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Linde Inc

Industrial Gases, Port Arthur, Texas. NPDES permit TX0125831, in force until Oct 25, 2029. Last 12 months: over a limit 2 times (last July 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 21 days after each period: form A monthly (12 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 6 required values missing, 2 of 12 reports late

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

Period endingParameterReportedLimitOver by
July 2026Flow, in conduit or thru treatment plant, daily average.4094 MGD≤ .133 MGD208%
July 2026Flow, in conduit or thru treatment plant, daily maximum.5805 MGD≤ .204 MGD185%

Limits in force (12)

ParameterStatisticLimitMonths
BOD, 5-day, 20 deg. Cdaily averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Oil & Greasedaily average≤ 15 mg/Lall year
Oil & Greasedaily maximum≤ 20 mg/Lall year
Nitrogen, ammonia total [as N]daily averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year
Carbon, tot organic [TOC]daily average≤ 55 mg/Lall year
Carbon, tot organic [TOC]daily maximumreport only (mg/L)all year
Flow, in conduit or thru treatment plantdaily average≤ .133 MGDall year
Flow, in conduit or thru treatment plantdaily maximum≤ .204 MGDall year

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/TX0125831 · MCP: https://passage-data.com/mcp