PORT ARTHUR, CITY OF

NPDES permit TX0024201 · Minor POTW · effective, expires 2029-02-28 · 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

21values over a limit
0required values missing, on 0 form(s)
0of 11 forms filed late

Last period with anything received: 2026-07-31. Most often over: Solids, total suspended (13), Enterococci (6), Flow, in conduit or thru treatment plant (2).

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 (15)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]MO MIN >= 2 mg/L all year
001BOD, 5-day, 20 deg. CDAILY AV <= 20 mg/L all year
001BOD, 5-day, 20 deg. CSINGGRAB <= 65 mg/L all year
001BOD, 5-day, 20 deg. CDAILY AV <= 50 lb/d all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedDAILY AV <= 20 mg/L all year
001Solids, total suspendedSINGGRAB <= 65 mg/L all year
001Solids, total suspendedDAILY AV <= 50 lb/d all year
001Flow, in conduit or thru treatment plantDAILY AV <= .3 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualINST MAX < .1 mg/L all year
001Chlorine, total residualMO MIN >= 1 mg/L all year
001EnterococciDAILY AV <= 35 CFU/100mL all year
001EnterococciSINGGRAB <= 104 CFU/100mL 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