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Port Arthur, City of

Sewage treatment plant, Sabine Pass, Texas. NPDES permit TX0024201, in force until Feb 28, 2029. Last 12 months: over a limit 19 times (last September 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (15 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
22 values over a limit, 0 required values missing, 0 of 12 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

All 19 values over a limit
Period endingParameterReportedLimitOver by
October 2025Enterococci, single grab sample198.9 CFU/100mL≤ 104 CFU/100mL91%
October 2025Flow, in conduit or thru treatment plant, daily average.4 MGD≤ .3 MGD33%
December 2025Solids, total suspended, daily average33 mg/L≤ 20 mg/L65%
January 2026Solids, total suspended, daily average31 mg/L≤ 20 mg/L55%
January 2026Solids, total suspended, daily average64.2 lb/d≤ 50 lb/d28%
February 2026Solids, total suspended, daily average24 mg/L≤ 20 mg/L20%
March 2026Enterococci, single grab sample235.9 CFU/100mL≤ 104 CFU/100mL127%
March 2026Solids, total suspended, daily average24.1 mg/L≤ 20 mg/L21%
April 2026Enterococci, daily average58.2 CFU/100mL≤ 35 CFU/100mL66%
April 2026Enterococci, single grab sample260.3 CFU/100mL≤ 104 CFU/100mL150%
April 2026Solids, total suspended, daily average38.2 mg/L≤ 20 mg/L91%
April 2026Solids, total suspended, daily average91.5 lb/d≤ 50 lb/d83%
May 2026Solids, total suspended, daily average21.7 mg/L≤ 20 mg/L9%
June 2026Enterococci, daily average44.4 CFU/100mL≤ 35 CFU/100mL27%
June 2026Enterococci, single grab sample193.5 CFU/100mL≤ 104 CFU/100mL86%
June 2026Solids, total suspended, daily average28.4 mg/L≤ 20 mg/L42%
June 2026Solids, total suspended, daily average56.3 lb/d≤ 50 lb/d13%
July 2026Solids, total suspended, daily average29.9 mg/L≤ 20 mg/L50%
September 2026Solids, total suspended, daily average24.6 mg/L≤ 20 mg/L23%

Limits in force (15)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]monthly minimum≥ 2 mg/Lall year
BOD, 5-day, 20 deg. Cdaily average≤ 20 mg/Lall year
BOD, 5-day, 20 deg. Csingle grab sample≤ 65 mg/Lall year
BOD, 5-day, 20 deg. Cdaily average≤ 50 lb/dall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendeddaily average≤ 20 mg/Lall year
Solids, total suspendedsingle grab sample≤ 65 mg/Lall year
Solids, total suspendeddaily average≤ 50 lb/dall year
Flow, in conduit or thru treatment plantdaily average≤ .3 MGDall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualinstantaneous maximum< .1 mg/Lall year
Chlorine, total residualmonthly minimum≥ 1 mg/Lall year
Enterococcidaily average≤ 35 CFU/100mLall year
Enterococcisingle grab sample≤ 104 CFU/100mLall year

How strict are these limits?

Cited limits by parameter: Texas's rules and the federal ones.

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/TX0024201 · MCP: https://passage-data.com/mcp