Passage Data · Check a report · Use it from your AI

Waller County Mud 19

Sewage treatment plant, Brookshire, Texas. NPDES permit TX0139149, in force until Feb 14, 2030. Last 12 months: over a limit 9 times (last March 2026). 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
3 values over a limit, 14 required values missing, 0 of 12 reports late

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

Period endingParameterReportedLimitOver by
October 2025Nitrogen, ammonia total [as N], daily average7.51 mg/L≤ 2 mg/L276%
October 2025Nitrogen, ammonia total [as N], single grab sample24 mg/L≤ 15 mg/L60%
October 2025Solids, total suspended, daily average6.98 mg/L≤ 5 mg/L40%
December 2025pH, minimum3.41 SU≥ 6 SU—
January 2026Nitrogen, ammonia total [as N], daily average< 2.18 mg/L≤ 2 mg/L9%
January 2026pH, minimum3.26 SU≥ 6 SU—
February 2026Solids, total suspended, daily average< 5.74 mg/L≤ 5 mg/L15%
February 2026pH, minimum3.53 SU≥ 6 SU—
March 2026pH, minimum5.49 SU≥ 6 SU—

Limits in force (18)

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≤ 7.6 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 lb/dall year
Flow, in conduit or thru treatment plantdaily average≤ .183 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≤ 7.6 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

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/TX0139149 · MCP: https://passage-data.com/mcp