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Smiley, City of

Sewage treatment plant, Smiley, Texas. NPDES permit TX0069809 expired May 29, 2025; its limits still apply. Last 12 months: over a limit 6 times (last September 2026), 1 of 12 reports late. 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
5 values over a limit, 0 required values missing, 3 of 12 reports late

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

Period endingParameterReportedLimitOver by
January 2026E. coli, single grab sample≥ 1800 CFU/100mL≤ 399 CFU/100mL351%
February 2026BOD, 5-day, 20 deg. C, single grab sample126 mg/L≤ 100 mg/L26%
February 2026E. coli, single grab sample4100 CFU/100mL≤ 399 CFU/100mL928%
May 2026BOD, 5-day, 20 deg. C, single grab sample271 mg/L≤ 100 mg/L171%
September 2026E. coli, single grab sample990 CFU/100mL≤ 399 CFU/100mL148%
September 2026pH, maximum10 SU≤ 9 SU—

Limits in force (15)

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≤ 11 lb/dall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendeddaily average≤ 90 mg/Lall year
Solids, total suspendeddaily average≤ 32 lb/dall year
Nitrogen, ammonia total [as N]daily averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]single grab samplereport only (mg/L)all year
Nitrogen, ammonia total [as N]daily averagereport only (lb/d)all year
Flow, in conduit or thru treatment plantdaily average≤ .042 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

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/TX0069809 · MCP: https://passage-data.com/mcp