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Equilon Enterprises LLC- St. Rose Facility

Petroleum Refining, St. Rose, Louisiana. NPDES permit LA0054216, in force until Mar 31, 2029. Last 12 months: no values over a limit, 4 required values missing, 1 of 21 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 29 days after each period: outfall 001 form A quarterly (20 values), outfall 001 form Q quarterly (4 values), outfall 002 form Q quarterly (6 values), outfall 001 form DA yearly, outfall 001 form PI yearly, outfall 001 form S twice a year, and 1 more form
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 8 required values missing, 2 of 26 reports late

Limits in force (60)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cmonthly average≤ 106 lb/dall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 202 lb/dall year001
Oxygen demand, chem. [high level] [COD]monthly average≤ 545 lb/dall year001
Oxygen demand, chem. [high level] [COD]daily maximum≤ 1058 lb/dall year001
pHinstantaneous minimumreport only (SU)all year001
pHinstantaneous maximumreport only (SU)all year001
Solids, total suspendedmonthly average≤ 91 lb/dall year001
Solids, total suspendeddaily maximum≤ 144 lb/dall year001
Oil & Greasemonthly average≤ 34 lb/dall year001
Oil & Greasedaily maximum≤ 62 lb/dall year001
Nitrogen, total [as N]monthly averagereport only (lb/d)all year001
Nitrogen, total [as N]daily maximumreport only (lb/d)all year001
Nitrogen, ammonia total [as N]monthly average≤ 21 lb/dall year001
Nitrogen, ammonia total [as N]daily maximum≤ 46 lb/dall year001
Phosphorus, total [as P]monthly averagereport only (lb/d)all year001
Phosphorus, total [as P]daily maximumreport only (lb/d)all year001
Sulfide, total [as S]monthly average≤ .56 lb/dall year001
Sulfide, total [as S]daily maximum≤ 1.25 lb/dall year001
Chromium, hexavalent [as Cr]monthly average≤ .12 lb/dall year001
Chromium, hexavalent [as Cr]daily maximum≤ .25 lb/dall year001
Chromium, total [as Cr]monthly average≤ 1.75 lb/dall year001
Chromium, total [as Cr]daily maximum≤ 3.05 lb/dall year001
Whole effluent toxicity - retest #148-hour minimumreport only (pass=0;fail=1)all year001
Whole effluent toxicity - retest #148-hour minimumreport only (pass=0;fail=1)all year001
Whole effluent toxicity - retest #1monthly average minimumreport only (pass=0;fail=1)all year001
Whole effluent toxicity - retest #1monthly average minimumreport only (pass=0;fail=1)all year001
Whole effluent toxicity - retest #248-hour minimumreport only (pass=0;fail=1)all year001
Whole effluent toxicity - retest #248-hour minimumreport only (pass=0;fail=1)all year001
Whole effluent toxicity - retest #2monthly average minimumreport only (pass=0;fail=1)all year001
Whole effluent toxicity - retest #2monthly average minimumreport only (pass=0;fail=1)all year001
Phenolics, total recoverablemonthly average≤ .77 lb/dall year001
Phenolics, total recoverabledaily maximum≤ 1.49 lb/dall year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Whole Effluent Toxicity - Retest #348-hour minimumreport only (pass=0;fail=1)all year001
Whole Effluent Toxicity - Retest #348-hour minimumreport only (pass=0;fail=1)all year001
Whole Effluent Toxicity - Retest #3monthly average minimumreport only (pass=0;fail=1)all year001
Whole Effluent Toxicity - Retest #3monthly average minimumreport only (pass=0;fail=1)all year001
pH range excursions, > 60 minutesmonthly total≤ 0 occur/moall year001
pH range excursions, monthly total accummonthly total≤ 446 minall year001
Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex48-hour minimumreport only (pass=0;fail=1)all year001
Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulexmonthly average minimumreport only (pass=0;fail=1)all year001
LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas48-hour minimumreport only (pass=0;fail=1)all year001
LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelasmonthly average minimumreport only (pass=0;fail=1)all year001
NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex48-hour minimumreport only (%)all year001
NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulexmonthly average minimumreport only (%)all year001
NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas48-hour minimumreport only (%)all year001
NOAEC Lethal Static Renewal 48Hr acute Pimephales promelasmonthly average minimumreport only (%)all year001
Coef Of Var Static Renewal 48Hr Acute D. pulexmaximumreport only (%)all year001
Coef Of Var Static Renewal 48Hr Acute Pimephales promelasmaximumreport only (%)all year001
pHinstantaneous minimum≥ 6 SUall year002
pHinstantaneous maximum≤ 9 SUall year002
Oil & Greasedaily maximum≤ 15 mg/Lall year002
Nitrogen, total [as N]monthly averagereport only (mg/L)all year002
Nitrogen, total [as N]daily maximumreport only (mg/L)all year002
Phosphorus, total [as P]monthly averagereport only (mg/L)all year002
Phosphorus, total [as P]daily maximumreport only (mg/L)all year002
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002

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/LA0054216 · MCP: https://passage-data.com/mcp