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Sweeny, City of

Sewage treatment plant, Sweeny, Texas. NPDES permit TX0024511, in force until Mar 10, 2030. Last 12 months: over a limit 13 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

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

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

All 13 values over a limit
Period endingParameterReportedLimitOver by
October 2025Chlorine, total residual, monthly minimum.76 mg/L≥ 1 mg/L24%
November 2025Chlorine, total residual, monthly maximum4.8 mg/L≤ 4 mg/L20%
November 2025Chlorine, total residual, monthly minimum.51 mg/L≥ 1 mg/L49%
December 2025Chlorine, total residual, monthly minimum.69 mg/L≥ 1 mg/L31%
January 2026Chlorine, total residual, monthly minimum.58 mg/L≥ 1 mg/L42%
February 2026Chlorine, total residual, monthly minimum.92 mg/L≥ 1 mg/L8%
May 2026Chlorine, total residual, monthly maximum5.02 mg/L≤ 4 mg/L26%
May 2026Chlorine, total residual, monthly minimum.35 mg/L≥ 1 mg/L65%
June 2026Chlorine, total residual, monthly minimum.13 mg/L≥ 1 mg/L87%
June 2026Flow, in conduit or thru treatment plant, daily average1.292 MGD≤ .975 MGD33%
July 2026Chlorine, total residual, monthly maximum4.06 mg/L≤ 4 mg/L2%
July 2026Chlorine, total residual, monthly minimum.25 mg/L≥ 1 mg/L75%
August 2026Chlorine, total residual, monthly maximum4.09 mg/L≤ 4 mg/L2%

Limits in force (15)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]monthly minimum≥ 6 mg/Lall year
BOD, 5-day, 20 deg. Cdaily average≤ 20 mg/Lall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 45 mg/Lall year
BOD, 5-day, 20 deg. Cdaily average≤ 163 lb/dall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendeddaily average≤ 20 mg/Lall year
Solids, total suspendeddaily maximum≤ 45 mg/Lall year
Solids, total suspendeddaily average≤ 163 lb/dall year
Flow, in conduit or thru treatment plantdaily average≤ .975 MGDall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualmonthly minimum≥ 1 mg/Lall year
Chlorine, total residualmonthly maximum≤ 4 mg/Lall year
E. colidaily average≤ 126 CFU/100mLall year
E. colidaily maximum≤ 399 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/TX0024511 · MCP: https://passage-data.com/mcp