CITGO REFINING & CHEMICALS COMPANY LP

NPDES permit TX0006211 · Major NON-POTW · administratively continued, expires 2025-03-09 · 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 2025-03-09 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

0values over a limit
6required values missing, on 3 form(s)
0of 112 forms filed late

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

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 (146)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. CDAILY AV <= 585 lb/d all year
001BOD, 5-day, 20 deg. CDAILY MX <= 1170 lb/d all year
001Oxygen demand, chem. [high level] [COD]DAILY AV <= 6100 lb/d all year
001Oxygen demand, chem. [high level] [COD]DAILY MX <= 12200 lb/d all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedDAILY AV <= 680 lb/d all year
001Solids, total suspendedDAILY MX <= 1295 lb/d all year
001Oil & GreaseDAILY AV <= 235 lb/d all year
001Oil & GreaseDAILY MX <= 390 lb/d all year
001Nitrogen, ammonia total [as N]DAILY AV <= 215 lb/d all year
001Nitrogen, ammonia total [as N]DAILY MX <= 430 lb/d all year
001Sulfide, total [as S]DAILY AV <= 2.5 lb/d all year
001Sulfide, total [as S]DAILY MX <= 5.4 lb/d all year
001Fluoride, total [as F]DAILY MX <= 10 mg/L all year
001Chromium, hexavalent [as Cr]DAILY AV <= .51 lb/d all year
001Chromium, hexavalent [as Cr]DAILY MX <= 1.14 lb/d all year
001Chromium, total [as Cr]DAILY AV <= 5.9 lb/d all year
001Chromium, total [as Cr]DAILY MX <= 16.9 lb/d all year
001Flow, in conduit or thru treatment plantDAILY AV <= 3.5 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX <= 6.2 MGD all year
001Phenolic compounds, totalDAILY AV <= 3.2 lb/d all year
001Phenolic compounds, totalDAILY MX <= 6.4 lb/d all year
002BOD, 5-day, 20 deg. CDAILY AV <= 265 lb/d all year
002BOD, 5-day, 20 deg. CDAILY MX <= 530 lb/d all year
002Oxygen demand, chem. [high level] [COD]DAILY AV <= 2800 lb/d all year
002Oxygen demand, chem. [high level] [COD]DAILY MX <= 5650 lb/d all year
002pHMINIMUM >= 6 SU all year
002pHMAXIMUM <= 9 SU all year
002Solids, total suspendedDAILY AV <= 310 lb/d all year
002Solids, total suspendedDAILY MX <= 590 lb/d all year
002Oil & GreaseDAILY AV <= 110 lb/d all year
002Oil & GreaseDAILY MX <= 180 lb/d all year
002Nitrogen, ammonia total [as N]DAILY AV <= 135 lb/d all year
002Nitrogen, ammonia total [as N]DAILY MX <= 270 lb/d all year
002Sulfide, total [as S]DAILY AV <= 1.2 lb/d all year
002Sulfide, total [as S]DAILY MX <= 2.5 lb/d all year
002Fluoride, total [as F]DAILY MX <= 10 mg/L all year
002Chromium, hexavalent [as Cr]DAILY AV <= .18 lb/d all year
002Chromium, hexavalent [as Cr]DAILY MX <= .38 lb/d all year
002Chromium, total [as Cr]DAILY AV <= 2.7 lb/d all year
002Chromium, total [as Cr]DAILY MX <= 7.7 lb/d all year
002Flow, in conduit or thru treatment plantDAILY AV <= 1.6 MGD all year
002Flow, in conduit or thru treatment plantDAILY MX <= 3.1 MGD all year
002Chlorine, total residualMO MIN >= 1 mg/L all year
002Chlorine, total residualMO MAX report only all year
002EnterococciDAILY AV <= 35 CFU/100mL all year
002EnterococciDAILY MX <= 104 CFU/100mL all year
002Phenolic compounds, totalDAILY AV <= 1.4 lb/d all year
002Phenolic compounds, totalDAILY MX <= 3 lb/d all year
003pHMINIMUM >= 6 SU all year
003pHMAXIMUM <= 9 SU all year
003Oil & GreaseDAILY MX <= 15 mg/L all year
003Carbon, tot organic [TOC]DAILY MX <= 75 mg/L all year
003Chromium, total [as Cr]DAILY MX <= .6 mg/L all year
003Benzene, ethylbenzene, toluene, xylene combinationDAILY AV report only all year
003Benzene, ethylbenzene, toluene, xylene combinationDAILY MX <= .5 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 & GreaseDAILY MX <= 15 mg/L all year
004Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
004Flow, in conduit or thru treatment plantDAILY 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 <= 50 mg/L all year
005Flow, in conduit or thru treatment plantDAILY MX report only all year
006pHMINIMUM >= 6 SU all year
006pHMAXIMUM <= 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 plantDAILY MX report only all year
007pHMINIMUM >= 6 SU all year
007pHMAXIMUM <= 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 plantDAILY MX report only all year
008pHMINIMUM >= 6 SU all year
008pHMAXIMUM <= 9 SU all year
008Oil & GreaseDAILY MX <= 15 mg/L all year
008Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
008Flow, in conduit or thru treatment plantDAILY MX report only all year
009pHMINIMUM >= 6 SU all year
009pHMAXIMUM <= 9 SU all year
009Oil & GreaseDAILY MX <= 15 mg/L all year
009Carbon, tot organic [TOC]DAILY MX <= 75 mg/L all year
009Chromium, total [as Cr]DAILY MX <= .6 mg/L all year
009Copper, total [as Cu]DAILY MX <= .349 mg/L all year
009Benzene, ethylbenzene, toluene, xylene combinationDAILY AV report only all year
009Benzene, ethylbenzene, toluene, xylene combinationDAILY MX <= .5 mg/L all year
009Flow, in conduit or thru treatment plantDAILY AV report only all year
009Flow, in conduit or thru treatment plantDAILY MX report only all year
TX1Whole effluent toxicity - retest #17 DA MIN report only all year
TX1Whole effluent toxicity - retest #1MO AV MN report only all year
TX1Whole effluent toxicity - retest #27 DA MIN report only all year
TX1Whole effluent toxicity - retest #2MO AV MN 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 beryllina7 DA MIN report only all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia beryllinaMO 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 beryllina7 DA MIN report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Menidia beryllinaMO 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 beryllina7 DA MIN report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllinaMO 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 beryllina7 DA MIN report only all year
TX1Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllinaMO 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 beryllina7 DA MIN report only all year
TX1LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia beryllinaMO 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 Growth Static Renewal 7 Day Chronic Menidia beryllina7 DA MIN report only all year
TX1LOEC Sub-Lethal Growth Static Renewal 7 Day Chronic Menidia beryllinaMO AV MN report only all year
TX2Whole effluent toxicity - retest #148HR MIN report only all year
TX2Whole effluent toxicity - retest #1MO AV MN report only all year
TX2Whole effluent toxicity - retest #248HR MIN report only all year
TX2Whole effluent toxicity - retest #2MO AV MN report only all year
TX2LF Pass/Fail Static Renewal 48Hr Acute Americamysis bahia (formerly Mysidopis bahia)48HR MIN report only all year
TX2LF Pass/Fail Static Renewal 48Hr Acute Americamysis bahia (formerly Mysidopis bahia)MO AV MN report only all year
TX2Low Flow Pass/Fail Static Renewal 48Hr Acute Menidia beryllina48HR MIN report only all year
TX2Low Flow Pass/Fail Static Renewal 48Hr Acute Menidia beryllinaMO AV MN report only all year
TX2NOAEC Lethal Static Renewal 48HR Acute Americamysis bahia (formerly Mysidopsis bahia)48HR MIN report only all year
TX2NOAEC Lethal Static Renewal 48HR Acute Americamysis bahia (formerly Mysidopsis bahia)MO AV MN report only all year
TX2NOAEC Lethal Static Renewal 48HR Acute Menidia beryllina48HR MIN report only all year
TX2NOAEC Lethal Static Renewal 48HR Acute Menidia beryllinaMO AV MN report only all year
TX2LOAEC Lethal Survival Static Renewal 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia)48HR MIN report only all year
TX2LOAEC Lethal Survival Static Renewal 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia)MO AV MN report only all year
TX2LOAEC Lethal Survival Static Renewal 48Hr Acute Menidia beryllina48HR MIN report only all year
TX2LOAEC Lethal Survival Static Renewal 48Hr Acute Menidia beryllinaMO AV MN report only all year
TXAWhole effluent toxicity - retest #1SINGSAMP report only all year
TXAWhole effluent toxicity - retest #2SINGSAMP 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 beryllinaSINGSAMP report only all year
TXBWhole effluent toxicity - retest #1SINGSAMP report only all year
TXBWhole effluent toxicity - retest #2SINGSAMP report only all year
TXBLC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia)SINGSAMP report only all year
TXBLC50 Pass/Fail Static 24Hr Acute Menidia beryllinaSINGSAMP 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