US STEEL CORP — NPDES permit PA0013463: limits, due date and EPA's record

NPDES permit PA0013463 · Minor NON-POTW · effective, expires 2029-02-28 · EPA's file as of 2026-09-19

Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

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 (21)

Outfall	Parameter	Statistic	Limit	Months
102	Temperature, water deg. fahrenheit	INST MAX	<= 110 deg F	all year
102	Oxygen demand, chem. [high level] [COD]	DAILY MX	report only	all year
102	pH	INST MIN	>= 6 SU	all year
102	pH	INST MAX	<= 9 SU	all year
102	Solids, total suspended	DAILY MX	report only	all year
102	Oil & Grease	MO AVG	<= 15 mg/L	all year
102	Nitrogen, total [as N]	DAILY MX	report only	all year
102	Phosphorus, total [as P]	DAILY MX	report only	all year
102	Cadmium, total [as Cd]	DAILY MX	report only	all year
102	Chromium, total [as Cr]	DAILY MX	report only	all year
102	Copper, total [as Cu]	DAILY MX	report only	all year
102	Iron, total [as Fe]	DAILY MX	report only	all year
102	Iron, dissolved [as Fe]	DAILY MX	report only	all year
102	Lead, total [as Pb]	DAILY MX	report only	all year
102	Nickel, total [as Ni]	DAILY MX	report only	all year
102	Zinc, total [as Zn]	DAILY MX	report only	all year
102	Aluminum, total [as Al]	DAILY MX	report only	all year
102	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
102	PCBs Wet Weather Analysis	DAILY MX	report only	all year
102	PCBs Dry Weather Analysis	DAILY MX	report only	all year
102	BOD, carbonaceous [5 day, 20 C]	DAILY MX	report only	all year