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South Coast Terminals LLC

Petroleum Bulk Stations & Terminals, Houston, Texas. NPDES permit TX0106208, in force until Jan 10, 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 (9 values)
Last report on file: August 2026
Oct 2024 – Sep 2025: 0 values over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (9)

Parameter	Statistic	Limit	Months
pH	minimum	≥ 6 SU	all year
pH	maximum	≤ 9 SU	all year
Oil & Grease	daily maximum	≤ 15 mg/L	all year
Carbon, tot organic [TOC]	daily maximum	≤ 75 mg/L	all year
Benzene, ethylbenzene, toluene, xylene combination	daily maximum	≤ .5 mg/L	all year
Flow, in conduit or thru treatment plant	daily average	report only (MGD)	all year
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year
Mercury, total [as Hg]	daily average	report only (mg/L)	all year
Mercury, total [as Hg]	daily maximum	report only (mg/L)	all year

New limits from Feb 1, 2027

Parameter	New limit	New or tighter	Median, last 12 months	× new limit
Mercury, total [as Hg], daily average	0.000854 mg/L	new	0.00000224 mg/L (8 values)	0.00262×
Mercury, total [as Hg], daily maximum	0.0018 mg/L	new	0.00000224 mg/L (8 values)	0.00124×

How strict are these limits?

Benzene, ethylbenzene, toluene, xylene combination, daily maximum .5 mg/L — stricter than 38% of 52 other minor industrial and other permits nationwide; 17% have the same limit
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/TX0106208 · MCP: https://passage-data.com/mcp