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Aqua Texas Inc.

Sewerage Systems, Houston, Texas. NPDES permit TX0032034, in force until Aug 29, 2028. Last 12 months: over a limit 4 times (last June 2026), 1 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (18 values)
Renewal application due
Mar 2, 2028 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 12 reports late

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

Period endingParameterReportedLimitOver by
February 2026E. coli, daily average167.4 MPN/100mL≤ 63 MPN/100mL166%
April 2026Flow, in conduit or thru treatment plant, daily average.403 MGD≤ .393 MGD3%
May 2026Flow, in conduit or thru treatment plant, daily average.4604 MGD≤ .393 MGD17%
June 2026Flow, in conduit or thru treatment plant, daily average.5337 MGD≤ .393 MGD36%

Limits in force (21)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]monthly minimum≥ 6 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≤ 49 lb/dall year
Nitrogen, ammonia total [as N]daily average≤ 2 mg/LApr–Oct
Nitrogen, ammonia total [as N]daily average≤ 5 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]single grab sample≤ 15 mg/LApr–Oct
Nitrogen, ammonia total [as N]single grab sample≤ 15 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]daily average≤ 6.6 lb/dApr–Oct
Nitrogen, ammonia total [as N]daily average≤ 16 lb/dJan, Feb, Mar, Nov, Dec
Flow, in conduit or thru treatment plantdaily average≤ .393 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≤ 63 MPN/100mLall year
E. colisingle grab sample≤ 200 MPN/100mLall year
BOD, carbonaceous [5 day, 20 C]daily average≤ 7 mg/Lall year
BOD, carbonaceous [5 day, 20 C]single grab sample≤ 32 mg/Lall year
BOD, carbonaceous [5 day, 20 C]daily average≤ 23 lb/dall 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/TX0032034 · MCP: https://passage-data.com/mcp