CSX TRANSPORTATION, INC.

NPDES permit ME0036803 · Minor NON-POTW · effective, expires 2030-03-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

0values over a limit

0required values missing, on 0 form(s)

0of 11 forms filed late

Last period with anything received: 2026-07-31.

Reporting

Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Outfall 003, form A: every 1 month(s), 7 values

Limits in force (7)

Outfall	Parameter	Statistic	Limit	Months
003	pH	MINIMUM	>= 6 SU	all year
003	pH	MAXIMUM	<= 9 SU	all year
003	Solids, total suspended	DAILY MX	<= 50 mg/L	all year
003	Oil and grease, hexane extr method	DAILY MX	<= 15 mg/L	all year
003	Flow, in conduit or thru treatment plant	DAILY MX	<= .144 MGD	all year
003	Mercury, total [as Hg]	AVERAGE	<= 39.6 ng/L	all year
003	Mercury, total [as Hg]	DAILY MX	<= 59.5 ng/L	all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states