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La Joya, City of

Sewage treatment plant, major discharger, La Joya, Texas. NPDES permit TX0127337, in force until Jul 22, 2031. Last 12 months: over a limit 14 times (last September 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form B monthly (12 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
26 values over a limit, 60 required values missing, 4 of 12 reports late

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

All 14 values over a limit
Period endingParameterReportedLimitOver by
October 2025BOD, 5-day, 20 deg. C, daily average59.3 mg/L≤ 30 mg/L98%
October 2025BOD, 5-day, 20 deg. C, daily average89.4 lb/d≤ 88 lb/d2%
October 2025E. coli, daily average416.25 CFU/100mL≤ 126 CFU/100mL230%
October 2025E. coli, single grab sample770.1 CFU/100mL≤ 399 CFU/100mL93%
October 2025Solids, total suspended, daily average111.28 mg/L≤ 90 mg/L24%
November 2025E. coli, daily average433.7 CFU/100mL≤ 126 CFU/100mL244%
November 2025E. coli, single grab sample866.4 CFU/100mL≤ 399 CFU/100mL117%
December 2025E. coli, daily average460.9 CFU/100mL≤ 126 CFU/100mL266%
December 2025E. coli, single grab sample920.8 CFU/100mL≤ 399 CFU/100mL131%
February 2026BOD, 5-day, 20 deg. C, daily average35.05 mg/L≤ 30 mg/L17%
February 2026E. coli, daily average289.55 CFU/100mL≤ 126 CFU/100mL130%
April 2026Solids, total suspended, daily average94.6 mg/L≤ 90 mg/L5%
May 2026BOD, 5-day, 20 deg. C, daily average42.97 mg/L≤ 30 mg/L43%
September 2026BOD, 5-day, 20 deg. C, daily average36.8 mg/L≤ 30 mg/L23%

Limits in force (12)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]monthly minimum≥ 4 mg/Lall year
BOD, 5-day, 20 deg. Cdaily average≤ 30 mg/Lall year
BOD, 5-day, 20 deg. Csingle grab sample≤ 100 mg/Lall year
BOD, 5-day, 20 deg. Cdaily average≤ 88 lb/dall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendeddaily average≤ 90 mg/Lall year
Solids, total suspendeddaily average≤ 263 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
E. colidaily average≤ 126 CFU/100mLall year
E. colisingle grab sample≤ 399 CFU/100mLall year

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/TX0127337 · MCP: https://passage-data.com/mcp