Valero Refining- Meraux LLC

NPDES permit LA0003646 · Major NON-POTW · administratively continued, expires 2024-05-31 · 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.

This permit expired on 2024-05-31 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

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

3values over a limit
0required values missing, on 0 form(s)
0of 109 forms filed late

Last period with anything received: 2026-08-31. Most often over: Sulfide, total [as S] (2), Solids, total suspended (1).

Reporting

Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (141)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitMO AVG report only all year
001Temperature, water deg. fahrenheitDAILY MX <= 120 deg F all year
001pHMINIMUM report only all year
001pHMAXIMUM report only all year
001Carbon, tot organic [TOC]DAILY MX <= 5 mg/L 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 minutesMO TOTAL <= 0 occur/mo all year
001pH range excursions, monthly total accumMO TOTAL <= 446 min all year
002pHMINIMUM report only all year
002pHMAXIMUM report only all year
002Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
002Whole effluent toxicity - retest #1MO AV MN report only all year
002Whole effluent toxicity - retest #1MO AV MN report only all year
002Whole effluent toxicity - retest #148HR MIN report only all year
002Whole effluent toxicity - retest #148HR MIN report only all year
002Whole effluent toxicity - retest #2MO AV MN report only all year
002Whole effluent toxicity - retest #2MO AV MN report only all year
002Whole effluent toxicity - retest #248HR MIN report only all year
002Whole effluent toxicity - retest #248HR MIN 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
002Whole Effluent Toxicity - Retest #3MO AV MN report only all year
002Whole Effluent Toxicity - Retest #3MO AV MN report only all year
002Whole Effluent Toxicity - Retest #348HR MIN report only all year
002Whole Effluent Toxicity - Retest #348HR MIN report only all year
002pH range excursions, > 60 minutesMO TOTAL <= 0 occur/mo all year
002pH range excursions, monthly total accumMO TOTAL <= 446 min all year
002Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulexMO AV MN report only all year
002Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex48HR MIN report only all year
002LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelasMO AV MN report only all year
002LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas48HR MIN report only all year
002NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulexMO AV MN report only all year
002NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex48HR MIN report only all year
002NOAEC Lethal Static Renewal 48Hr acute Pimephales promelasMO AV MN report only all year
002NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas48HR MIN report only all year
002Coef Of Var Static Renewal 48Hr Acute D. pulexMAXIMUM report only all year
002Coef Of Var Static Renewal 48Hr Acute Pimephales promelasMAXIMUM report only all year
003pHINST MIN >= 6 SU all year
003pHINST MAX <= 9 SU all year
003Nitrogen, total [as N]MO AVG report only all year
003Nitrogen, total [as N]DAILY MX report only all year
003Phosphorus, total [as P]MO AVG report only all year
003Phosphorus, total [as P]DAILY MX report only all year
003Carbon, tot organic [TOC]DAILY MX <= 50 mg/L 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
015pHINST MIN >= 6 SU all year
015pHINST MAX <= 9 SU all year
015Oil & GreaseDAILY MX <= 15 mg/L all year
015Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
015Flow, in conduit or thru treatment plantMO AVG report only all year
015Flow, in conduit or thru treatment plantDAILY MX report only all year
016pHINST MIN >= 6 SU all year
016pHINST MAX <= 9 SU all year
016Oil & GreaseDAILY MX <= 15 mg/L all year
016Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
016Flow, in conduit or thru treatment plantMO AVG report only all year
016Flow, in conduit or thru treatment plantDAILY MX report only all year
020pHINST MIN >= 6 SU all year
020pHINST MAX <= 9 SU all year
020Oil & GreaseDAILY MX <= 15 mg/L all year
020Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
020Flow, in conduit or thru treatment plantMO AVG report only all year
020Flow, in conduit or thru treatment plantDAILY MX report only all year
021ApHINST MIN >= 6 SU all year
021ApHINST MAX <= 9 SU all year
021ASolids, total suspendedDAILY MX <= 90 mg/L all year
021ASolids, total suspendedDAILY MX <= 90 mg/L all year
021AOil & GreaseDAILY MX <= 15 mg/L all year
021ACarbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
021ALead, total [as Pb]DAILY MX <= 50 ug/L all year
021ABenzeneDAILY MX <= 50 ug/L all year
021ABTEXDAILY MX <= 250 ug/L all year
021AFlow, in conduit or thru treatment plantMO AVG report only all year
021AFlow, in conduit or thru treatment plantDAILY MX report only all year
021BpHINST MIN >= 6 SU all year
021BpHINST MAX <= 9 SU all year
021BSolids, total suspendedDAILY MX <= 90 mg/L all year
021BSolids, total suspendedDAILY MX <= 90 mg/L all year
021BOil & GreaseDAILY MX <= 15 mg/L all year
021BCarbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
021BLead, total [as Pb]DAILY MX <= 50 ug/L all year
021BBenzeneDAILY MX <= 50 ug/L all year
021BBTEXDAILY MX <= 250 ug/L all year
021BFlow, in conduit or thru treatment plantMO AVG report only all year
021BFlow, in conduit or thru treatment plantDAILY MX report only all year
102Flow, in conduit or thru treatment plantMO AVG report only all year
102Flow, in conduit or thru treatment plantDAILY MX report only all year
302BOD, 5-day, 20 deg. CMO AVG <= 1243 lb/d all year
302BOD, 5-day, 20 deg. CDAILY MX <= 2239 lb/d all year
302Oxygen demand, chem. [high level] [COD]MO AVG <= 8674 lb/d all year
302Oxygen demand, chem. [high level] [COD]DAILY MX <= 16739 lb/d all year
302Solids, total suspendedMO AVG <= 996 lb/d all year
302Solids, total suspendedDAILY MX <= 1561 lb/d all year
302Oil & GreaseMO AVG <= 362 lb/d all year
302Oil & GreaseDAILY MX <= 680 lb/d all year
302Nitrogen, total [as N]MO AVG report only all year
302Nitrogen, total [as N]DAILY MX report only all year
302Nitrogen, ammonia total [as N]MO AVG <= 653 lb/d all year
302Nitrogen, ammonia total [as N]DAILY MX <= 1437 lb/d all year
302Phosphorus, total [as P]MO AVG report only all year
302Phosphorus, total [as P]DAILY MX report only all year
302Sulfide, total [as S]MO AVG <= 6.3 lb/d all year
302Sulfide, total [as S]DAILY MX <= 14.1 lb/d all year
302Chromium, hexavalent [as Cr]MO AVG <= .9 lb/d all year
302Chromium, hexavalent [as Cr]DAILY MX <= 2.1 lb/d all year
302Chromium, total [as Cr]MO AVG <= 11.1 lb/d all year
302Chromium, total [as Cr]DAILY MX <= 32 lb/d all year
302Phenolics, total recoverableMO AVG <= 8.1 lb/d all year
302Phenolics, total recoverableDAILY MX <= 16.7 lb/d all year
302Flow, in conduit or thru treatment plantMO AVG report only all year
302Flow, in conduit or thru treatment plantDAILY MX report only all year
TOXWhole effluent toxicity - retest #1MO AV MN report only all year
TOXWhole effluent toxicity - retest #1MO AV MN report only all year
TOXWhole effluent toxicity - retest #148HR MIN report only all year
TOXWhole effluent toxicity - retest #148HR MIN report only all year
TOXWhole effluent toxicity - retest #2MO AV MN report only all year
TOXWhole effluent toxicity - retest #2MO AV MN report only all year
TOXWhole effluent toxicity - retest #248HR MIN report only all year
TOXWhole effluent toxicity - retest #248HR MIN report only all year
TOXWhole Effluent Toxicity - Retest #3MO AV MN report only all year
TOXWhole Effluent Toxicity - Retest #3MO AV MN report only all year
TOXWhole Effluent Toxicity - Retest #348HR MIN report only all year
TOXWhole Effluent Toxicity - Retest #348HR MIN report only all year
TOXLow Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulexMO AV MN report only all year
TOXLow Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex48HR MIN report only all year
TOXLF Pass/Fail Static Renewal 48Hr Acute Pimephales promelasMO AV MN report only all year
TOXLF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas48HR MIN report only all year
TOXNOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulexMO AV MN report only all year
TOXNOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex48HR MIN report only all year
TOXNOAEC Lethal Static Renewal 48Hr acute Pimephales promelasMO AV MN report only all year
TOXNOAEC Lethal Static Renewal 48Hr acute Pimephales promelas48HR MIN report only all year
TOXCoef Of Var Static Renewal 48Hr Acute D. pulexMAXIMUM report only all year
TOXCoef Of Var Static Renewal 48Hr Acute Pimephales promelasMAXIMUM 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