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GT Logistics LLC

Petroleum Bulk Stations & Terminals, City Of Port Arthur, Texas. NPDES permit TX0144576, in force until Dec 8, 2028. Last 12 months: over a limit 3 times (last April 2026), 2 of 24 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 20 days after each period: outfall 001 form A monthly (10 values), outfall 101 form A monthly (2 values)
Last report on file: September 2026
Oct 2024 – Sep 2025: 0 values over a limit, 0 required values missing, 0 of 24 reports late

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

Period ending	Parameter	Reported	Limit	Over by
February 2026	Oxygen demand, chem. [high level] [COD], daily maximum	228 mg/L	≤ 200 mg/L	14%
April 2026	Oxygen demand, chem. [high level] [COD], daily maximum	222 mg/L	≤ 200 mg/L	11%
April 2026	pH, minimum	5.4 SU	≥ 6 SU	—

Limits in force (12)

Parameter	Statistic	Limit	Months	Outfall
Oxygen demand, chem. [high level] [COD]	daily maximum	≤ 200 mg/L	all year	001
pH	minimum	≥ 6 SU	all year	001
pH	maximum	≤ 9 SU	all year	001
Oil & Grease	daily maximum	≤ 15 mg/L	all year	001
Copper, total [as Cu]	daily average	≤ .0243 mg/L	all year	001
Copper, total [as Cu]	daily maximum	≤ .0514 mg/L	all year	001
Zinc, total [as Zn]	daily average	report only (mg/L)	all year	001
Zinc, total [as Zn]	daily maximum	report only (mg/L)	all year	001
Flow, in conduit or thru treatment plant	daily average	report only (MGD)	all year	001
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	001
Flow, in conduit or thru treatment plant	daily average	≤ .0144 MGD	all year	101
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	101

How strict are these limits?

Copper, total [as Cu], daily average .0243 mg/L — stricter than 58% of 67 other minor industrial and other permits in Texas
Copper, total [as Cu], daily maximum .0514 mg/L — stricter than 56% of 81 other minor industrial and other permits in Texas
Oil & Grease, daily maximum 15 mg/L — stricter than 21% of 265 other minor industrial and other permits in Texas; 78% have the same limit

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

Same industry: the 20 Wholesale Trade — Nondurable Goods 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/TX0144576 · MCP: https://passage-data.com/mcp