LINDE, INC

NPDES permit TX0088510 · Minor NON-POTW · administratively continued, expires 2026-09-03 · 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 2026-09-03 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

4values over a limit
0required values missing, on 0 form(s)
0of 25 forms filed late

Last period with anything received: 2026-08-31. Most often over: Enterococci (4).

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 (24)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitDAILY MX <= 105 deg F all year
001Oxygen, dissolved [DO]MO MIN >= 4 mg/L all year
001Oxygen demand, chem. [high level] [COD]DAILY AV <= 450 lb/d all year
001Oxygen demand, chem. [high level] [COD]DAILY MX <= 900 lb/d all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedDAILY AV <= 135 lb/d all year
001Solids, total suspendedDAILY MX <= 270 lb/d all year
001Oil & GreaseDAILY AV <= 13.4 lb/d all year
001Oil & GreaseDAILY MX <= 26.8 lb/d all year
001Nitrogen, ammonia total [as N]DAILY AV <= 14 lb/d all year
001Nitrogen, ammonia total [as N]DAILY MX <= 27 lb/d all year
001Flow [dry weather]DAILY AV <= .54 MGD all year
001Flow [dry weather]DAILY MX <= .75 MGD all year
001Cyanide, free availableDAILY AV report only all year
001Cyanide, free availableDAILY MX report only all year
001BOD, carbonaceous [5 day, 20 C]DAILY AV <= 45 lb/d all year
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 90 lb/d all year
101Flow, in conduit or thru treatment plantDAILY AV report only all year
101Flow, in conduit or thru treatment plantDAILY MX report only all year
101Chlorine, total residualMO MIN >= 1 mg/L all year
101Chlorine, total residualMO MAX <= 4 mg/L all year
101EnterococciDAILY AV <= 35 CFU/100mL all year
101EnterococciDAILY MX <= 130 CFU/100mL 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