ENTERPRISE PRODUCTS OPERATING LLC

NPDES permit TX0133353 · Minor NON-POTW · effective, expires 2028-05-12 · 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

8values over a limit
0required values missing, on 0 form(s)
0of 22 forms filed late

Last period with anything received: 2026-07-31. Most often over: Chlorine, total residual (5), pH (2), Oxygen demand, chem. [high level] [COD] (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 (14)

OutfallParameterStatisticLimitMonths
001Oxygen demand, chem. [high level] [COD]DAILY MX <= 200 mg/L all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Oil & GreaseDAILY MX <= 15 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 AV <= .2 mg/L all year
001Chlorine, total residualDAILY MX <= .5 mg/L 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
002Flow [dry weather]DAILY AV report only all year
002Flow [dry weather]DAILY MX 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