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Waelder, City of

Sewage treatment plant, Waelder, Texas. NPDES permit TX0034452, in force until Mar 22, 2029. Last 12 months: over a limit 15 times (last July 2026), 24 required values missing, 5 of 10 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (12 values)
Last report on file
July 2026
Oct 2024 – Sep 2025
18 values over a limit, 72 required values missing, 8 of 12 reports late

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

All 15 values over a limit
Period endingParameterReportedLimitOver by
December 2025E. coli, daily average756 CFU/100mL≤ 126 CFU/100mL500%
December 2025E. coli, single grab sample756 CFU/100mL≤ 399 CFU/100mL89%
December 2025Solids, total suspended, daily average114 mg/L≤ 90 mg/L27%
January 2026pH, maximum9.3 SU≤ 9 SU—
April 2026Oxygen, dissolved [DO], monthly minimum3.4 mg/L≥ 4 mg/L15%
April 2026Solids, total suspended, daily average122 mg/L≤ 90 mg/L36%
April 2026pH, maximum9.5 SU≤ 9 SU—
April 2026pH, minimum4.5 SU≥ 6 SU—
May 2026Oxygen, dissolved [DO], monthly minimum3 mg/L≥ 4 mg/L25%
July 2026BOD, 5-day, 20 deg. C, daily average121.71 lb/d≤ 75 lb/d62%
July 2026BOD, 5-day, 20 deg. C, daily average150.5 mg/L≤ 30 mg/L402%
July 2026BOD, 5-day, 20 deg. C, single grab sample300 mg/L≤ 100 mg/L200%
July 2026E. coli, daily average150 CFU/100mL≤ 126 CFU/100mL19%
July 2026Oxygen, dissolved [DO], monthly minimum1.4 mg/L≥ 4 mg/L65%
July 2026pH, maximum9.4 SU≤ 9 SU—

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/TX0034452 · MCP: https://passage-data.com/mcp