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Linde, Inc

Industrial Gases, La Porte, Texas. NPDES permit TX0088510 expired Sep 3, 2026; its limits still apply. Last 12 months: over a limit 4 times (last April 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (17 values), outfall 001 form Y yearly (1 value), outfall 101 form A monthly (6 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
3 values over a limit, 0 required values missing, 0 of 25 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
March 2026Enterococci, daily average97.68 CFU/100mL≤ 35 CFU/100mL179%
March 2026Enterococci, daily maximum488.4 CFU/100mL≤ 130 CFU/100mL276%
April 2026Enterococci, daily average44.625 CFU/100mL≤ 35 CFU/100mL28%
April 2026Enterococci, daily maximum178.5 CFU/100mL≤ 130 CFU/100mL37%

Limits in force (24)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitdaily maximum≤ 105 deg Fall year001
Oxygen, dissolved [DO]monthly minimum≥ 4 mg/Lall year001
Oxygen demand, chem. [high level] [COD]daily average≤ 450 lb/dall year001
Oxygen demand, chem. [high level] [COD]daily maximum≤ 900 lb/dall year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendeddaily average≤ 135 lb/dall year001
Solids, total suspendeddaily maximum≤ 270 lb/dall year001
Oil & Greasedaily average≤ 13.4 lb/dall year001
Oil & Greasedaily maximum≤ 26.8 lb/dall year001
Nitrogen, ammonia total [as N]daily average≤ 14 lb/dall year001
Nitrogen, ammonia total [as N]daily maximum≤ 27 lb/dall year001
Flow [dry weather]daily average≤ .54 MGDall year001
Flow [dry weather]daily maximum≤ .75 MGDall year001
Cyanide, free availabledaily averagereport only (mg/L)all year001
Cyanide, free availabledaily maximumreport only (mg/L)all year001
BOD, carbonaceous [5 day, 20 C]daily average≤ 45 lb/dall year001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 90 lb/dall year001
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year101
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year101
Chlorine, total residualmonthly minimum≥ 1 mg/Lall year101
Chlorine, total residualmonthly maximum≤ 4 mg/Lall year101
Enterococcidaily average≤ 35 CFU/100mLall year101
Enterococcidaily maximum≤ 130 CFU/100mLall year101

How strict are these limits?

Cited limits by parameter: Texas's rules and the federal ones.

Same industry: the 165 Chemicals and Allied Products permits in Texas.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/TX0088510 · MCP: https://passage-data.com/mcp