ENTERPRISE PRODUCTS OPERATING LLC

NPDES permit TX0131768 · Minor NON-POTW · effective, expires 2029-01-19 · 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 12 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 (64)

OutfallParameterStatisticLimitMonths
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedDAILY AV <= 30 mg/L all year
001Solids, total suspendedDAILY MX <= 100 mg/L all year
001Oil & GreaseDAILY AV <= 15 mg/L all year
001Oil & GreaseDAILY MX <= 20 mg/L all year
001Carbon, tot organic [TOC]DAILY MX <= 75 mg/L all year
001Carbon tetrachlorideDAILY MX <= .38 mg/L all year
0011,2-DichloroethaneDAILY MX <= .574 mg/L all year
001ChloroformDAILY MX <= .325 mg/L all year
001TolueneDAILY MX <= .074 mg/L all year
001BenzeneDAILY MX <= .134 mg/L all year
001AcenaphthyleneDAILY MX <= .047 mg/L all year
001AcenaphtheneDAILY MX <= .047 mg/L all year
001AcrylonitrileDAILY MX <= .232 mg/L all year
001AnthraceneDAILY MX <= .047 mg/L all year
001Benzo[k]fluorantheneDAILY MX <= .047 mg/L all year
001Benzo[a]pyreneDAILY MX <= .00018 mg/L all year
001ChlorobenzeneDAILY MX <= .38 mg/L all year
001ChryseneDAILY MX <= .047 mg/L all year
001Diethyl phthalateDAILY MX <= .133 mg/L all year
001Dimethyl phthalateDAILY MX <= .047 mg/L all year
001EthylbenzeneDAILY MX <= .38 mg/L all year
001FluorantheneDAILY MX <= .054 mg/L all year
001FluoreneDAILY MX <= .047 mg/L all year
001HexachlorobutadieneDAILY MX <= .016 mg/L all year
001HexachloroethaneDAILY MX <= .168 mg/L all year
001Methyl chloride [Chloromethane]DAILY MX <= .295 mg/L all year
001Methylene chlorideDAILY MX <= .17 mg/L all year
001NitrobenzeneDAILY MX <= 6.402 mg/L all year
001PhenanthreneDAILY MX <= .025 mg/L all year
001PyreneDAILY MX <= .048 mg/L all year
001TetrachloroethyleneDAILY MX <= .164 mg/L all year
0011,1-DichloroethaneDAILY MX <= .059 mg/L all year
0011,1-DichloroethyleneDAILY MX <= .06 mg/L all year
0011,1,1-TrichloroethaneDAILY MX <= .059 mg/L all year
0011,1,2-TrichloroethaneDAILY MX <= .127 mg/L all year
001Benzo[a]anthraceneDAILY MX <= .0018 mg/L all year
0011,2-DichlorobenzeneDAILY MX <= .794 mg/L all year
0011,2-DichloropropaneDAILY MX <= .794 mg/L all year
001trans-1,2-DichloroethyleneDAILY MX <= .066 mg/L all year
0011,2,4-TrichlorobenzeneDAILY MX <= .794 mg/L all year
0011,3-DichlorobenzeneDAILY MX <= .38 mg/L all year
0011,4-DichlorobenzeneDAILY MX <= .38 mg/L all year
0012-NitrophenolDAILY MX <= .231 mg/L all year
0012,4-DimethylphenolDAILY MX <= .047 mg/L all year
0012,4-DinitrophenolDAILY MX <= 4.291 mg/L all year
0014-NitrophenolDAILY MX <= .576 mg/L all year
0014,6-Dinitro-o-cresolDAILY MX <= .277 mg/L all year
001PhenolDAILY MX <= .047 mg/L all year
001NaphthaleneDAILY MX <= .047 mg/L all year
001Di[2-ethylhexyl] phthalate [DEHP]DAILY MX <= .258 mg/L all year
001Di-n-butyl phthalateDAILY MX <= .043 mg/L all year
001Vinyl chlorideDAILY MX <= .172 mg/L all year
001TrichloroethyleneDAILY MX <= .069 mg/L all year
001HexachlorobenzeneDAILY MX <= .00005 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
001Chlorine, total residualDAILY MX <= .1 mg/L all year
0011,3-DichloropropyleneDAILY MX <= .794 mg/L all year
001Flow [dry weather]DAILY AV <= .068 MGD all year
001Flow [dry weather]DAILY MX <= .19 MGD all year
0013,4-BenzofluorantheneDAILY MX <= .048 mg/L all year
001ChloroethaneDAILY MX <= .295 mg/L 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