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Aqua Texas, Inc.

Sewerage Systems, Tarrant County, Texas. NPDES permit TX0119687, in force until Jan 14, 2027. Last 12 months: over a limit 21 times (last September 2026), 2 required values missing, 1 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (24 values)
Renewal application due
Jul 18, 2026 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
29 values over a limit, 0 required values missing, 0 of 12 reports late

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

All 21 values over a limit
Period endingParameterReportedLimitOver by
December 2025Nitrogen, ammonia total [as N], daily average11.4 mg/L≤ 2 mg/L470%
December 2025Nitrogen, ammonia total [as N], daily average13.7 lb/d≤ 3.8 lb/d261%
December 2025Nitrogen, ammonia total [as N], single grab sample19.8 mg/L≤ 15 mg/L32%
January 2026BOD, carbonaceous [5 day, 20 C], daily average5.5 mg/L≤ 5 mg/L10%
January 2026Nitrate nitrogen, dry weight, daily average5.18 mg/L≤ 5 mg/L4%
January 2026Nitrogen, ammonia total [as N], daily average2.67 mg/L≤ 2 mg/L34%
January 2026Solids, total suspended, daily average9.2 mg/L≤ 5 mg/L84%
March 2026Solids, total suspended, daily average8.33 mg/L≤ 5 mg/L67%
April 2026BOD, carbonaceous [5 day, 20 C], daily average5.25 mg/L≤ 5 mg/L5%
July 2026Chlorine, total residual, monthly maximum8.97 mg/L≤ 4 mg/L124%
July 2026Chlorine, total residual, monthly minimum.062 mg/L≥ 1 mg/L94%
July 2026E. coli, daily average2420 CFU/100mL≤ 126 CFU/100mL1821%
July 2026E. coli, single grab sample2420 CFU/100mL≤ 399 CFU/100mL507%
July 2026Nitrogen, ammonia total [as N], daily average5.33 mg/L≤ 2 mg/L167%
July 2026Nitrogen, ammonia total [as N], single grab sample29.8 mg/L≤ 15 mg/L99%
July 2026Phosphorus, total [as P], daily average1.27 mg/L≤ 1 mg/L27%
July 2026Phosphorus, total [as P], single grab sample9.63 mg/L≤ 6 mg/L61%
July 2026Solids, total suspended, daily average5.64 mg/L≤ 5 mg/L13%
July 2026Solids, total suspended, single grab sample31 mg/L≤ 30 mg/L3%
September 2026E. coli, daily average353 CFU/100mL≤ 126 CFU/100mL180%
September 2026E. coli, single grab sample1410 CFU/100mL≤ 399 CFU/100mL253%

Limits in force (24)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]monthly minimum≥ 5 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≤ 9.4 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≤ 3.8 lb/dall year
Nitrate nitrogen, dry weightdaily average≤ 5 mg/Lall year
Nitrate nitrogen, dry weightsingle grab sample≤ 15 mg/Lall year
Nitrate nitrogen, dry weightdaily average≤ 9.4 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≤ 1.9 lb/dall year
Flow, in conduit or thru treatment plantdaily average≤ .225 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
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≤ 9.4 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/TX0119687 · MCP: https://passage-data.com/mcp