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La Villa, City of

Sewage treatment plant, La Villa, Texas. NPDES permit TX0133302 expired May 25, 2026; its limits still apply. Last 12 months: over a limit 11 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (18 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
5 values over a limit, 0 required values missing, 1 of 12 reports late

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

Period endingParameterReportedLimitOver by
February 2026Nitrogen, ammonia total [as N], daily average3.1 mg/L≤ 3 mg/L3%
May 2026Flow, in conduit or thru treatment plant, daily average.237 MGD≤ .2 MGD19%
May 2026Nitrogen, ammonia total [as N], daily average10.64 lb/d≤ 5 lb/d113%
May 2026Nitrogen, ammonia total [as N], daily average5.45 mg/L≤ 3 mg/L82%
June 2026Flow, in conduit or thru treatment plant, daily average.22 MGD≤ .2 MGD10%
June 2026Nitrogen, ammonia total [as N], daily average3.9 mg/L≤ 3 mg/L30%
June 2026Nitrogen, ammonia total [as N], daily average7.9 lb/d≤ 5 lb/d58%
July 2026Nitrogen, ammonia total [as N], daily average3.91 mg/L≤ 3 mg/L30%
July 2026Nitrogen, ammonia total [as N], daily average5.7 lb/d≤ 5 lb/d14%
August 2026Nitrogen, ammonia total [as N], daily average5.4 mg/L≤ 3 mg/L80%
August 2026Nitrogen, ammonia total [as N], daily average8.02 lb/d≤ 5 lb/d60%

Limits in force (18)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]monthly minimum≥ 4 mg/Lall 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≤ 25 lb/dall year
Nitrogen, ammonia total [as N]daily average≤ 3 mg/Lall year
Nitrogen, ammonia total [as N]single grab sample≤ 15 mg/Lall year
Nitrogen, ammonia total [as N]daily average≤ 5 lb/dall year
Flow, in conduit or thru treatment plantdaily average≤ .2 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
BOD, carbonaceous [5 day, 20 C]daily average≤ 10 mg/Lall year
BOD, carbonaceous [5 day, 20 C]single grab sample≤ 35 mg/Lall year
BOD, carbonaceous [5 day, 20 C]daily average≤ 17 lb/dall 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/TX0133302 · MCP: https://passage-data.com/mcp