VALERO REFINING TEXAS LP

NPDES permit TX0002976 · Major NON-POTW · effective, expires 2028-03-16 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

0values over a limit
0required values missing, on 0 form(s)
0of 83 forms filed late

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

Reporting

Reports are due about 20 days after each monitoring period ends (the most common figure among TX permits in EPA's filings — check your permit).

Limits in force (91)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitDAILY MX <= 120 deg F all year
001Oxygen demand, chem. [high level] [COD]DAILY AV <= 10115 lb/d all year
001Oxygen demand, chem. [high level] [COD]DAILY MX <= 19545 lb/d all year
001pHMINIMUM >= 5 SU all year
001pHMAXIMUM <= 11 SU all year
001Solids, total suspendedDAILY AV <= 1518 lb/d all year
001Solids, total suspendedDAILY MX <= 2850 lb/d all year
001Oil & GreaseDAILY AV <= 632 lb/d all year
001Oil & GreaseDAILY MX <= 1107 lb/d all year
001Nitrogen, ammonia total [as N]DAILY AV <= 186 lb/d all year
001Nitrogen, ammonia total [as N]DAILY MX <= 279 lb/d all year
001Cyanide, free [as free]DAILY AV <= .242 lb/d all year
001Cyanide, free [as free]DAILY MX <= .509 lb/d all year
001Sulfide, total [as S]DAILY AV <= 12.4 lb/d all year
001Sulfide, total [as S]DAILY MX <= 26.7 lb/d all year
001Chromium, hexavalent [as Cr]DAILY AV <= 5.27 lb/d all year
001Chromium, hexavalent [as Cr]DAILY MX <= 10.8 lb/d all year
001Chromium, total [as Cr]DAILY AV <= 15.9 lb/d all year
001Chromium, total [as Cr]DAILY MX <= 41.9 lb/d all year
001Zinc, total [as Zn]DAILY AV <= 6.47 lb/d all year
001Zinc, total [as Zn]DAILY MX <= 13.7 lb/d all year
001PhenolsDAILY AV <= 9.99 lb/d all year
001PhenolsDAILY MX <= 21.3 lb/d all year
001Flow, in conduit or thru treatment plantDAILY AV <= 3.3 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX <= 3.9 MGD all year
001BOD, carbonaceous [5 day, 20 C]DAILY AV <= 294 lb/d all year
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 441 lb/d all year
001pH range excursions, > 60 minutesMO TOTAL <= 0 occur/mo all year
001pH range excursions, monthly total accumMO TOTAL <= 446 min all year
002Oxygen demand, chem. [high level] [COD]DAILY MX <= 150 mg/L all year
002pHMINIMUM >= 6 SU all year
002pHMAXIMUM <= 9 SU all year
002Oil & GreaseDAILY MX <= 15 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
003Oxygen demand, chem. [high level] [COD]DAILY MX <= 150 mg/L all year
003pHMINIMUM >= 6 SU all year
003pHMAXIMUM <= 9 SU all year
003Oil & GreaseDAILY MX <= 15 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
005Oxygen demand, chem. [high level] [COD]DAILY MX <= 150 mg/L all year
005pHMINIMUM >= 6 SU all year
005pHMAXIMUM <= 9 SU all year
005Oil & GreaseDAILY MX <= 15 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
006Oxygen demand, chem. [high level] [COD]DAILY MX <= 150 mg/L all year
006pHMINIMUM >= 6 SU all year
006pHMAXIMUM <= 9 SU all year
006Oil & GreaseDAILY MX <= 15 mg/L all year
006Flow, in conduit or thru treatment plantDAILY AV report only all year
006Flow, in conduit or thru treatment plantDAILY MX report only all year
007Oxygen demand, chem. [high level] [COD]DAILY MX <= 150 mg/L all year
007pHMINIMUM >= 6 SU all year
007pHMAXIMUM <= 9 SU all year
007Oil & GreaseDAILY MX <= 15 mg/L all year
007Flow, in conduit or thru treatment plantDAILY AV report only all year
007Flow, in conduit or thru treatment plantDAILY MX report only all year
008Oxygen demand, chem. [high level] [COD]DAILY MX <= 150 mg/L all year
008pHMINIMUM >= 6 SU all year
008pHMAXIMUM <= 9 SU all year
008Oil & GreaseDAILY MX <= 15 mg/L all year
008Flow, in conduit or thru treatment plantDAILY AV report only all year
008Flow, in conduit or thru treatment plantDAILY MX report only 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