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Texas Water Utilities LP

Water Supply, Graford, Texas. NPDES permit TX0099015, in force until May 16, 2030. Last 12 months: over a limit once (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (15 values), outfall 201 form A monthly (14 values), outfall 001 form Y yearly
Last report on file
August 2026
Oct 2024 – Sep 2025
12 values over a limit, 0 required values missing, 1 of 40 reports late

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

Period endingParameterReportedLimitOver by
June 2026E. coli, daily maximum866 CFU/100mL≤ 399 CFU/100mL117%

Limits in force (31)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cdaily maximum≤ 65 mg/Lall year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendeddaily maximum≤ 80 mg/Lall year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Chloride [as Cl]daily averagereport only (mg/L)all year001
Chloride [as Cl]daily maximumreport only (mg/L)all year001
Copper, total [as Cu]daily average≤ .0668 mg/Lall year001
Copper, total [as Cu]daily maximum≤ .141 mg/Lall year001
Aluminum, total [as Al]daily average≤ .834 mg/Lall year001
Aluminum, total [as Al]daily maximum≤ 1.765 mg/Lall year001
Flow, in conduit or thru treatment plantdaily average≤ .325 MGDall year001
Flow, in conduit or thru treatment plantdaily maximum≤ .65 MGDall year001
Solids, total dissolveddaily average≤ 8000 mg/Lall year001
Solids, total dissolveddaily maximum≤ 9000 mg/Lall year001
Mercury, total [as Hg]daily average≤ .002 mg/Lall year001
Mercury, total [as Hg]daily maximum≤ .004 mg/Lall year001
BOD, 5-day, 20 deg. Cdaily average≤ 20 mg/Lall year201
BOD, 5-day, 20 deg. Cdaily maximum≤ 45 mg/Lall year201
BOD, 5-day, 20 deg. Cdaily average≤ 4.2 lb/dall year201
pHminimum≥ 6 SUall year201
pHmaximum≤ 9 SUall year201
Solids, total suspendeddaily average≤ 20 mg/Lall year201
Solids, total suspendeddaily maximum≤ 45 mg/Lall year201
Solids, total suspendeddaily average≤ 4.2 lb/dall year201
Flow, in conduit or thru treatment plantdaily average≤ .05 MGDall year201
Flow, in conduit or thru treatment plantdaily maximum≤ .1 MGDall year201
Chlorine, total residualmonthly minimum≥ 1 mg/Lall year201
Chlorine, total residualmonthly maximum≤ 4 mg/Lall year201
E. colidaily average≤ 126 CFU/100mLall year201
E. colidaily maximum≤ 399 CFU/100mLall year201

How strict are these limits?

Cited limits by parameter: Texas's rules and the federal ones.

Same industry: the 115 Water Supply permits in Texas.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/TX0099015 · MCP: https://passage-data.com/mcp