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Willow Creek Farms Mud

Sewage treatment plant, Waller County, Texas. NPDES permit TX0128236 expired Jul 2, 2025; its limits still apply. Last 12 months: no values over a limit, 1 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (18 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 2 required values missing, 1 of 12 reports late

Limits in force (18)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]monthly minimum≥ 6 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≤ 20 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≤ 8 lb/dall year
Flow, in conduit or thru treatment plantdaily average≤ .48 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≤ 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≤ 20 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/TX0128236 · MCP: https://passage-data.com/mcp