TROGON DEV LLC — NPDES permit PA0090271: limits, due date and EPA's record

NPDES permit PA0090271 · Minor NON-POTW · effective, expires 2026-10-31 · 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 (read off this permit's own late-day counts in EPA's filings).

Limits in force (110)

Outfall	Parameter	Statistic	Limit	Months
001	pH	INST MIN	>= 6 SU	all year
001	pH	INST MAX	<= 9 SU	all year
001	Solids, total suspended	MO AVG	<= 30 mg/L	all year
001	Solids, total suspended	DAILY MX	<= 60 mg/L	all year
001	Oil & Grease	MO AVG	<= 15 mg/L	all year
001	Oil & Grease	DAILY MX	<= 20 mg/L	all year
001	Copper, total [as Cu]	MO AVG	report only	all year
001	Copper, total [as Cu]	DAILY MX	report only	all year
001	Iron, total [as Fe]	MO AVG	<= 3.5 mg/L	all year
001	Iron, total [as Fe]	DAILY MX	<= 7 mg/L	all year
001	Zinc, total [as Zn]	MO AVG	report only	all year
001	Zinc, total [as Zn]	DAILY MX	report only	all year
001	Aluminum, total [as Al]	MO AVG	<= 5 mg/L	all year
001	Aluminum, total [as Al]	DAILY MX	<= 10 mg/L	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	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
002	pH	INST MIN	>= 6 SU	all year
002	pH	INST MAX	<= 9 SU	all year
002	Solids, total suspended	MO AVG	<= 30 mg/L	all year
002	Solids, total suspended	DAILY MX	<= 60 mg/L	all year
002	Oil & Grease	MO AVG	<= 15 mg/L	all year
002	Oil & Grease	DAILY MX	<= 20 mg/L	all year
002	Sulfate, total [as SO4]	MO AVG	report only	all year
002	Sulfate, total [as SO4]	DAILY MX	report only	all year
002	Arsenic, total [as As]	MO AVG	report only	all year
002	Arsenic, total [as As]	DAILY MX	report only	all year
002	Boron, total [as B]	MO AVG	report only	all year
002	Boron, total [as B]	DAILY MX	report only	all year
002	Cadmium, total [as Cd]	MO AVG	report only	all year
002	Cadmium, total [as Cd]	DAILY MX	report only	all year
002	Copper, total [as Cu]	MO AVG	report only	all year
002	Copper, total [as Cu]	DAILY MX	report only	all year
002	Iron, total [as Fe]	MO AVG	<= 3.5 mg/L	all year
002	Iron, total [as Fe]	DAILY MX	<= 7 mg/L	all year
002	Manganese, total [as Mn]	MO AVG	report only	all year
002	Manganese, total [as Mn]	DAILY MX	report only	all year
002	Nickel, total [as Ni]	MO AVG	report only	all year
002	Nickel, total [as Ni]	DAILY MX	report only	all year
002	Strontium, total [as Sr]	MO AVG	report only	all year
002	Strontium, total [as Sr]	DAILY MX	report only	all year
002	Zinc, total [as Zn]	MO AVG	report only	all year
002	Zinc, total [as Zn]	DAILY MX	report only	all year
002	Aluminum, total [as Al]	MO AVG	<= 5 mg/L	all year
002	Aluminum, total [as Al]	DAILY MX	<= 10 mg/L	all year
002	Lithium, total [as Li]	MO AVG	report only	all year
002	Lithium, total [as Li]	DAILY MX	report only	all year
002	Selenium, total [as Se]	MO AVG	report only	all year
002	Selenium, total [as Se]	DAILY MX	report only	all year
002	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
002	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
002	Solids, total dissolved	MO AVG	report only	all year
002	Solids, total dissolved	DAILY MX	report only	all year
002	Bromide [as Br]	MO AVG	report only	all year
002	Bromide [as Br]	DAILY MX	report only	all year
002	Osmotic pressure, total, unf whl wtr	MO AVG	report only	all year
002	Osmotic pressure, total, unf whl wtr	DAILY MX	report only	all year
003	pH	INST MIN	>= 6 SU	all year
003	pH	INST MAX	<= 9 SU	all year
003	Solids, total suspended	MO AVG	<= 30 mg/L	all year
003	Solids, total suspended	DAILY MX	<= 60 mg/L	all year
003	Oil & Grease	MO AVG	<= 15 mg/L	all year
003	Oil & Grease	DAILY MX	<= 20 mg/L	all year
003	Sulfate, total [as SO4]	MO AVG	report only	all year
003	Sulfate, total [as SO4]	DAILY MX	report only	all year
003	Arsenic, total [as As]	MO AVG	report only	all year
003	Arsenic, total [as As]	DAILY MX	report only	all year
003	Boron, total [as B]	MO AVG	report only	all year
003	Boron, total [as B]	DAILY MX	report only	all year
003	Cadmium, total [as Cd]	MO AVG	report only	all year
003	Cadmium, total [as Cd]	DAILY MX	report only	all year
003	Copper, total [as Cu]	MO AVG	report only	all year
003	Copper, total [as Cu]	DAILY MX	report only	all year
003	Iron, total [as Fe]	MO AVG	<= 3.5 mg/L	all year
003	Iron, total [as Fe]	DAILY MX	<= 7 mg/L	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	Nickel, total [as Ni]	MO AVG	report only	all year
003	Nickel, total [as Ni]	DAILY MX	report only	all year
003	Strontium, total [as Sr]	MO AVG	report only	all year
003	Strontium, total [as Sr]	DAILY MX	report only	all year
003	Zinc, total [as Zn]	MO AVG	report only	all year
003	Zinc, total [as Zn]	DAILY MX	report only	all year
003	Aluminum, total [as Al]	MO AVG	<= 5 mg/L	all year
003	Aluminum, total [as Al]	DAILY MX	<= 10 mg/L	all year
003	Lithium, total [as Li]	MO AVG	report only	all year
003	Lithium, total [as Li]	DAILY MX	report only	all year
003	Selenium, total [as Se]	MO AVG	report only	all year
003	Selenium, total [as Se]	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	Solids, total dissolved	MO AVG	report only	all year
003	Solids, total dissolved	DAILY MX	report only	all year
003	Bromide [as Br]	MO AVG	report only	all year
003	Bromide [as Br]	DAILY MX	report only	all year
003	Osmotic pressure, total, unf whl wtr	MO AVG	report only	all year
003	Osmotic pressure, total, unf whl wtr	DAILY MX	report only	all year
004	pH	INST MIN	>= 6 SU	all year
004	pH	INST MAX	<= 9 SU	all year
004	Solids, total suspended	MO AVG	<= 30 mg/L	all year
004	Solids, total suspended	DAILY MX	<= 100 mg/L	all year
004	Oil & Grease	MO AVG	<= 15 mg/L	all year
004	Oil & Grease	DAILY MX	<= 30 mg/L	all year
004	Iron, total [as Fe]	MO AVG	report only	all year
004	Iron, total [as Fe]	DAILY MX	<= 7 mg/L	all year
004	Aluminum, total [as Al]	MO AVG	report only	all year
004	Aluminum, total [as Al]	DAILY MX	report only	all year