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Mart, City of

Sewage treatment plant, Mclennan County, Texas. NPDES permit TX0026051, in force until Jan 3, 2029. Last 12 months: over a limit 35 times (last July 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
6 values over a limit, 0 required values missing, 2 of 12 reports late

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

All 35 values over a limit
Period endingParameterReportedLimitOver by
October 2025Solids, total suspended, daily average18.2 mg/L≤ 15 mg/L21%
November 2025BOD, 5-day, 20 deg. C, daily average14.75 mg/L≤ 10 mg/L48%
November 2025Solids, total suspended, daily average27 mg/L≤ 15 mg/L80%
December 2025BOD, 5-day, 20 deg. C, daily average14.6 mg/L≤ 10 mg/L46%
December 2025BOD, 5-day, 20 deg. C, single grab sample39 mg/L≤ 35 mg/L11%
December 2025Solids, total suspended, daily average38.6 mg/L≤ 15 mg/L157%
January 2026BOD, 5-day, 20 deg. C, daily average35.8 mg/L≤ 10 mg/L258%
January 2026BOD, 5-day, 20 deg. C, single grab sample66 mg/L≤ 35 mg/L89%
January 2026E. coli, daily average2420 CFU/100mL≤ 126 CFU/100mL1821%
January 2026E. coli, single grab sample2420 CFU/100mL≤ 399 CFU/100mL507%
January 2026Solids, total suspended, daily average47.8 mg/L≤ 15 mg/L219%
February 2026BOD, 5-day, 20 deg. C, daily average45.8 lb/d≤ 29 lb/d58%
February 2026BOD, 5-day, 20 deg. C, daily average72 mg/L≤ 10 mg/L620%
February 2026BOD, 5-day, 20 deg. C, single grab sample110 mg/L≤ 35 mg/L214%
February 2026Solids, total suspended, daily average50.25 mg/L≤ 15 mg/L235%
February 2026Solids, total suspended, single grab sample70 mg/L≤ 60 mg/L17%
March 2026BOD, 5-day, 20 deg. C, daily average33.7 lb/d≤ 29 lb/d16%
March 2026BOD, 5-day, 20 deg. C, daily average42 mg/L≤ 10 mg/L320%
March 2026BOD, 5-day, 20 deg. C, single grab sample53 mg/L≤ 35 mg/L51%
March 2026E. coli, daily average2410 CFU/100mL≤ 126 CFU/100mL1813%
March 2026E. coli, single grab sample2410 CFU/100mL≤ 399 CFU/100mL504%
March 2026Solids, total suspended, daily average44.75 mg/L≤ 15 mg/L198%
April 2026BOD, 5-day, 20 deg. C, daily average31.2 mg/L≤ 10 mg/L212%
April 2026BOD, 5-day, 20 deg. C, daily average44.8 lb/d≤ 29 lb/d54%
April 2026BOD, 5-day, 20 deg. C, single grab sample64 mg/L≤ 35 mg/L83%
April 2026E. coli, daily average3630 CFU/100mL≤ 126 CFU/100mL2781%
April 2026E. coli, single grab sample> 4840 CFU/100mL≤ 399 CFU/100mL—
April 2026Solids, total suspended, daily average44.8 mg/L≤ 15 mg/L199%
April 2026Solids, total suspended, single grab sample68 mg/L≤ 60 mg/L13%
May 2026E. coli, daily average> 2420 CFU/100mL≤ 126 CFU/100mL—
May 2026E. coli, single grab sample> 2420 CFU/100mL≤ 399 CFU/100mL—
June 2026E. coli, daily average2130 CFU/100mL≤ 126 CFU/100mL1590%
June 2026E. coli, single grab sample> 2420 CFU/100mL≤ 399 CFU/100mL—
July 2026E. coli, daily average3630 CFU/100mL≤ 126 CFU/100mL2781%
July 2026E. coli, single grab sample> 4840 CFU/100mL≤ 399 CFU/100mL—

Limits in force (15)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]monthly minimum≥ 5 mg/Lall year
BOD, 5-day, 20 deg. Cdaily average≤ 10 mg/Lall year
BOD, 5-day, 20 deg. Csingle grab sample≤ 35 mg/Lall year
BOD, 5-day, 20 deg. Cdaily average≤ 29 lb/dall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendeddaily average≤ 15 mg/Lall year
Solids, total suspendedsingle grab sample≤ 60 mg/Lall year
Solids, total suspendeddaily average≤ 44 lb/dall year
Flow, in conduit or thru treatment plantdaily average≤ .35 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. colisingle grab sample≤ 399 CFU/100mLall year

How strict are these limits?

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/TX0026051 · MCP: https://passage-data.com/mcp