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Fort Bend County Mud 184

Sewage treatment plant, Rosenberg, Texas. NPDES permit TX0135747, in force until Nov 8, 2029. Last 12 months: over a limit 20 times (last August 2026), 2 required values missing. Source: EPA ECHO, Oct 22, 2026.

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

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

All 20 values over a limit
Period endingParameterReportedLimitOver by
October 2025BOD, carbonaceous [5 day, 20 C], daily average5.02 mg/L≤ 5 mg/L0%
November 2025BOD, carbonaceous [5 day, 20 C], daily average5.15 mg/L≤ 5 mg/L3%
November 2025Solids, total suspended, daily average11.34 mg/L≤ 5 mg/L127%
December 2025Solids, total suspended, daily average5.7 mg/L≤ 5 mg/L14%
January 2026Nitrogen, ammonia total [as N], daily average1.81 mg/L≤ 1.6 mg/L13%
January 2026Solids, total suspended, daily average10.39 mg/L≤ 5 mg/L108%
February 2026Solids, total suspended, daily average13.96 mg/L≤ 5 mg/L179%
March 2026Solids, total suspended, daily average11.48 mg/L≤ 5 mg/L130%
March 2026Solids, total suspended, single grab sample33 mg/L≤ 30 mg/L10%
April 2026Solids, total suspended, daily average16.38 mg/L≤ 5 mg/L228%
April 2026Solids, total suspended, daily average20.43 lb/d≤ 15 lb/d36%
May 2026Solids, total suspended, daily average5.28 mg/L≤ 5 mg/L6%
June 2026Nitrogen, ammonia total [as N], daily average2.51 mg/L≤ 1.6 mg/L57%
June 2026Nitrogen, ammonia total [as N], daily average4.91 lb/d≤ 4.7 lb/d4%
June 2026Solids, total suspended, daily average6.16 mg/L≤ 5 mg/L23%
July 2026Nitrogen, ammonia total [as N], daily average2.14 mg/L≤ 1.6 mg/L34%
July 2026Solids, total suspended, daily average25.9 mg/L≤ 5 mg/L418%
July 2026Solids, total suspended, daily average30.09 lb/d≤ 15 lb/d101%
July 2026Solids, total suspended, single grab sample120 mg/L≤ 30 mg/L300%
August 2026Nitrogen, ammonia total [as N], daily average1.91 mg/L≤ 1.6 mg/L19%

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≤ 15 lb/dall year
Nitrogen, ammonia total [as N]daily average≤ 1.6 mg/Lall year
Nitrogen, ammonia total [as N]single grab sample≤ 15 mg/Lall year
Nitrogen, ammonia total [as N]daily average≤ 4.7 lb/dall year
Flow, in conduit or thru treatment plantdaily average≤ .35 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≤ 15 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/TX0135747 · MCP: https://passage-data.com/mcp