METRO NORTH COMMUTER RR COMPANY

NPDES permit NY0006866 · Minor NON-POTW · effective, expires 2029-03-31 · 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)
19of 35 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 (22)

OutfallParameterStatisticLimitMonths
002Flow rateDAILY MX report only all year
002pHMINIMUM >= 6 SU all year
002pHMAXIMUM <= 9 SU all year
002Oil & GreaseDAILY MX <= 15 mg/L all year
002Copper, dissolved [as Cu]DAILY MX report only all year
002Copper, total [as Cu]DAILY MX <= 63 ug/L all year
002Lead, total [as Pb]DAILY MX <= 50 ug/L all year
002Zinc, total [as Zn]DAILY MX <= 100 ug/L all year
00248Hr Acute Mysidopsis BahiaMAXIMUM <= .3 tox acute (alert) all year
002TU 48Hr Acute Cyprinodon variegatusMAXIMUM <= .3 tox acute (alert) all year
002TU Static Renewal Chronic Cyprinodeon variegatusMAXIMUM <= 1 tox chronic (alert) all year
002TU Static Renewal 7-Day Chronic Americamysis bahia (formerly Mysidopsis bahia)MAXIMUM <= 1 tox chronic (alert) all year
004Flow rateDAILY AV report only all year
004Flow rateDAILY MX report only all year
004pHMINIMUM >= 6.5 SU all year
004pHMAXIMUM <= 8.5 SU all year
004Oil & GreaseDAILY MX <= 15 mg/L all year
005Flow rateDAILY AV report only all year
005Flow rateDAILY MX report only all year
005pHMINIMUM >= 6.5 SU all year
005pHMAXIMUM <= 8.5 SU all year
005Oil & GreaseDAILY MX <= 15 mg/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