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Linde Inc

Industrial Gases, Freeport, Texas. NPDES permit TX0136671, in force until May 9, 2030. Last 12 months: over a limit once (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (4 values), outfall 101 form A monthly (10 values), outfall 201 form A monthly (6 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 6 of 36 reports late

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

Period endingParameterReportedLimitOver by
June 2026Flow [dry weather], daily maximum.9678 MGD≤ .25 MGD287%

Limits in force (20)

ParameterStatisticLimitMonthsOutfall
Copper, total [as Cu]daily averagereport only (mg/L)all year001
Copper, total [as Cu]daily maximumreport only (mg/L)all year001
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
pHminimum≥ 6 SUall year101
pHmaximum≤ 9 SUall year101
Solids, total suspendeddaily average≤ 50 mg/Lall year101
Solids, total suspendeddaily maximumreport only (mg/L)all year101
Oil & Greasedaily average≤ 10 mg/Lall year101
Oil & Greasedaily maximumreport only (mg/L)all year101
Chlorine, total residualdaily average≤ .2 mg/Lall year101
Chlorine, total residualdaily maximum≤ .5 mg/Lall year101
Flow [dry weather]daily average≤ .2 MGDall year101
Flow [dry weather]daily maximum≤ .25 MGDall year101
pHminimum≥ 6 SUall year201
pHmaximum≤ 9 SUall year201
Oil & Greasedaily average≤ 39.43 mg/Lall year201
Oil & Greasedaily maximum≤ 54.71 mg/Lall year201
Flow [dry weather]daily average≤ .32 MGDall year201
Flow [dry weather]daily maximum≤ .4 MGDall year201

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/TX0136671 · MCP: https://passage-data.com/mcp