AIR LIQUIDE LARGE INDUSTRIES US LP

NPDES permit TX0102296 · Minor NON-POTW · administratively continued, expires 2024-12-06 · EPA's file as of 2026-09-19

Check this month's numbers before you file

This permit expired on 2024-12-06 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 48 forms filed late

Last period with anything received: 2026-08-31.

Reporting

Reports are due about 20 days after each monitoring period ends (the most common figure among TX permits in EPA's filings — check your permit).

Limits in force (36)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitDAILY AV report only all year
001Temperature, water deg. fahrenheitDAILY MX report only all year
001Oxygen demand, chem. [high level] [COD]DAILY AV <= 150 mg/L all year
001Oxygen demand, chem. [high level] [COD]DAILY MX <= 200 mg/L all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedDAILY AV <= 30 mg/L all year
001Solids, total suspendedDAILY MX <= 100 mg/L all year
001Oil & GreaseDAILY AV <= 15 mg/L all year
001Oil & GreaseDAILY MX <= 20 mg/L all year
001Chromium, hexavalent [as Cr]DAILY AV <= .014 mg/L all year
001Chromium, hexavalent [as Cr]DAILY MX <= .029 mg/L all year
001Copper, total [as Cu]DAILY AV <= .0062 mg/L all year
001Copper, total [as Cu]DAILY MX <= .0131 mg/L all year
001Zinc, total [as Zn]DAILY AV <= .0814 mg/L all year
001Zinc, total [as Zn]DAILY MX <= .172 mg/L all year
001Flow, in conduit or thru treatment plantDAILY AV <= .072 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
002Oxygen demand, chem. [high level] [COD]DAILY MX <= 200 mg/L all year
002pHMINIMUM >= 6 SU all year
002pHMAXIMUM <= 9 SU all year
002Oil & GreaseDAILY MX <= 15 mg/L all year
002Flow, in conduit or thru treatment plantDAILY AV report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
003Oxygen demand, chem. [high level] [COD]DAILY MX <= 200 mg/L all year
003pHMINIMUM >= 6 SU all year
003pHMAXIMUM <= 9 SU all year
003Oil & GreaseDAILY MX <= 15 mg/L all year
003Flow, in conduit or thru treatment plantDAILY AV report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
004Oxygen demand, chem. [high level] [COD]DAILY MX <= 200 mg/L all year
004pHMINIMUM >= 6 SU all year
004pHMAXIMUM <= 9 SU all year
004Oil & GreaseDAILY MX <= 15 mg/L all year
004Flow, in conduit or thru treatment plantDAILY AV report only all year
004Flow, in conduit or thru treatment plantDAILY MX report only 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