METRO-NORTH COMMUTER RAILROAD COMPANY

NPDES permit NY0075078 · Minor NON-POTW · effective, expires 2031-02-28 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

0values over a limit
0required values missing, on 0 form(s)
13of 17 forms filed late

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

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 (15)

OutfallParameterStatisticLimitMonths
005Flow rateDAILY MX report only all year
005pHMINIMUM >= 6 SU all year
005pHMAXIMUM <= 9 SU all year
005Solids, settleableDAILY MX <= .3 mL/L all year
005Oil & GreaseDAILY MX <= 15 mg/L all year
005Phosphorus, total [as P]DAILY MX <= .25 mg/L (alert) all year
005Cadmium, total [as Cd]DAILY MX <= .007 mg/L (alert) all year
005Chromium, total [as Cr]DAILY MX <= .015 mg/L (alert) all year
005Lead, total [as Pb]DAILY MX <= .03 mg/L (alert) all year
005Zinc, total [as Zn]DAILY MX <= .13 mg/L (alert) all year
005TolueneDAILY MX <= .03 mg/L (alert) all year
005BenzeneDAILY MX <= 15 ug/L all year
005EthylbenzeneDAILY MX <= .05 mg/L (alert) all year
005Surfactants [MBAS]DAILY MX <= .85 mg/L (alert) all year
005Xylene [mix of m+o+p]DAILY MX <= .04 mg/L (alert) 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