Enterprise Products Operating LLC — NPDES permit TX0106721: limits, due date and EPA's record

Marine Cargo Handling, major discharger, Morgans Point, Texas. NPDES permit TX0106721, in force until Sep 16, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Limits in force (22)

Parameter	Statistic	Limit	Months	Outfall
pH	minimum	≥ 6 SU	all year	002
pH	maximum	≤ 9 SU	all year	002
Solids, total suspended	daily average	≤ 30 mg/L	all year	002
Solids, total suspended	daily maximum	≤ 100 mg/L	all year	002
Oil & Grease	daily maximum	≤ 15 mg/L	all year	002
Carbon, tot organic [TOC]	daily maximum	≤ 75 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
Temperature, water deg. fahrenheit	daily average	report only (deg F)	all year	003
Temperature, water deg. fahrenheit	daily maximum	report only (deg F)	all year	003
pH	minimum	≥ 6 SU	all year	003
pH	maximum	≤ 9 SU	all year	003
Oil & Grease	daily maximum	≤ 15 mg/L	all year	003
Carbon, tot organic [TOC]	daily maximum	≤ 75 mg/L	all year	003
Flow, in conduit or thru treatment plant	daily average	report only (MGD)	all year	003
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	003
Flow [dry weather]	daily average	≤ .36 MGD	all year	003
Flow [dry weather]	daily maximum	≤ .6 MGD	all year	003
Solids, total suspended	daily average	≤ 30 mg/L	all year	103
Solids, total suspended	daily maximum	≤ 100 mg/L	all year	103
Flow, in conduit or thru treatment plant	daily average	report only (MGD)	all year	103
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	103

How strict are these limits?

Your permit document is the final word. As JSON: /api/v1/permits/TX0106721 · MCP: https://passage-data.com/mcp