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Alvarado Isd

Sewage treatment plant, Alvarado, Texas. NPDES permit TX0119229, in force until Jun 14, 2027. 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 A monthly (13 values), form Q quarterly (2 values)
Renewal application due
Dec 16, 2026 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
4 values over a limit, 0 required values missing, 1 of 16 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 average13 mg/L≤ 10 mg/L30%
October 2025Solids, total suspended, daily average16.25 mg/L≤ 15 mg/L8%
December 2025BOD, 5-day, 20 deg. C, daily average11 mg/L≤ 10 mg/L10%
February 2026BOD, 5-day, 20 deg. C, daily average14.75 mg/L≤ 10 mg/L48%
March 2026BOD, 5-day, 20 deg. C, daily average16.5 mg/L≤ 10 mg/L65%
March 2026BOD, 5-day, 20 deg. C, single grab sample40 mg/L≤ 35 mg/L14%
March 2026Solids, total suspended, daily average15.5 mg/L≤ 15 mg/L3%
April 2026BOD, 5-day, 20 deg. C, daily average21 mg/L≤ 10 mg/L110%
April 2026Solids, total suspended, daily average25.5 mg/L≤ 15 mg/L70%
May 2026BOD, 5-day, 20 deg. C, daily average16.75 mg/L≤ 10 mg/L68%
May 2026Solids, total suspended, daily average19.25 mg/L≤ 15 mg/L28%
August 2026BOD, 5-day, 20 deg. C, daily average12.6 mg/L≤ 10 mg/L26%
August 2026Solids, total suspended, daily average16.6 mg/L≤ 15 mg/L11%
September 2026E. coli, single grab sample1550 CFU/100mL≤ 399 CFU/100mL288%

Limits in force (15)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]monthly minimum≥ 4 mg/Lall year
BOD, 5-day, 20 deg. Cdaily average≤ 10 mg/Lall year
BOD, 5-day, 20 deg. Csingle grab sample≤ 35 mg/Lall year
BOD, 5-day, 20 deg. Cdaily average≤ 2.9 lb/dall 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≤ 4.4 lb/dall year
Flow, in conduit or thru treatment plantdaily average≤ .035 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

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/TX0119229 · MCP: https://passage-data.com/mcp