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MHP Utility Systems Inc

Sewerage Systems, Pearland, Texas. NPDES permit TX0135283, in force until Jul 9, 2029. Last 12 months: over a limit 6 times (last August 2026), 2 of 16 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (16 values), form Q quarterly
Last report on file
September 2026
Oct 2024 – Sep 2025
10 values over a limit, 2 required values missing, 4 of 16 reports late

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

Period endingParameterReportedLimitOver by
October 2025BOD, carbonaceous [5 day, 20 C], daily average5.8 mg/L≤ 5 mg/L16%
May 2026Nitrogen, ammonia total [as N], daily average1.55 lb/d≤ .82 lb/d89%
May 2026Nitrogen, ammonia total [as N], daily average5.06 mg/L≤ 2 mg/L153%
June 2026Nitrogen, ammonia total [as N], daily average2.4 lb/d≤ .82 lb/d193%
June 2026Nitrogen, ammonia total [as N], daily average8.2 mg/L≤ 2 mg/L310%
August 2026Flow, in conduit or thru treatment plant, daily average.057 MGD≤ .049 MGD16%

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≤ 12 mg/Lall year
Solids, total suspendedsingle grab sample≤ 60 mg/Lall year
Solids, total suspendeddaily average≤ 4.9 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≤ .82 lb/dall year
Flow, in conduit or thru treatment plantdaily average≤ .049 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≤ 2 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/TX0135283 · MCP: https://passage-data.com/mcp