AIR LIQUIDE LARGE INDUSTRIES US LP

NPDES permit TX0086398 · Minor NON-POTW · administratively continued, expires 2025-02-11 · 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.

This permit expired on 2025-02-11 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

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

Limits in force (15)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitDAILY MX <= 100 deg F all year
001Oxygen demand, chem. [high level] [COD]DAILY AV <= 70.9 lb/d all year
001Oxygen demand, chem. [high level] [COD]DAILY MX <= 141.9 lb/d all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedDAILY AV <= 21.3 lb/d all year
001Solids, total suspendedDAILY MX <= 42.6 lb/d all year
001Oil & GreaseDAILY AV <= 3.91 lb/d all year
001Oil & GreaseDAILY MX <= 7.83 lb/d all year
001Arsenic, total [as As]DAILY AV report only all year
001Arsenic, total [as As]DAILY MX report only all year
001Copper, total [as Cu]DAILY AV <= .076 lb/d all year
001Copper, total [as Cu]DAILY MX <= .162 lb/d all year
001Flow, in conduit or thru treatment plantDAILY AV <= .13 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX <= .17 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