ENTERPRISE PRODUCTS OPERATING LLC

NPDES permit TX0133175 · Minor NON-POTW · effective, expires 2029-04-04 · 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 11 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 (14)

OutfallParameterStatisticLimitMonths
001Oxygen demand, chem. [high level] [COD]DAILY AV <= 150 mg/L all year
001Oxygen demand, chem. [high level] [COD]DAILY MX <= 200 mg/L all year
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
001Copper, total [as Cu]DAILY AV <= .0259 mg/L all year
001Copper, total [as Cu]DAILY MX <= .0548 mg/L all year
001Flow, in conduit or thru treatment plantDAILY AV <= .028 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX <= .03 MGD all year
001Chlorine, free availableDAILY AV <= .2 mg/L all year
001Chlorine, free availableDAILY MX <= .5 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