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Gulf Sulphur Services LTD, LLLP

Coal And Other Minerals And Ores, Galveston, Texas. NPDES permit TX0003867, in force until May 17, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (11 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 1 of 12 reports late

Limits in force (11)

ParameterStatisticLimitMonths
Oxygen demand, chem. [high level] [COD]daily average≤ 75 mg/Lall year
Oxygen demand, chem. [high level] [COD]daily maximum≤ 125 mg/Lall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendeddaily average≤ 30 mg/Lall year
Solids, total suspendeddaily maximum≤ 60 mg/Lall year
Oil & Greasedaily maximum≤ 15 mg/Lall year
Copper, total [as Cu]daily average≤ .017 mg/Lall year
Copper, total [as Cu]daily maximum≤ .036 mg/Lall year
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year

How strict are these limits?

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

Same industry: the 8 Wholesale Trade — Durable Goods permits in Texas.

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/TX0003867 · MCP: https://passage-data.com/mcp