SASOL CHEMICALS USA LLC

NPDES permit TX0005584 · Minor NON-POTW · effective, expires 2028-11-30 · 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

3values over a limit
0required values missing, on 0 form(s)
0of 66 forms filed late

Last period with anything received: 2026-06-30. Most often over: Carbon, tot organic [TOC] (3).

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 (94)

OutfallParameterStatisticLimitMonths
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Oil & GreaseDAILY MX <= 15 mg/L all year
001Carbon, tot organic [TOC]DAILY MX <= 75 mg/L all year
001PhenolsDAILY MX report only all year
001PhenolsDAILY MX <= 1 mg/L all year
001Flow, in conduit or thru treatment plantDAILY AV report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
002pHMINIMUM >= 6 SU all year
002pHMAXIMUM <= 9 SU all year
002Oil & GreaseDAILY MX <= 15 mg/L all year
002Carbon, tot organic [TOC]DAILY MX <= 75 mg/L all year
002PhenolsDAILY MX report only all year
002PhenolsDAILY MX <= 1 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 & GreaseDAILY MX <= 15 mg/L all year
003Carbon, tot organic [TOC]DAILY MX <= 75 mg/L all year
003PhenolsDAILY MX report only all year
003PhenolsDAILY MX <= 1 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 <= 75 mg/L all year
004PhenolsDAILY MX report only all year
004PhenolsDAILY MX <= 1 mg/L all year
004Flow, in conduit or thru treatment plantDAILY AV report only 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 <= 75 mg/L all year
005PhenolsDAILY MX report only all year
005PhenolsDAILY MX <= 1 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
101Temperature, water deg. fahrenheitDAILY AV <= 100 deg F all year
101Temperature, water deg. fahrenheitDAILY MX <= 105 deg F all year
101BOD, 5-day, 20 deg. CDAILY AV <= 45 mg/L all year
101BOD, 5-day, 20 deg. CDAILY MX <= 90 mg/L all year
101BOD, 5-day, 20 deg. CDAILY AV <= 17 lb/d all year
101BOD, 5-day, 20 deg. CDAILY MX <= 34 lb/d all year
101pHMINIMUM >= 6 SU all year
101pHMAXIMUM <= 9 SU all year
101Solids, total suspendedDAILY AV <= 45 mg/L all year
101Solids, total suspendedDAILY MX <= 90 mg/L all year
101Solids, total suspendedDAILY AV <= 17 lb/d all year
101Solids, total suspendedDAILY MX <= 33 lb/d all year
101Oil & GreaseDAILY AV <= 10 mg/L all year
101Oil & GreaseDAILY MX <= 15 mg/L all year
101Oil & GreaseDAILY AV <= 3.8 lb/d all year
101Oil & GreaseDAILY MX <= 5.6 lb/d all year
101PhenolsDAILY AV <= 1.3 mg/L all year
101PhenolsDAILY MX <= 2.7 mg/L all year
101PhenolsDAILY AV <= .5 lb/d all year
101PhenolsDAILY MX <= 1 lb/d all year
101Flow, in conduit or thru treatment plantDAILY AV report only all year
101Flow, 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
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

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