Valero Refining - New Orleans LLC - St Charles Refinery

NPDES permit LA0052051 · Major NON-POTW · effective, expires 2031-06-30 · 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)
0of 69 forms filed late

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

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 (91)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. CMO AVG <= 3664 lb/d all year
001BOD, 5-day, 20 deg. CDAILY MX <= 6593 lb/d all year
001Oxygen demand, chem. [high level] [COD]MO AVG <= 25470 lb/d all year
001Oxygen demand, chem. [high level] [COD]DAILY MX <= 49191 lb/d all year
001pHINST MIN report only all year
001pHINST MAX report only all year
001Solids, total suspendedMO AVG <= 2939 lb/d all year
001Solids, total suspendedDAILY MX <= 4604 lb/d all year
001Oil & GreaseMO AVG <= 1078 lb/d all year
001Oil & GreaseDAILY MX <= 2025 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 <= 1855 lb/d all year
001Nitrogen, ammonia total [as N]DAILY MX <= 4080 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 <= 17.9 lb/d all year
001Sulfide, total [as S]DAILY MX <= 40.2 lb/d all year
001Chromium, hexavalent [as Cr]MO AVG <= 2.2 lb/d all year
001Chromium, hexavalent [as Cr]DAILY MX <= 5 lb/d all year
001Chromium, total [as Cr]MO AVG <= 25.9 lb/d all year
001Chromium, total [as Cr]DAILY MX <= 74.6 lb/d all year
001Phenolics, total recoverableMO AVG <= 22.2 lb/d all year
001Phenolics, total recoverableDAILY MX <= 49 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 minutesMO TOTAL <= 0 occur/mo all year
001pH range excursions, monthly total accumMO TOTAL <= 446 min all year
001Solids, total suspended, non-algalMO AVG <= 2939 lb/d May, Jun, Jul, Aug, Sep
001Solids, total suspended, non-algalDAILY MX <= 4604 lb/d May, Jun, Jul, Aug, Sep
001Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex48HR MIN report only all year
001Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulexMO AV MN report only all year
001LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas48HR MIN report only all year
001LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelasMO AV MN report only all year
001NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex48HR MIN report only all year
001NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulexMO AV MN report only all year
001NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas48HR MIN report only all year
001NOAEC Lethal Static Renewal 48Hr acute Pimephales promelasMO AV MN 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
002pHINST MIN >= 6 SU all year
002pHINST MAX <= 9 SU all year
002Oil & GreaseDAILY MX <= 15 mg/L all year
002Carbon, tot organic [TOC]DAILY MX <= 50 mg/L 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
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
005Flow, in conduit or thru treatment plantMO AVG report only all year
005Flow, in conduit or thru treatment plantDAILY MX report only all year
006pHINST MIN >= 6 SU all year
006pHINST MAX <= 9 SU all year
006Oil & GreaseDAILY MX <= 15 mg/L all year
006Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
006Flow, in conduit or thru treatment plantMO AVG report only all year
006Flow, in conduit or thru treatment plantDAILY MX report only all year
007pHINST MIN >= 6 SU all year
007pHINST MAX <= 9 SU all year
007Oil & GreaseDAILY MX <= 15 mg/L all year
007Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
007Flow, in conduit or thru treatment plantMO AVG report only all year
007Flow, in conduit or thru treatment plantDAILY MX report only all year
010pHINST MIN >= 6 SU all year
010pHINST MAX <= 9 SU all year
010Oil & GreaseDAILY MX <= 15 mg/L all year
010Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
010Flow, in conduit or thru treatment plantMO AVG report only all year
010Flow, in conduit or thru treatment plantDAILY MX report only all year
102pHINST MIN >= 6 SU all year
102pHINST MAX <= 9 SU all year
102Solids, total suspendedDAILY MX <= 90 mg/L all year
102Solids, total suspendedDAILY MX <= 90 mg/L all year
102Oil & GreaseDAILY MX <= 15 mg/L all year
102Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
102Lead, total [as Pb]DAILY MX <= 50 ug/L all year
102BenzeneDAILY MX <= 50 ug/L all year
102BTEXDAILY MX <= 250 ug/L 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
IT01Flow, in conduit or thru treatment plantMO AVG report only all year
IT01Flow, 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