CURTISS WRIGHT CORP — NPDES permit PA0001228: limits, due date and EPA's record

NPDES permit PA0001228 · Minor NON-POTW · effective, expires 2029-08-31 · EPA's file as of 2026-09-19

EPA's record, 2025-09-01 to 2026-08-31

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among PA permits in EPA's filings — check your permit).

Limits in force (311)

Outfall	Parameter	Statistic	Limit	Months
001	Temperature, water deg. fahrenheit	INST MAX	<= 110 deg F	all year
001	pH	INST MIN	>= 6 SU	all year
001	pH	INST MAX	<= 9 SU	all year
001	Manganese, total [as Mn]	MO AVG	report only	all year
001	Manganese, total [as Mn]	DAILY MX	report only	all year
001	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
001	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
001	Chlorine, total residual	MO AVG	<= .5 mg/L	all year
001	Chlorine, total residual	DAILY MX	<= 1 mg/L	all year
001	Perfluorooctanoic acid (PFOA)	DAILY MX	report only	all year
001	Perfluorooctanesulfonate	DAILY MX	report only	all year
001	Perfluorobutanesulfonic acid (PFBS)	DAILY MX	report only	all year
001	Hexafluoropropylene oxide dimer acid (HFPO-DA)	DAILY MX	report only	all year
003	Temperature, water deg. fahrenheit	INST MAX	<= 110 deg F	all year
003	pH	INST MIN	>= 6 SU	all year
003	pH	INST MAX	<= 9 SU	all year
003	Manganese, total [as Mn]	MO AVG	report only	all year
003	Manganese, total [as Mn]	DAILY MX	report only	all year
003	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
003	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
003	Chlorine, total residual	MO AVG	report only	all year
003	Chlorine, total residual	DAILY MX	report only	all year
003	Perfluorooctanoic acid (PFOA)	DAILY MX	report only	all year
003	Perfluorooctanesulfonate	DAILY MX	report only	all year
003	Perfluorobutanesulfonic acid (PFBS)	DAILY MX	report only	all year
003	Hexafluoropropylene oxide dimer acid (HFPO-DA)	DAILY MX	report only	all year
004	Temperature, water deg. fahrenheit	INST MAX	<= 110 deg F	all year
004	pH	INST MIN	>= 6 SU	all year
004	pH	INST MAX	<= 9 SU	all year
004	Solids, total suspended	MO AVG	report only	all year
004	Solids, total suspended	DAILY MX	report only	all year
004	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
004	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
004	Chlorine, total residual	MO AVG	report only	all year
004	Chlorine, total residual	DAILY MX	report only	all year
113	Oxygen, dissolved [DO]	INST MIN	>= 5 mg/L	all year
113	pH	INST MIN	>= 6 SU	all year
113	pH	INST MAX	<= 9 SU	all year
113	Solids, total suspended	MO AVG	<= 30 mg/L	all year
113	Solids, total suspended	DAILY MX	<= 60 mg/L	all year
113	Cadmium, total [as Cd]	MO AVG	report only	all year
113	Cadmium, total [as Cd]	DAILY MX	report only	all year
113	Chromium, hexavalent [as Cr]	MO AVG	report only	all year
113	Chromium, hexavalent [as Cr]	DAILY MX	report only	all year
113	Chromium, trivalent [as Cr]	MO AVG	report only	all year
113	Chromium, trivalent [as Cr]	DAILY MX	report only	all year
113	Copper, total [as Cu]	MO AVG	report only	all year
113	Copper, total [as Cu]	DAILY MX	report only	all year
113	Iron, total [as Fe]	MO AVG	report only	all year
113	Iron, total [as Fe]	DAILY MX	report only	all year
113	Iron, dissolved [as Fe]	MO AVG	report only	all year
113	Iron, dissolved [as Fe]	DAILY MX	<= 7 mg/L	all year
113	Lead, total [as Pb]	MO AVG	report only	all year
113	Lead, total [as Pb]	DAILY MX	report only	all year
113	Manganese, total [as Mn]	MO AVG	report only	all year
113	Manganese, total [as Mn]	DAILY MX	report only	all year
113	Thallium, total [as Tl]	MO AVG	report only	all year
113	Thallium, total [as Tl]	DAILY MX	report only	all year
113	Silver, total [as Ag]	MO AVG	report only	all year
113	Silver, total [as Ag]	DAILY MX	report only	all year
113	Zinc, total [as Zn]	MO AVG	report only	all year
113	Zinc, total [as Zn]	DAILY MX	report only	all year
113	Antimony, total [as Sb]	MO AVG	report only	all year
113	Antimony, total [as Sb]	DAILY MX	report only	all year
113	Aluminum, total [as Al]	MO AVG	report only	all year
113	Aluminum, total [as Al]	DAILY MX	report only	all year
113	Selenium, total [as Se]	MO AVG	report only	all year
113	Selenium, total [as Se]	DAILY MX	report only	all year
113	Benzo[k]fluoranthene	MO AVG	report only	all year
113	Benzo[k]fluoranthene	DAILY MX	report only	all year
113	Benzo[a]pyrene	MO AVG	report only	all year
113	Benzo[a]pyrene	DAILY MX	report only	all year
113	Chrysene	MO AVG	report only	all year
113	Chrysene	DAILY MX	report only	all year
113	Benzo[a]anthracene	MO AVG	report only	all year
113	Benzo[a]anthracene	DAILY MX	report only	all year
113	Dibenz[a,h]anthracene	MO AVG	report only	all year
113	Dibenz[a,h]anthracene	DAILY MX	report only	all year
113	Di[2-ethylhexyl] phthalate [DEHP]	MO AVG	report only	all year
113	Di[2-ethylhexyl] phthalate [DEHP]	DAILY MX	report only	all year
113	Hexachlorobenzene	MO AVG	report only	all year
113	Hexachlorobenzene	DAILY MX	report only	all year
113	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
113	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
113	3,4-Benzofluoranthene	MO AVG	report only	all year
113	3,4-Benzofluoranthene	DAILY MX	report only	all year
123	Oxygen, dissolved [DO]	INST MIN	>= 5 mg/L	all year
123	pH	INST MIN	>= 6 SU	all year
123	pH	INST MAX	<= 9 SU	all year
123	Solids, total suspended	MO AVG	<= 30 mg/L	all year
123	Solids, total suspended	DAILY MX	<= 60 mg/L	all year
123	Cadmium, total [as Cd]	MO AVG	report only	all year
123	Cadmium, total [as Cd]	DAILY MX	report only	all year
123	Chromium, hexavalent [as Cr]	MO AVG	report only	all year
123	Chromium, hexavalent [as Cr]	DAILY MX	report only	all year
123	Chromium, trivalent [as Cr]	MO AVG	report only	all year
123	Chromium, trivalent [as Cr]	DAILY MX	report only	all year
123	Copper, total [as Cu]	MO AVG	report only	all year
123	Copper, total [as Cu]	DAILY MX	report only	all year
123	Iron, total [as Fe]	MO AVG	report only	all year
123	Iron, total [as Fe]	DAILY MX	report only	all year
123	Iron, dissolved [as Fe]	MO AVG	report only	all year
123	Iron, dissolved [as Fe]	DAILY MX	<= 7 mg/L	all year
123	Lead, total [as Pb]	MO AVG	report only	all year
123	Lead, total [as Pb]	DAILY MX	report only	all year
123	Manganese, total [as Mn]	MO AVG	report only	all year
123	Manganese, total [as Mn]	DAILY MX	report only	all year
123	Thallium, total [as Tl]	MO AVG	report only	all year
123	Thallium, total [as Tl]	DAILY MX	report only	all year
123	Silver, total [as Ag]	MO AVG	report only	all year
123	Silver, total [as Ag]	DAILY MX	report only	all year
123	Zinc, total [as Zn]	MO AVG	report only	all year
123	Zinc, total [as Zn]	DAILY MX	report only	all year
123	Antimony, total [as Sb]	MO AVG	report only	all year
123	Antimony, total [as Sb]	DAILY MX	report only	all year
123	Aluminum, total [as Al]	MO AVG	report only	all year
123	Aluminum, total [as Al]	DAILY MX	report only	all year
123	Selenium, total [as Se]	MO AVG	report only	all year
123	Selenium, total [as Se]	DAILY MX	report only	all year
123	Benzo[k]fluoranthene	MO AVG	report only	all year
123	Benzo[k]fluoranthene	DAILY MX	report only	all year
123	Benzo[a]pyrene	MO AVG	report only	all year
123	Benzo[a]pyrene	DAILY MX	report only	all year
123	Chrysene	MO AVG	report only	all year
123	Chrysene	DAILY MX	report only	all year
123	Benzo[a]anthracene	MO AVG	report only	all year
123	Benzo[a]anthracene	DAILY MX	report only	all year
123	Dibenz[a,h]anthracene	MO AVG	report only	all year
123	Dibenz[a,h]anthracene	DAILY MX	report only	all year
123	Di[2-ethylhexyl] phthalate [DEHP]	MO AVG	report only	all year
123	Di[2-ethylhexyl] phthalate [DEHP]	DAILY MX	report only	all year
123	Hexachlorobenzene	MO AVG	report only	all year
123	Hexachlorobenzene	DAILY MX	report only	all year
123	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
123	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
123	3,4-Benzofluoranthene	MO AVG	report only	all year
123	3,4-Benzofluoranthene	DAILY MX	report only	all year
133	Oxygen, dissolved [DO]	DAILY MN	>= 5 mg/L	all year
133	pH	INST MIN	>= 6 SU	all year
133	pH	INST MAX	<= 9 SU	all year
133	Solids, total suspended	MO AVG	<= 30 mg/L	all year
133	Solids, total suspended	DAILY MX	<= 60 mg/L	all year
133	Iron, dissolved [as Fe]	MO AVG	report only	all year
133	Iron, dissolved [as Fe]	DAILY MX	<= 7 mg/L	all year
133	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
133	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
303	Oxygen, dissolved [DO]	INST MIN	>= 5 mg/L	all year
303	pH	INST MIN	>= 6 SU	all year
303	pH	INST MAX	<= 9 SU	all year
303	Solids, total suspended	MO AVG	<= 30 mg/L	all year
303	Solids, total suspended	DAILY MX	<= 60 mg/L	all year
303	Cadmium, total [as Cd]	MO AVG	report only	all year
303	Cadmium, total [as Cd]	DAILY MX	report only	all year
303	Chromium, hexavalent [as Cr]	MO AVG	report only	all year
303	Chromium, hexavalent [as Cr]	DAILY MX	report only	all year
303	Chromium, trivalent [as Cr]	MO AVG	report only	all year
303	Chromium, trivalent [as Cr]	DAILY MX	report only	all year
303	Copper, total [as Cu]	MO AVG	report only	all year
303	Copper, total [as Cu]	DAILY MX	report only	all year
303	Iron, total [as Fe]	MO AVG	report only	all year
303	Iron, total [as Fe]	DAILY MX	report only	all year
303	Iron, dissolved [as Fe]	MO AVG	report only	all year
303	Iron, dissolved [as Fe]	DAILY MX	<= 7 mg/L	all year
303	Lead, total [as Pb]	MO AVG	report only	all year
303	Lead, total [as Pb]	DAILY MX	report only	all year
303	Manganese, total [as Mn]	MO AVG	report only	all year
303	Manganese, total [as Mn]	DAILY MX	report only	all year
303	Thallium, total [as Tl]	MO AVG	report only	all year
303	Thallium, total [as Tl]	DAILY MX	report only	all year
303	Silver, total [as Ag]	MO AVG	report only	all year
303	Silver, total [as Ag]	DAILY MX	report only	all year
303	Zinc, total [as Zn]	MO AVG	report only	all year
303	Zinc, total [as Zn]	DAILY MX	report only	all year
303	Antimony, total [as Sb]	MO AVG	report only	all year
303	Antimony, total [as Sb]	DAILY MX	report only	all year
303	Aluminum, total [as Al]	MO AVG	report only	all year
303	Aluminum, total [as Al]	DAILY MX	report only	all year
303	Selenium, total [as Se]	MO AVG	report only	all year
303	Selenium, total [as Se]	DAILY MX	report only	all year
303	Benzo[k]fluoranthene	MO AVG	report only	all year
303	Benzo[k]fluoranthene	DAILY MX	report only	all year
303	Benzo[a]pyrene	MO AVG	report only	all year
303	Benzo[a]pyrene	DAILY MX	report only	all year
303	Chrysene	MO AVG	report only	all year
303	Chrysene	DAILY MX	report only	all year
303	Benzo[a]anthracene	MO AVG	report only	all year
303	Benzo[a]anthracene	DAILY MX	report only	all year
303	Dibenz[a,h]anthracene	MO AVG	report only	all year
303	Dibenz[a,h]anthracene	DAILY MX	report only	all year
303	Di[2-ethylhexyl] phthalate [DEHP]	MO AVG	report only	all year
303	Di[2-ethylhexyl] phthalate [DEHP]	DAILY MX	report only	all year
303	Hexachlorobenzene	MO AVG	report only	all year
303	Hexachlorobenzene	DAILY MX	report only	all year
303	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
303	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
303	3,4-Benzofluoranthene	MO AVG	report only	all year
303	3,4-Benzofluoranthene	DAILY MX	report only	all year
403	Oxygen, dissolved [DO]	INST MIN	>= 5 mg/L	all year
403	pH	INST MIN	>= 6 SU	all year
403	pH	INST MAX	<= 9 SU	all year
403	Solids, total suspended	MO AVG	<= 30 mg/L	all year
403	Solids, total suspended	DAILY MX	<= 60 mg/L	all year
403	Copper, total [as Cu]	MO AVG	report only	all year
403	Copper, total [as Cu]	DAILY MX	report only	all year
403	Iron, dissolved [as Fe]	MO AVG	report only	all year
403	Iron, dissolved [as Fe]	DAILY MX	<= 7 mg/L	all year
403	Lead, total [as Pb]	MO AVG	report only	all year
403	Lead, total [as Pb]	DAILY MX	report only	all year
403	Nickel, total [as Ni]	MO AVG	report only	all year
403	Nickel, total [as Ni]	DAILY MX	report only	all year
403	Zinc, total [as Zn]	MO AVG	report only	all year
403	Zinc, total [as Zn]	DAILY MX	report only	all year
403	Di[2-ethylhexyl] phthalate [DEHP]	MO AVG	report only	all year
403	Di[2-ethylhexyl] phthalate [DEHP]	DAILY MX	report only	all year
403	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
403	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
603	Oxygen, dissolved [DO]	INST MIN	>= 5 mg/L	all year
603	pH	INST MIN	>= 6 SU	all year
603	pH	INST MAX	<= 9 SU	all year
603	Solids, total suspended	MO AVG	<= 30 mg/L	all year
603	Solids, total suspended	DAILY MX	<= 60 mg/L	all year
603	Copper, total [as Cu]	MO AVG	report only	all year
603	Copper, total [as Cu]	DAILY MX	report only	all year
603	Iron, dissolved [as Fe]	MO AVG	report only	all year
603	Iron, dissolved [as Fe]	DAILY MX	<= 7 mg/L	all year
603	Lead, total [as Pb]	MO AVG	report only	all year
603	Lead, total [as Pb]	DAILY MX	report only	all year
603	Nickel, total [as Ni]	MO AVG	report only	all year
603	Nickel, total [as Ni]	DAILY MX	report only	all year
603	Zinc, total [as Zn]	MO AVG	report only	all year
603	Zinc, total [as Zn]	DAILY MX	report only	all year
603	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
603	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
901	Oxygen, dissolved [DO]	INST MIN	>= 5 mg/L	all year
901	pH	INST MIN	>= 6 SU	all year
901	pH	INST MAX	<= 9 SU	all year
901	Solids, total suspended	MO AVG	<= 30 mg/L	all year
901	Solids, total suspended	DAILY MX	<= 60 mg/L	all year
901	Iron, dissolved [as Fe]	MO AVG	report only	all year
901	Iron, dissolved [as Fe]	DAILY MX	<= 7 mg/L	all year
901	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
901	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
903	Oxygen, dissolved [DO]	INST MIN	>= 5 mg/L	all year
903	pH	INST MIN	>= 6 SU	all year
903	pH	INST MAX	<= 9 SU	all year
903	Solids, total suspended	MO AVG	<= 30 mg/L	all year
903	Solids, total suspended	DAILY MX	<= 60 mg/L	all year
903	Cadmium, total [as Cd]	MO AVG	report only	all year
903	Cadmium, total [as Cd]	DAILY MX	report only	all year
903	Chromium, hexavalent [as Cr]	MO AVG	report only	all year
903	Chromium, hexavalent [as Cr]	DAILY MX	report only	all year
903	Chromium, trivalent [as Cr]	MO AVG	report only	all year
903	Chromium, trivalent [as Cr]	DAILY MX	report only	all year
903	Copper, total [as Cu]	MO AVG	report only	all year
903	Copper, total [as Cu]	DAILY MX	report only	all year
903	Iron, total [as Fe]	MO AVG	report only	all year
903	Iron, total [as Fe]	DAILY MX	report only	all year
903	Iron, dissolved [as Fe]	MO AVG	report only	all year
903	Iron, dissolved [as Fe]	DAILY MX	<= 7 mg/L	all year
903	Lead, total [as Pb]	MO AVG	report only	all year
903	Lead, total [as Pb]	DAILY MX	report only	all year
903	Manganese, total [as Mn]	MO AVG	report only	all year
903	Manganese, total [as Mn]	DAILY MX	report only	all year
903	Thallium, total [as Tl]	MO AVG	report only	all year
903	Thallium, total [as Tl]	DAILY MX	report only	all year
903	Silver, total [as Ag]	MO AVG	report only	all year
903	Silver, total [as Ag]	DAILY MX	report only	all year
903	Zinc, total [as Zn]	MO AVG	report only	all year
903	Zinc, total [as Zn]	DAILY MX	report only	all year
903	Antimony, total [as Sb]	MO AVG	report only	all year
903	Antimony, total [as Sb]	DAILY MX	report only	all year
903	Aluminum, total [as Al]	MO AVG	report only	all year
903	Aluminum, total [as Al]	DAILY MX	report only	all year
903	Selenium, total [as Se]	MO AVG	report only	all year
903	Selenium, total [as Se]	DAILY MX	report only	all year
903	Benzo[k]fluoranthene	MO AVG	report only	all year
903	Benzo[k]fluoranthene	DAILY MX	report only	all year
903	Benzo[a]pyrene	MO AVG	report only	all year
903	Benzo[a]pyrene	DAILY MX	report only	all year
903	Chrysene	MO AVG	report only	all year
903	Chrysene	DAILY MX	report only	all year
903	Benzo[a]anthracene	MO AVG	report only	all year
903	Benzo[a]anthracene	DAILY MX	report only	all year
903	Dibenz[a,h]anthracene	MO AVG	report only	all year
903	Dibenz[a,h]anthracene	DAILY MX	report only	all year
903	Di[2-ethylhexyl] phthalate [DEHP]	MO AVG	report only	all year
903	Di[2-ethylhexyl] phthalate [DEHP]	DAILY MX	report only	all year
903	Hexachlorobenzene	MO AVG	report only	all year
903	Hexachlorobenzene	DAILY MX	report only	all year
903	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
903	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
903	3,4-Benzofluoranthene	MO AVG	report only	all year
903	3,4-Benzofluoranthene	DAILY MX	report only	all year
911	Oxygen, dissolved [DO]	INST MIN	>= 5 mg/L	all year
911	pH	INST MIN	>= 6 SU	all year
911	pH	INST MAX	<= 9 SU	all year
911	Solids, total suspended	MO AVG	<= 30 mg/L	all year
911	Solids, total suspended	DAILY MX	<= 60 mg/L	all year
911	Iron, dissolved [as Fe]	MO AVG	report only	all year
911	Iron, dissolved [as Fe]	DAILY MX	<= 7 mg/L	all year
911	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
911	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
921	Oxygen, dissolved [DO]	INST MIN	>= 5 mg/L	all year
921	pH	INST MIN	>= 6 SU	all year
921	pH	INST MAX	<= 9 SU	all year
921	Solids, total suspended	MO AVG	<= 30 mg/L	all year
921	Solids, total suspended	DAILY MX	<= 60 mg/L	all year
921	Iron, dissolved [as Fe]	MO AVG	report only	all year
921	Iron, dissolved [as Fe]	DAILY MX	<= 7 mg/L	all year
921	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
921	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year