VALERO REFINING - TEXAS LP

NPDES permit TX0006904 · Major NON-POTW · administratively continued, expires 2026-04-08 · 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 2026-04-08 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

2values over a limit
0required values missing, on 0 form(s)
0of 86 forms filed late

Last period with anything received: 2026-07-31. Most often over: pH (1), Oil & Grease (1).

Reporting

Reports are due about 20 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (92)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitDAILY MX <= 105 deg F all year
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001BOD, 5-day, 20 deg. CDAILY AV <= 418 lb/d all year
001BOD, 5-day, 20 deg. CDAILY MX <= 752 lb/d all year
001pHMINIMUM >= 5 SU all year
001pHMAXIMUM <= 11 SU all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Nitrogen, ammonia total [as N]DAILY AV <= 278 lb/d all year
001Nitrogen, ammonia total [as N]DAILY MX <= 612 lb/d all year
001Flow, in conduit or thru treatment plantDAILY AV <= 3 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX <= 4 MGD 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 >= 6 SU all year
002pHMAXIMUM <= 9 SU all year
002Oil & GreaseINST MAX <= 15 mg/L all year
002Carbon, tot organic [TOC]INST MAX <= 55 mg/L all year
002Flow, in conduit or thru treatment plantDAILY AV report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
003pHMINIMUM >= 6 SU all year
003pHMAXIMUM <= 9 SU all year
003Oil & GreaseINST MAX <= 15 mg/L all year
003Carbon, tot organic [TOC]INST MAX <= 55 mg/L all year
003Flow, in conduit or thru treatment plantDAILY AV report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
004pHMINIMUM >= 6 SU all year
004pHMAXIMUM <= 9 SU all year
004Oil & GreaseINST MAX <= 15 mg/L all year
004Carbon, tot organic [TOC]INST MAX <= 55 mg/L all year
004Flow [dry weather]DAILY AV <= .325 MGD all year
004Flow [dry weather]DAILY MX report only all year
005pHMINIMUM >= 6 SU all year
005pHMAXIMUM <= 9 SU all year
005Oil & GreaseDAILY MX <= 15 mg/L all year
005Carbon, tot organic [TOC]DAILY MX <= 55 mg/L all year
005Flow, in conduit or thru treatment plantDAILY AV report only all year
005Flow, in conduit or thru treatment plantDAILY MX report only all year
101Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
101Oxygen demand, chem. [high level] [COD]DAILY AV <= 5603 lb/d all year
101Oxygen demand, chem. [high level] [COD]DAILY MX <= 10863 lb/d all year
101pHMINIMUM >= 5 SU all year
101pHMAXIMUM <= 11 SU all year
101Solids, total suspendedDAILY MX report only all year
101Solids, total suspendedDAILY AV <= 845 lb/d all year
101Solids, total suspendedDAILY MX <= 1413 lb/d all year
101Oil & GreaseDAILY MX report only all year
101Oil & GreaseDAILY AV <= 236 lb/d all year
101Oil & GreaseDAILY MX <= 446 lb/d all year
101Sulfide, total [as S]DAILY MX report only all year
101Sulfide, total [as S]DAILY AV <= 3.6 lb/d all year
101Sulfide, total [as S]DAILY MX <= 8 lb/d all year
101Chromium, hexavalent [as Cr]DAILY MX report only all year
101Chromium, hexavalent [as Cr]DAILY AV <= .4 lb/d all year
101Chromium, hexavalent [as Cr]DAILY MX <= .9 lb/d all year
101Chromium, total [as Cr]DAILY MX report only all year
101Chromium, total [as Cr]DAILY AV <= 4 lb/d all year
101Chromium, total [as Cr]DAILY MX <= 12 lb/d all year
101Flow, in conduit or thru treatment plantDAILY AV <= 3 MGD all year
101Flow, in conduit or thru treatment plantDAILY MX <= 4 MGD all year
101Phenolic compounds, totalDAILY MX report only all year
101Phenolic compounds, totalDAILY AV <= 3.6 lb/d all year
101Phenolic compounds, totalDAILY MX <= 11 lb/d all year
101pH range excursions, > 60 minutesMO MIN >= 0 occur/mo all year
101pH range excursions, monthly total accumMO TOTAL <= 446 min all year
102Flow, in conduit or thru treatment plantDAILY AV <= 3 MGD all year
102Flow, in conduit or thru treatment plantDAILY MX <= 4 MGD all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)7 DA MIN report only all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)MO AV MN report only all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidia7 DA MIN report only all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidiaMO AV MN report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7 DA MIN report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)MO AV MN report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Menidia menidia7 DA MIN report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Menidia menidiaMO AV MN report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7 DA MIN report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)MO AV MN report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia7 DA MIN report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidiaMO AV MN report only all year
TX1Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7 DA MIN report only all year
TX1Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)MO AV MN report only all year
TX1Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia7 DA MIN report only all year
TX1Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia menidiaMO AV MN report only all year
TX1LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7 DA MIN report only all year
TX1LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)MO AV MN report only all year
TX1LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia menidia7 DA MIN report only all year
TX1LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia menidiaMO AV MN report only all year
TX1LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)7 DA MIN report only all year
TX1LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)MO AV MN report only all year
TX1LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Menidia menidia7 DA MIN report only all year
TX1LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Menidia menidiaMO AV MN report only all year
TXALC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia)SINGSAMP report only all year
TXALC50 Pass/Fail Static 24Hr Acute Menidia menidiaSINGSAMP 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