ENTERPRISE PRODUCTS OPERATING LLC

NPDES permit TX0134465 · Major NON-POTW · administratively continued, expires 2026-07-07 · EPA's file as of 2026-09-19

Check this month's numbers before you file

This permit expired on 2026-07-07 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

1values over a limit
0required values missing, on 0 form(s)
0of 85 forms filed late

Last period with anything received: 2026-07-31. Most often over: Zinc, total [as Zn] (1).

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 (231)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. CDAILY AV <= 15.3 mg/L all year
001BOD, 5-day, 20 deg. CDAILY MX <= 36 mg/L all year
001BOD, 5-day, 20 deg. CDAILY AV <= 189 lb/d all year
001BOD, 5-day, 20 deg. CDAILY MX <= 521 lb/d all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedDAILY AV <= 34.2 mg/L all year
001Solids, total suspendedDAILY MX <= 113 mg/L all year
001Solids, total suspendedDAILY AV <= 493 lb/d all year
001Solids, total suspendedDAILY MX <= 1630 lb/d all year
001Oil & GreaseDAILY AV <= 15 mg/L all year
001Oil & GreaseDAILY MX <= 20 mg/L all year
001Nitrogen, ammonia total [as N]DAILY AV report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Nitrogen, ammonia total [as N]DAILY AV report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Carbon, tot organic [TOC]DAILY AV <= 30 mg/L all year
001Carbon, tot organic [TOC]DAILY MX <= 75 mg/L all year
001Sulfate, total [as SO4]DAILY AV report only all year
001Sulfate, total [as SO4]DAILY MX report only all year
001Sulfate, total [as SO4]DAILY AV <= 3743 lb/d all year
001Sulfate, total [as SO4]DAILY MX <= 7903 lb/d all year
001Benzo[a]pyreneDAILY AV <= .00444 ug/L all year
001Benzo[a]pyreneDAILY MX <= .00939 ug/L all year
001Benzo[a]pyreneDAILY AV <= .000064 lb/d all year
001Benzo[a]pyreneDAILY MX <= .00014 lb/d all year
001ChryseneDAILY AV <= 4.47 ug/L all year
001ChryseneDAILY MX <= 9.47 ug/L all year
001ChryseneDAILY AV <= .0643 lb/d all year
001ChryseneDAILY MX <= .136 lb/d all year
001HexachlorobutadieneDAILY AV <= .39 ug/L all year
001HexachlorobutadieneDAILY MX <= .827 ug/L all year
001HexachlorobutadieneDAILY AV <= .006 lb/d all year
001HexachlorobutadieneDAILY MX <= .012 lb/d all year
001HexachloroethaneDAILY AV <= 4.14 ug/L all year
001HexachloroethaneDAILY MX <= 8.75 ug/L all year
001HexachloroethaneDAILY AV <= .06 lb/d all year
001HexachloroethaneDAILY MX <= .13 lb/d all year
001Benzo[a]anthraceneDAILY AV <= .0444 ug/L all year
001Benzo[a]anthraceneDAILY MX <= .0939 ug/L all year
001Benzo[a]anthraceneDAILY AV <= .00064 lb/d all year
001Benzo[a]anthraceneDAILY MX <= .0014 lb/d all year
001Di[2-ethylhexyl] phthalate [DEHP]DAILY AV <= 13.4 ug/L all year
001Di[2-ethylhexyl] phthalate [DEHP]DAILY MX <= 28.3 ug/L all year
001Di[2-ethylhexyl] phthalate [DEHP]DAILY AV <= .193 lb/d all year
001Di[2-ethylhexyl] phthalate [DEHP]DAILY MX <= .407 lb/d all year
001HexachlorobenzeneDAILY AV <= .0012 ug/L all year
001HexachlorobenzeneDAILY MX <= .00255 ug/L all year
001HexachlorobenzeneDAILY AV <= .000017 lb/d all year
001HexachlorobenzeneDAILY MX <= .000037 lb/d all year
001Flow, in conduit or thru treatment plantDAILY AV <= 1.725 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX <= 3.5 MGD all year
001Cyanide, free availableDAILY MX report only all year
001Solids, total dissolvedDAILY AV report only all year
001Solids, total dissolvedDAILY MX report only all year
001Solids, total dissolvedDAILY AV <= 15705 lb/d all year
001Solids, total dissolvedDAILY MX <= 33224 lb/d all year
002pHMINIMUM >= 6.5 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
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 >= 6.5 SU all year
003pHMAXIMUM <= 9 SU all year
003Solids, total suspendedDAILY AV <= 30 mg/L all year
003Solids, total suspendedDAILY MX <= 100 mg/L all year
003Oil & GreaseDAILY AV <= 15 mg/L all year
003Oil & GreaseDAILY MX <= 20 mg/L all year
003Zinc, total [as Zn]DAILY AV <= .248 mg/L all year
003Zinc, total [as Zn]DAILY MX <= .525 mg/L all year
003Flow, in conduit or thru treatment plantDAILY AV <= .346 MGD all year
003Flow, in conduit or thru treatment plantDAILY MX <= .65 MGD all year
004pHMINIMUM >= 6.5 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
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
005Flow, in conduit or thru treatment plantDAILY AV report only all year
005Flow, in conduit or thru treatment plantDAILY MX report only all year
006pHMINIMUM >= 6 SU all year
006pHMAXIMUM <= 9 SU all year
006Solids, total suspendedDAILY AV <= 30 mg/L all year
006Solids, total suspendedDAILY MX <= 100 mg/L all year
006Oil & GreaseDAILY AV <= 15 mg/L all year
006Oil & GreaseDAILY MX <= 20 mg/L all year
006Flow [dry weather]DAILY AV <= .072 MGD all year
006Flow [dry weather]DAILY MX <= .15 MGD all year
101BOD, 5-day, 20 deg. CDAILY AV <= 112 lb/d all year
101BOD, 5-day, 20 deg. CDAILY MX <= 302 lb/d all year
101Solids, total suspendedDAILY AV <= 165 lb/d all year
101Solids, total suspendedDAILY MX <= 536 lb/d all year
101Carbon tetrachlorideDAILY AV <= .059 lb/d all year
101Carbon tetrachlorideDAILY MX <= .124 lb/d all year
1011,2-DichloroethaneDAILY AV <= .222 lb/d all year
1011,2-DichloroethaneDAILY MX <= .69 lb/d all year
101ChloroformDAILY AV <= .069 lb/d all year
101ChloroformDAILY MX <= .15 lb/d all year
101TolueneDAILY AV <= .085 lb/d all year
101TolueneDAILY MX <= .262 lb/d all year
101BenzeneDAILY AV <= .121 lb/d all year
101BenzeneDAILY MX <= .445 lb/d all year
101AcenaphthyleneDAILY AV <= .072 lb/d all year
101AcenaphthyleneDAILY MX <= .193 lb/d all year
101AcenaphtheneDAILY AV <= .072 lb/d all year
101AcenaphtheneDAILY MX <= .193 lb/d all year
101AcrylonitrileDAILY AV <= .314 lb/d all year
101AcrylonitrileDAILY MX <= .792 lb/d all year
101AnthraceneDAILY AV <= .072 lb/d all year
101AnthraceneDAILY MX <= .193 lb/d all year
101Benzo[k]fluorantheneDAILY AV <= .072 lb/d all year
101Benzo[k]fluorantheneDAILY MX <= .193 lb/d all year
101ChlorobenzeneDAILY AV <= .049 lb/d all year
101ChlorobenzeneDAILY MX <= .092 lb/d all year
101Diethyl phthalateDAILY AV <= .265 lb/d all year
101Diethyl phthalateDAILY MX <= .664 lb/d all year
101Dimethyl phthalateDAILY AV <= .062 lb/d all year
101Dimethyl phthalateDAILY MX <= .154 lb/d all year
101EthylbenzeneDAILY AV <= .105 lb/d all year
101EthylbenzeneDAILY MX <= .353 lb/d all year
101FluorantheneDAILY AV <= .082 lb/d all year
101FluorantheneDAILY MX <= .222 lb/d all year
101FluoreneDAILY AV <= .072 lb/d all year
101FluoreneDAILY MX <= .193 lb/d all year
101Methyl chloride [Chloromethane]DAILY AV <= .281 lb/d all year
101Methyl chloride [Chloromethane]DAILY MX <= .622 lb/d all year
101Methylene chlorideDAILY AV <= .131 lb/d all year
101Methylene chlorideDAILY MX <= .291 lb/d all year
101NitrobenzeneDAILY AV <= .088 lb/d all year
101NitrobenzeneDAILY MX <= .222 lb/d all year
101PhenanthreneDAILY AV <= .072 lb/d all year
101PhenanthreneDAILY MX <= .193 lb/d all year
101PyreneDAILY AV <= .082 lb/d all year
101PyreneDAILY MX <= .219 lb/d all year
101TetrachloroethyleneDAILY AV <= .072 lb/d all year
101TetrachloroethyleneDAILY MX <= .183 lb/d all year
1011,1-DichloroethaneDAILY AV <= .072 lb/d all year
1011,1-DichloroethaneDAILY MX <= .193 lb/d all year
1011,1-DichloroethyleneDAILY AV <= .052 lb/d all year
1011,1-DichloroethyleneDAILY MX <= .082 lb/d all year
1011,1,1-TrichloroethaneDAILY AV <= .069 lb/d all year
1011,1,1-TrichloroethaneDAILY MX <= .177 lb/d all year
1011,1,2-TrichloroethaneDAILY AV <= .069 lb/d all year
1011,1,2-TrichloroethaneDAILY MX <= .177 lb/d all year
1011,2-DichlorobenzeneDAILY AV <= .252 lb/d all year
1011,2-DichlorobenzeneDAILY MX <= .533 lb/d all year
1011,2-DichloropropaneDAILY AV <= .5 lb/d all year
1011,2-DichloropropaneDAILY MX <= .752 lb/d all year
101trans-1,2-DichloroethyleneDAILY AV <= .069 lb/d all year
101trans-1,2-DichloroethyleneDAILY MX <= .177 lb/d all year
1011,2,4-TrichlorobenzeneDAILY AV <= .222 lb/d all year
1011,2,4-TrichlorobenzeneDAILY MX <= .458 lb/d all year
1011,3-DichlorobenzeneDAILY AV <= .101 lb/d all year
1011,3-DichlorobenzeneDAILY MX <= .144 lb/d all year
1011,4-DichlorobenzeneDAILY AV <= .049 lb/d all year
1011,4-DichlorobenzeneDAILY MX <= .092 lb/d all year
1012-ChlorophenolDAILY AV <= .101 lb/d all year
1012-ChlorophenolDAILY MX <= .321 lb/d all year
1012-NitrophenolDAILY AV <= .134 lb/d all year
1012-NitrophenolDAILY MX <= .226 lb/d all year
1012,4-DichlorophenolDAILY AV <= .128 lb/d all year
1012,4-DichlorophenolDAILY MX <= .366 lb/d all year
1012,4-DimethylphenolDAILY AV <= .059 lb/d all year
1012,4-DimethylphenolDAILY MX <= .118 lb/d all year
1012,4-DinitrotolueneDAILY AV <= .37 lb/d all year
1012,4-DinitrotolueneDAILY MX <= .932 lb/d all year
1012,4-DinitrophenolDAILY AV <= .232 lb/d all year
1012,4-DinitrophenolDAILY MX <= .402 lb/d all year
1012,6-DinitrotolueneDAILY AV <= .834 lb/d all year
1012,6-DinitrotolueneDAILY MX <= 2.097 lb/d all year
1014-NitrophenolDAILY AV <= .236 lb/d all year
1014-NitrophenolDAILY MX <= .406 lb/d all year
1014,6-Dinitro-o-cresolDAILY AV <= .255 lb/d all year
1014,6-Dinitro-o-cresolDAILY MX <= .906 lb/d all year
101PhenolDAILY AV <= .049 lb/d all year
101PhenolDAILY MX <= .085 lb/d all year
101NaphthaleneDAILY AV <= .072 lb/d all year
101NaphthaleneDAILY MX <= .193 lb/d all year
101Di-n-butyl phthalateDAILY AV <= .088 lb/d all year
101Di-n-butyl phthalateDAILY MX <= .186 lb/d all year
101Vinyl chlorideDAILY AV <= .34 lb/d all year
101Vinyl chlorideDAILY MX <= .877 lb/d all year
101TrichloroethyleneDAILY AV <= .069 lb/d all year
101TrichloroethyleneDAILY MX <= .177 lb/d all year
101Flow, in conduit or thru treatment plantDAILY AV <= .415 MGD all year
101Flow, in conduit or thru treatment plantDAILY MX <= .7 MGD all year
1011,3-DichloropropyleneDAILY AV <= .095 lb/d all year
1011,3-DichloropropyleneDAILY MX <= .144 lb/d all year
1013,4-BenzofluorantheneDAILY AV <= .075 lb/d all year
1013,4-BenzofluorantheneDAILY MX <= .2 lb/d all year
101ChloroethaneDAILY AV <= .34 lb/d all year
101ChloroethaneDAILY MX <= .877 lb/d all year
TX1Whole Effluent Toxicity [WET] - C. dubia7 DA MIN >= 87 % all year
TX1Whole Effluent Toxicity [WET] - C. dubiaMO AV MN >= 87 % all year
TX1Whole Effluent Toxicity [WET] - C. dubia7 DA MIN >= 80 % all year
TX1Whole Effluent Toxicity [WET] - C. dubiaMO AV MN >= 80 % all year
TX1Whole Effluent Toxicity [WET] - P. promelas7 DA MIN >= 87 % all year
TX1Whole Effluent Toxicity [WET] - P. promelasMO AV MN >= 87 % all year
TX1Whole Effluent Toxicity [WET] - P. promelas7 DA MIN >= 80 % all year
TX1Whole Effluent Toxicity [WET] - P. promelasMO AV MN >= 80 % all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubiaMO AV MN report only all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelasMO AV MN report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiaMO AV MN report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelasMO AV MN report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA AVG report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiaMO AV MN report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelasMO AV MN report only all year
TX1Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX1Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiaMO AV MN report only all year
TX1Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas7 DA MIN report only all year
TX1Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelasMO AV MN report only all year
TX1LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX1LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubiaMO AV MN report only all year
TX1LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
TX1LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelasMO AV MN report only all year
TX1LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX1LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubiaMO AV MN report only all year
TX1LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
TX1LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelasMO AV MN report only all year
TXALC50 Pass/Fail Static 24Hr Acute D. PulexSINGSAMP report only all year
TXALC50 Pass/Fail Static 24Hr Acute Pimephales promelasSINGSAMP 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