Enterprise Products Operating LLC - Baton Rouge Fractionator & Propylene Concent — NPDES permit LA0105538: limits, due date and EPA's record

Natural Gas Liquids, Port Allen, Louisiana. NPDES permit LA0105538, in force until Oct 31, 2030. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Limits in force (37)

Parameter	Statistic	Limit	Months	Outfall
Temperature, water deg. fahrenheit	monthly average	report only (deg F)	all year	001
Temperature, water deg. fahrenheit	instantaneous maximum	report only (deg F)	all year	001
pH	instantaneous minimum	≥ 6 SU	all year	001
pH	instantaneous maximum	≤ 9 SU	all year	001
Oil & Grease	daily maximum	≤ 15 mg/L	all year	001
Carbon, tot organic [TOC]	daily maximum	≤ 50 mg/L	all year	001
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	001
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	001
Chlorine, total residual	daily maximum	≤ .2 mg/L	all year	001
Solids, total dissolved	daily maximum	≤ 1500 mg/L	all year	001
Temperature, water deg. fahrenheit	monthly average	report only (deg F)	all year	002
Temperature, water deg. fahrenheit	instantaneous maximum	report only (deg F)	all year	002
pH	instantaneous minimum	≥ 6 SU	all year	002
pH	instantaneous maximum	≤ 9 SU	all year	002
Oil & Grease	daily maximum	≤ 15 mg/L	all year	002
Carbon, tot organic [TOC]	daily maximum	≤ 50 mg/L	all year	002
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	002
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	002
Chlorine, total residual	daily maximum	≤ .2 mg/L	all year	002
Solids, total dissolved	daily maximum	≤ 1500 mg/L	all year	002
BOD, 5-day, 20 deg. C	monthly average	≤ 31 mg/L	all year	202
BOD, 5-day, 20 deg. C	daily maximum	≤ 84 mg/L	all year	202
Solids, total suspended	monthly average	≤ 47 mg/L	all year	202
Solids, total suspended	daily maximum	≤ 152 mg/L	all year	202
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	202
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	202
pH	instantaneous minimum	≥ 6 SU	all year	401
pH	instantaneous maximum	≤ 9 SU	all year	401
Solids, total suspended	daily maximum	≤ 90 mg/L	all year	401
Solids, total suspended	daily maximum	≤ 90 mg/L	all year	401
Oil & Grease	daily maximum	≤ 15 mg/L	all year	401
Carbon, tot organic [TOC]	daily maximum	≤ 50 mg/L	all year	401
Lead, total [as Pb]	daily maximum	≤ 50 ug/L	all year	401
Benzene	daily maximum	≤ 50 ug/L	all year	401
BTEX	daily maximum	≤ 250 ug/L	all year	401
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	401
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	401

How strict are these limits?

Your permit document is the final word. As JSON: /api/v1/permits/LA0105538 · MCP: https://passage-data.com/mcp