Passage Data · Check a report · Use it from your AI

Explorer Pipeline Company

Refined Petroleum Pipelines, Houston, Texas. NPDES permit TX0133141, in force until Jul 21, 2028. 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)
Renewal application due: Jan 23, 2028 · 180 days before expiry; your permit may set another date
Last report on file: August 2026
Oct 2024 – Sep 2025: 0 values over a limit, 0 required values missing, 2 of 12 reports late

Limits in force (9)

Parameter	Statistic	Limit	Months
Oxygen demand, chem. [high level] [COD]	daily maximum	≤ 150 mg/L	all year
pH	minimum	≥ 6 SU	all year
pH	maximum	≤ 9 SU	all year
Oil & Grease	daily maximum	≤ 15 mg/L	all year
Benzene, ethylbenzene, toluene, xylene combination	daily maximum	≤ .5 mg/L	all year
Benzene	daily maximum	≤ .05 mg/L	all year
Flow, in conduit or thru treatment plant	daily average	≤ .043 MGD	all year
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year
Hydrocarbons, total petroleum	daily maximum	≤ 15 mg/L	all year

How strict are these limits?

Oxygen demand, chem. [high level] [COD], daily maximum 150 mg/L — stricter than 55% of 113 other minor industrial and other permits in Texas; 35% have the same limit
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
Benzene, daily maximum .05 mg/L — stricter than 38% of 26 other minor industrial and other permits in Texas; 31% have the same limit

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

Same industry: the 4 Pipelines, Except Natural Gas permits in Texas.

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

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/TX0133141 · MCP: https://passage-data.com/mcp