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Stockdale, City of

Sewage treatment plant, Stockdale, Texas. NPDES permit TX0054232, in force until Mar 21, 2030. Last 12 months: over a limit 19 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

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

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

All 19 values over a limit
Period endingParameterReportedLimitOver by
October 2025BOD, 5-day, 20 deg. C, daily average38.25 mg/L≤ 30 mg/L28%
November 2025Solids, total suspended, daily average110 mg/L≤ 90 mg/L22%
December 2025BOD, 5-day, 20 deg. C, daily average37 mg/L≤ 30 mg/L23%
December 2025E. coli, daily average174 CFU/100mL≤ 126 CFU/100mL38%
December 2025Solids, total suspended, daily average114.6 mg/L≤ 90 mg/L27%
January 2026BOD, 5-day, 20 deg. C, daily average43.8 mg/L≤ 30 mg/L46%
January 2026E. coli, daily average275 CFU/100mL≤ 126 CFU/100mL118%
January 2026Solids, total suspended, daily average127.8 mg/L≤ 90 mg/L42%
February 2026BOD, 5-day, 20 deg. C, daily average34.25 mg/L≤ 30 mg/L14%
February 2026Solids, total suspended, daily average136.5 mg/L≤ 90 mg/L52%
March 2026Solids, total suspended, daily average130 mg/L≤ 90 mg/L44%
April 2026E. coli, daily average456 CFU/100mL≤ 126 CFU/100mL262%
April 2026E. coli, single grab sample2419 CFU/100mL≤ 399 CFU/100mL506%
April 2026Solids, total suspended, daily average126 mg/L≤ 90 mg/L40%
May 2026E. coli, daily average383 CFU/100mL≤ 126 CFU/100mL204%
May 2026E. coli, single grab sample980 CFU/100mL≤ 399 CFU/100mL146%
May 2026Solids, total suspended, daily average98 mg/L≤ 90 mg/L9%
July 2026Solids, total suspended, daily average101 mg/L≤ 90 mg/L12%
August 2026Solids, total suspended, daily average117.8 mg/L≤ 90 mg/L31%

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≤ 75 lb/dall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendeddaily average≤ 90 mg/Lall year
Solids, total suspendeddaily average≤ 225 lb/dall year
Flow, in conduit or thru treatment plantdaily average≤ .3 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.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/TX0054232 · MCP: https://passage-data.com/mcp