Intercontinental Terminals Company LLC — NPDES permit TX0135593: limits, due date and EPA's record

Special Warehousing And Storage, Pasadena, Texas. NPDES permit TX0135593, in force until Jan 25, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Limits in force (31)

Parameter	Statistic	Limit	Months	Outfall
Oxygen demand, chem. [high level] [COD]	daily maximum	≤ 150 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
Carbon, tot organic [TOC]	daily average	≤ 22 mg/L	all year	001
Carbon, tot organic [TOC]	daily maximum	≤ 55 mg/L	all year	001
Cyanide, free [as free]	daily maximum	≤ .018 mg/L	all year	001
Arsenic, total [as As]	daily maximum	≤ .494 mg/L	all year	001
Chromium, hexavalent [as Cr]	daily maximum	≤ 1.17 mg/L	all year	001
Lead, total [as Pb]	daily maximum	≤ .1 mg/L	all year	001
Nickel, total [as Ni]	daily average	≤ .185 mg/L	all year	001
Nickel, total [as Ni]	daily maximum	≤ .392 mg/L	all year	001
Silver, total [as Ag]	daily maximum	≤ .015 mg/L	all year	001
Selenium, total [as Se]	daily maximum	≤ 1.87 mg/L	all year	001
Benzene, ethylbenzene, toluene, xylene combination	daily maximum	≤ .5 mg/L	all year	001
Benzene	daily maximum	≤ .05 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 [dry weather]	daily average	≤ .3 MGD	all year	001
Flow [dry weather]	daily maximum	≤ .75 MGD	all year	001
Hydrocarbons, total petroleum	daily maximum	≤ 15 mg/L	all year	001
Oxygen demand, chem. [high level] [COD]	daily maximum	≤ 150 mg/L	all year	002
pH	minimum	≥ 6 SU	all year	002
pH	maximum	≤ 9 SU	all year	002
Oil & Grease	daily maximum	≤ 15 mg/L	all year	002
Lead, total [as Pb]	daily maximum	≤ .1 mg/L	all year	002
Benzene, ethylbenzene, toluene, xylene combination	daily maximum	≤ .5 mg/L	all year	002
Benzene	daily maximum	≤ .05 mg/L	all year	002
Flow, in conduit or thru treatment plant	daily average	report only (MGD)	all year	002
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	002
Hydrocarbons, total petroleum	daily maximum	≤ 15 mg/L	all year	002

New limits from Feb 1, 2027

Parameter	New limit	New or tighter	Median, last 12 months	× new limit
Nickel, total [as Ni], daily average	0.146 mg/L	tighter	0 mg/L (5 values)	0×
Nickel, total [as Ni], daily maximum	0.31 mg/L	tighter	0 mg/L (5 values)	0×

How strict are these limits?

Your permit document is the final word. As JSON: /api/v1/permits/TX0135593 · MCP: https://passage-data.com/mcp