US ARMY CORPS OF ENG PITTSBURGH DISTRICT — NPDES permit PA0285366: limits, due date and EPA's record

NPDES permit PA0285366 · Minor NON-POTW · effective, expires 2029-12-31 · 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

Last period with anything received: 2026-06-30. Most often over: Solids, total suspended (1).

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 (24)

Outfall	Parameter	Statistic	Limit	Months
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	<= 50 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	<= 2 mg/L	all year
004	Iron, total [as Fe]	DAILY MX	<= 4 mg/L	all year
004	Manganese, total [as Mn]	MO AVG	<= 1 mg/L	all year
004	Manganese, total [as Mn]	DAILY MX	<= 2 mg/L	all year
004	Aluminum, total [as Al]	MO AVG	<= 4 mg/L	all year
004	Aluminum, total [as Al]	DAILY MX	<= 8 mg/L	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	Solids, total dissolved	MO AVG	report only	all year
004	Solids, total dissolved	DAILY MX	report only	all year
005	pH	INST MIN	>= 6 SU	all year
005	pH	INST MAX	<= 9 SU	all year
005	Solids, total suspended	MO AVG	report only	all year
005	Solids, total suspended	DAILY MX	<= 100 mg/L	all year
006	pH	INST MIN	>= 6 SU	all year
006	pH	INST MAX	<= 9 SU	all year
006	Solids, total suspended	MO AVG	report only	all year
006	Solids, total suspended	DAILY MX	<= 100 mg/L	all year