EXXON CO USA-BATON ROUGE REFINERY

NPDES permit LA0005584 · Major NON-POTW · effective, expires 2029-10-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
0required values missing, on 0 form(s)
2of 72 forms filed late

Last period with anything received: 2026-07-31.

Reporting

Reports are due about 25 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (73)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. CMO AVG <= 7110 lb/d all year
001BOD, 5-day, 20 deg. CDAILY MX <= 13334 lb/d all year
001Oxygen demand, chem. [high level] [COD]MO AVG <= 48763 lb/d all year
001Oxygen demand, chem. [high level] [COD]DAILY MX <= 95039 lb/d all year
001pHMINIMUM report only all year
001pHMAXIMUM report only all year
001Solids, total suspendedMO AVG <= 5851 lb/d all year
001Solids, total suspendedDAILY MX <= 9184 lb/d all year
001Oil & GreaseMO AVG <= 2223 lb/d all year
001Oil & GreaseDAILY MX <= 4184 lb/d all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]DAILY MX report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 2363 lb/d all year
001Nitrogen, ammonia total [as N]DAILY MX <= 5161 lb/d all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Sulfide, total [as S]MO AVG <= 34.8 lb/d all year
001Sulfide, total [as S]DAILY MX <= 77.1 lb/d all year
001Chromium, hexavalent [as Cr]MO AVG <= 5.8 lb/d all year
001Chromium, hexavalent [as Cr]DAILY MX <= 12.9 lb/d all year
001Chromium, total [as Cr]MO AVG <= 66.5 lb/d all year
001Chromium, total [as Cr]DAILY MX <= 191.1 lb/d all year
001Phenolics, total recoverableMO AVG <= 47.2 lb/d all year
001Phenolics, total recoverableDAILY MX <= 97.1 lb/d all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001pH range excursions, > 60 minutesET <= 0 occur/mo all year
001pH range excursions, monthly total accumMO TOTAL <= 446 min all year
001Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulexMO AV MN report only all year
001Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex48HR MIN report only all year
001LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelasMO AV MN report only all year
001LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas48HR MIN report only all year
001NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulexMO AV MN report only all year
001NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex48HR MIN report only all year
001NOAEC Lethal Static Renewal 48Hr acute Pimephales promelasMO AV MN report only all year
001NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas48HR MIN report only all year
001Coef Of Var Static Renewal 48Hr Acute D. pulexMAXIMUM report only all year
001Coef Of Var Static Renewal 48Hr Acute Pimephales promelasMAXIMUM report only all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
003pHINST MIN >= 6 SU all year
003pHINST MAX <= 9 SU all year
003Oil & GreaseDAILY MX <= 15 mg/L all year
003Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
003Copper, total [as Cu]MO AVG report only all year
003Copper, total [as Cu]DAILY MX report only all year
003Lead, total [as Pb]MO AVG report only all year
003Lead, total [as Pb]DAILY MX report only all year
003Zinc, total [as Zn]MO AVG report only all year
003Zinc, total [as Zn]DAILY MX report only all year
003Flow, in conduit or thru treatment plantMO AVG report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
004pHINST MIN >= 6 SU all year
004pHINST MAX <= 9 SU all year
004Oil & GreaseDAILY MX <= 15 mg/L all year
004Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
004Flow, in conduit or thru treatment plantMO AVG report only all year
004Flow, in conduit or thru treatment plantDAILY MX report only all year
103pHINST MIN >= 6 SU all year
103pHINST MAX <= 9 SU all year
103Solids, total suspendedDAILY MX <= 90 mg/L all year
103Solids, total suspendedDAILY MX <= 90 mg/L all year
103Oil & GreaseDAILY MX <= 15 mg/L all year
103Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
103Lead, total [as Pb]DAILY MX <= 50 ug/L all year
103BenzeneDAILY MX <= 50 ug/L all year
103BTEXDAILY MX <= 250 ug/L all year
103Flow, in conduit or thru treatment plantMO AVG report only all year
103Flow, in conduit or thru treatment plantDAILY MX report only all year
IT01Flow, in conduit or thru treatment plantMO AVG report only all year
IT01Flow, in conduit or thru treatment plantDAILY MX report only all year
IT02Flow, in conduit or thru treatment plantMO AVG report only all year
IT02Flow, in conduit or thru treatment plantDAILY MX report only all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states