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Aqua Texas Inc

Sewerage Systems, Manor, Texas. NPDES permit TX0117315 expired Oct 15, 2024; its limits still apply. Last 12 months: over a limit 13 times (last August 2026), 7 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (21 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
23 values over a limit, 2 required values missing, 6 of 12 reports late

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

All 13 values over a limit
Period endingParameterReportedLimitOver by
November 2025Nitrogen, ammonia total [as N], daily average3.86 mg/L≤ 2 mg/L93%
November 2025Oxygen, dissolved [DO], monthly minimum1.97 mg/L≥ 4 mg/L51%
December 2025Flow, in conduit or thru treatment plant, daily average.282 MGD≤ .22 MGD28%
December 2025Oxygen, dissolved [DO], monthly minimum2.3 mg/L≥ 4 mg/L43%
February 2026Nitrogen, ammonia total [as N], daily average8.94 mg/L≤ 2 mg/L347%
February 2026Nitrogen, ammonia total [as N], daily average9.2 lb/d≤ 3.7 lb/d149%
February 2026Nitrogen, ammonia total [as N], single grab sample23.7 mg/L≤ 15 mg/L58%
February 2026Oxygen, dissolved [DO], monthly minimum2.76 mg/L≥ 4 mg/L31%
May 2026Phosphorus, total [as P], daily average1.31 mg/L≤ 1 mg/L31%
June 2026E. coli, single grab sample516 MPN/100mL≤ 399 MPN/100mL29%
June 2026Phosphorus, total [as P], daily average3.27 mg/L≤ 1 mg/L227%
June 2026Phosphorus, total [as P], single grab sample7.66 mg/L≤ 6 mg/L28%
August 2026Nitrogen, ammonia total [as N], daily average2.2 mg/L≤ 2 mg/L10%

Limits in force (21)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]monthly minimum≥ 4 mg/Lall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendeddaily average≤ 5 mg/Lall year
Solids, total suspendedsingle grab sample≤ 30 mg/Lall year
Solids, total suspendeddaily average≤ 9.2 lb/dall year
Nitrogen, ammonia total [as N]daily average≤ 2 mg/Lall year
Nitrogen, ammonia total [as N]single grab sample≤ 15 mg/Lall year
Nitrogen, ammonia total [as N]daily average≤ 3.7 lb/dall year
Phosphorus, total [as P]daily average≤ 1 mg/Lall year
Phosphorus, total [as P]single grab sample≤ 6 mg/Lall year
Phosphorus, total [as P]daily average≤ 1.8 lb/dall year
Flow, in conduit or thru treatment plantdaily average≤ .22 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 MPN/100mLall year
E. colisingle grab sample≤ 399 MPN/100mLall year
BOD, carbonaceous [5 day, 20 C]daily average≤ 5 mg/Lall year
BOD, carbonaceous [5 day, 20 C]single grab sample≤ 30 mg/Lall year
BOD, carbonaceous [5 day, 20 C]daily average≤ 9.2 lb/dall 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/TX0117315 · MCP: https://passage-data.com/mcp