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Fort Bend County Municipal Utility District No 134A

Sewage treatment plant, Richmond, Texas. NPDES permit TX0128791, in force until Apr 24, 2030. Last 12 months: over a limit 7 times (last July 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
17 values over a limit, 0 required values missing, 0 of 12 reports late

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

Period endingParameterReportedLimitOver by
January 2026E. coli, daily average2420 CFU/100mL≤ 126 CFU/100mL1821%
January 2026E. coli, daily maximum2420 CFU/100mL≤ 399 CFU/100mL507%
June 2026Flow, in conduit or thru treatment plant, daily average.661 MGD≤ .6 MGD10%
June 2026Nitrogen, ammonia total [as N], daily average10.3 lb/d≤ 10 lb/d3%
June 2026Nitrogen, ammonia total [as N], daily average2.66 mg/L≤ 2 mg/L33%
June 2026Nitrogen, ammonia total [as N], daily maximum15.2 mg/L≤ 10 mg/L52%
July 2026Flow, in conduit or thru treatment plant, daily average.627 MGD≤ .6 MGD5%

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≤ 15 mg/Lall year
Solids, total suspendeddaily maximum≤ 40 mg/Lall year
Solids, total suspendeddaily average≤ 75 lb/dall year
Nitrogen, ammonia total [as N]daily average≤ 2 mg/Lall year
Nitrogen, ammonia total [as N]daily maximum≤ 10 mg/Lall year
Nitrogen, ammonia total [as N]daily average≤ 10 lb/dall year
Flow, in conduit or thru treatment plantdaily average≤ .6 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. colidaily maximum≤ 399 CFU/100mLall year
BOD, carbonaceous [5 day, 20 C]daily average≤ 7 mg/Lall year
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 22 mg/Lall year
BOD, carbonaceous [5 day, 20 C]daily average≤ 35 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/TX0128791 · MCP: https://passage-data.com/mcp