AIR LIQUID LARGE INDUSTRIES US LP

NPDES permit TX0007277 · Minor NON-POTW · effective, expires 2027-02-10 · 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

1values over a limit
0required values missing, on 0 form(s)
1of 11 forms filed late

Last period with anything received: 2026-07-31. Most often over: Flow, in conduit or thru treatment plant (1).

Reporting

Reports are due about 20 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (10)

OutfallParameterStatisticLimitMonths
002Oxygen demand, chem. [high level] [COD]DAILY AV <= 219 lb/d all year
002Oxygen demand, chem. [high level] [COD]DAILY MX <= 438 lb/d all year
002pHMINIMUM >= 6 SU all year
002pHMAXIMUM <= 9 SU all year
002Solids, total suspendedDAILY AV <= 44 lb/d all year
002Solids, total suspendedDAILY MX <= 88 lb/d all year
002Oil & GreaseDAILY AV <= 6.8 lb/d all year
002Oil & GreaseDAILY MX <= 13.6 lb/d all year
002Flow, in conduit or thru treatment plantDAILY AV <= .175 MGD all year
002Flow, in conduit or thru treatment plantDAILY MX <= .25 MGD 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