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Air Products Industrial Gas LLC

Nitrogenous Fertilizers, City Of Texas City, Texas. NPDES permit TX0137839, in force until Nov 25, 2029. Last 12 months: over a limit 4 times (last May 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (10 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
3 values over a limit, 0 required values missing, 0 of 12 reports late

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

Period endingParameterReportedLimitOver by
October 2025pH, maximum9.2 SU≤ 9 SU—
November 2025Solids, total suspended, daily average40.43 mg/L≤ 30 mg/L35%
November 2025Solids, total suspended, daily maximum118 mg/L≤ 100 mg/L18%
May 2026Solids, total suspended, daily average127 mg/L≤ 30 mg/L323%

Limits in force (10)

ParameterStatisticLimitMonths
Oxygen demand, chem. [high level] [COD]daily average≤ 100 mg/Lall year
Oxygen demand, chem. [high level] [COD]daily maximum≤ 200 mg/Lall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendeddaily average≤ 30 mg/Lall year
Solids, total suspendeddaily maximum≤ 100 mg/Lall year
Oil & Greasedaily average≤ 15 mg/Lall year
Oil & Greasedaily maximum≤ 20 mg/Lall year
Flow, in conduit or thru treatment plantdaily average≤ 2.2 MGDall year
Flow, in conduit or thru treatment plantdaily maximum≤ 2.2 MGDall year

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/TX0137839 · MCP: https://passage-data.com/mcp