Pb]daily maximumreport only (mg/L)all year015
Nickel, total [as Ni]daily maximumreport only (mg/L)all year015
Zinc, total [as Zn]daily maximumreport only (mg/L)all year015
Aluminum, total [as Al]daily maximumreport only (mg/L)all year015
pHdaily maximumreport only (SU)all year016
Solids, total suspendeddaily maximumreport only (mg/L)all year016
Oil & Greasedaily maximumreport only (mg/L)all year016
Cadmium, total [as Cd]daily maximumreport only (mg/L)all year016
Chromium, hexavalent [as Cr]daily maximumreport only (mg/L)all year016
Copper, total [as Cu]daily maximumreport only (mg/L)all year016
Iron, total [as Fe]daily maximumreport only (mg/L)all year016
Lead, total [as Pb]daily maximumreport only (mg/L)all year016
Nickel, total [as Ni]daily maximumreport only (mg/L)all year016
Zinc, total [as Zn]daily maximumreport only (mg/L)all year016
Aluminum, total [as Al]daily maximumreport only (mg/L)all year016
pHdaily maximumreport only (SU)all year017
Solids, total suspendeddaily maximumreport only (mg/L)all year017
Oil & Greasedaily maximumreport only (mg/L)all year017
Cadmium, total [as Cd]daily maximumreport only (mg/L)all year017
Chromium, hexavalent [as Cr]daily maximumreport only (mg/L)all year017
Copper, total [as Cu]daily maximumreport only (mg/L)all year017
Iron, total [as Fe]daily maximumreport only (mg/L)all year017
Lead, total [as Pb]daily maximumreport only (mg/L)all year017
Nickel, total [as Ni]daily maximumreport only (mg/L)all year017
Zinc, total [as Zn]daily maximumreport only (mg/L)all year017
Aluminum, total [as Al]daily maximumreport only (mg/L)all year017
PCBs Wet Weather Analysisdaily maximumreport only (ng/L)all year018
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year901
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year901
pHdaily minimum≥ 6 SUall year901
pHinstantaneous maximum≤ 9 SUall year901
Solids, total suspendedmonthly average≤ 30 mg/Lall year901
Solids, total suspendeddaily maximum≤ 60 mg/Lall year901
Solids, total suspendedmonthly average≤ 230 lb/dall year901
Solids, total suspendeddaily maximum≤ 460 lb/dall year901
Oil & Greasemonthly average≤ 15 mg/Lall year901
Oil & Greasedaily maximum≤ 30 mg/Lall year901
Oil & Greasemonthly average≤ 115 lb/dall year901
Oil & Greasedaily maximum≤ 230 lb/dall year901
Nitrogen, total [as N]daily maximumreport only (mg/L)all year901
Nitrogen, total [as N]daily maximumreport only (lb/d)all year901
Nitrogen, ammonia total [as N]monthly average≤ 45 mg/Lall year901
Nitrogen, ammonia total [as N]daily maximum≤ 90 mg/Lall year901
Nitrogen, ammonia total [as N]monthly average≤ 345 lb/dall year901
Nitrogen, ammonia total [as N]daily maximum≤ 690 lb/dall year901
Nitrogen, nitrate total [as N]daily maximumreport only (mg/L)all year901
Nitrogen, nitrate total [as N]daily maximumreport only (lb/d)all year901
Cyanide, total [as CN]monthly average≤ .18 mg/Lall year901
Cyanide, total [as CN]daily maximum≤ .35 mg/Lall year901
Cyanide, total [as CN]monthly average≤ 1.38 lb/dall year901
Cyanide, total [as CN]daily maximum≤ 2.7 lb/dall year901
Cadmium, total [as Cd]daily maximum≤ .045 mg/Lall year901
Cadmium, total [as Cd]daily maximum≤ .35 lb/dall year901
Chromium, hexavalent [as Cr]monthly average≤ .61 mg/Lall year901
Chromium, hexavalent [as Cr]daily maximum≤ .94 mg/Lall year901
Chromium, hexavalent [as Cr]monthly average≤ 4.6 lb/dall year901
Chromium, hexavalent [as Cr]daily maximum≤ 7.2 lb/dall year901
Chromium, total [as Cr]monthly averagereport only (mg/L)all year901
Chromium, total [as Cr]daily maximumreport only (mg/L)all year901
Chromium, total [as Cr]monthly average≤ 5.3 lb/dall year901
Chromium, total [as Cr]daily maximum≤ 10.5 lb/dall year901
Copper, total [as Cu]monthly average≤ .5 mg/Lall year901
Copper, total [as Cu]daily maximum≤ .82 mg/Lall year901
Copper, total [as Cu]monthly average≤ 3.8 lb/dall year901
Copper, total [as Cu]daily maximum≤ 6.3 lb/dall year901
Lead, total [as Pb]daily maximum≤ .21 mg/Lall year901
Lead, total [as Pb]daily maximum≤ 1.61 lb/dall year901
Nickel, total [as Ni]monthly averagereport only (mg/L)all year901
Nickel, total [as Ni]daily maximumreport only (mg/L)all year901
Nickel, total [as Ni]monthly average≤ 6 lb/dall year901
Nickel, total [as Ni]daily maximum≤ 12.2 lb/dall year901
Silver, total [as Ag]daily maximum≤ .1 mg/Lall year901
Silver, total [as Ag]daily maximum≤ .76 lb/dall year901
Zinc, total [as Zn]daily maximum≤ .66 mg/Lall year901
Zinc, total [as Zn]daily maximum≤ 5 lb/dall year901
Tetrachloroethyleneinstantaneous maximumreport only (mg/L)all year901
1,1-Dichloroethyleneinstantaneous maximumreport only (mg/L)all year901
1,1,1-Trichloroethaneinstantaneous maximumreport only (mg/L)all year901
Naphthaleneinstantaneous maximumreport only (mg/L)all year901
1,2-Dichloroetheneinstantaneous maximumreport only (mg/L)all year901
Trichloroethyleneinstantaneous maximumreport only (mg/L)all year901
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year901
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year901
Perfluorooctanoic acid (PFOA)daily maximumreport only (ng/L)all year901
Perfluorooctanoic acid (PFOA)daily maximumreport only (ng/L)all year901
Perfluorooctanesulfonatedaily maximumreport only (ng/L)all year901
Perfluorooctanesulfonatedaily maximumreport only (ng/L)all year901
Perfluorobutanesulfonic acid (PFBS)daily maximumreport only (ng/L)all year901
Perfluorobutanesulfonic acid (PFBS)daily maximumreport only (ng/L)all year901
Hexafluoropropylene oxide dimer acid (HFPO-DA)daily maximumreport only (ng/L)all year901
Hexafluoropropylene oxide dimer acid (HFPO-DA)daily maximumreport only (ng/L)all year901
Solids, total dissolvedmonthly averagereport only (mg/L)all year901
Solids, total dissolvedmonthly averagereport only (lb/d)all year901
Organics, total toxic [TTO]daily maximum≤ .52 mg/Lall year901
Organics, total toxic [TTO]daily maximum≤ 4 lb/dall year901
Temperature, water deg. fahrenheitdaily maximum≤ 110 deg Fall year902
pHdaily minimum≥ 6 SUall year902
pHinstantaneous maximum≤ 9 SUall year902
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year902
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year902

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/PA0013129 · MCP: https://passage-data.com/mcp