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Exxon Port Allen Lube Plant

Lubricating Oils And Greases, Port Allen, Louisiana. NPDES permit LA0085821, in force until Dec 31, 2028. Last 12 months: no values over a limit, 3 of 8 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form Q quarterly (6 values), outfall 101 form Q quarterly (10 values), outfall 201 form S twice a year
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 4 required values missing, 0 of 10 reports late

Limits in force (29)

ParameterStatisticLimitMonthsOutfall
pHinstantaneous minimum≥ 6 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
Oil & Greasedaily maximum≤ 15 mg/Lall year001
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year001
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/d)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/d)all year001
pHminimum≥ 6 SUall year101
pHmaximum≤ 9 SUall year101
Solids, total suspendeddaily maximum≤ 90 mg/Lall year101
Solids, total suspendeddaily maximum≤ 90 mg/Lall year101
Oil & Greasedaily maximum≤ 15 mg/Lall year101
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year101
Lead, total [as Pb]daily maximum≤ 50 ug/Lall year101
Benzenedaily maximum≤ 50 ug/Lall year101
BTEXdaily maximum≤ 250 ug/Lall year101
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year101
Solids, total suspendedmonthly average≤ 30 mg/Lall year201
Solids, total suspendeddaily maximum≤ 45 mg/Lall year201
Nitrogen, total [as N]monthly averagereport only (mg/L)all year201
Nitrogen, total [as N]daily maximumreport only (mg/L)all year201
Nitrogen, ammonia total [as N]daily maximum≤ 15 mg/Lall year201
Phosphorus, total [as P]monthly averagereport only (mg/L)all year201
Phosphorus, total [as P]daily maximumreport only (mg/L)all year201
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/d)all year201
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/d)all year201
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year201
Coliform, fecal generaldaily maximum≤ 400 #/100mLall year201
BOD, carbonaceous [5 day, 20 C]monthly average≤ 30 mg/Lall year201
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 45 mg/Lall year201

How strict are these limits?

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

Same industry: the 26 Petroleum Refining and Related Industries permits in Louisiana.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/LA0085821 · MCP: https://passage-data.com/mcp