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Midway Water Utilities Inc

Sewerage Systems, Tomball, Texas. NPDES permit TX0090344, in force until Jul 5, 2028. Last 12 months: over a limit 10 times (last July 2026), 1 of 15 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (16 values), form Q quarterly
Renewal application due
Jan 7, 2028 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
7 values over a limit, 0 required values missing, 2 of 16 reports late

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

Period endingParameterReportedLimitOver by
October 2025E. coli, colony forming units [CFU], single grab sample2419 CFU/100mL≤ 200 CFU/100mL1110%
November 2025Flow, in conduit or thru treatment plant, daily average.032 MGD≤ .0154 MGD108%
November 2025Nitrogen, ammonia total [as N], daily average1.87 lb/d≤ .4 lb/d368%
November 2025Solids, total suspended, daily average2.1 lb/d≤ 1.9 lb/d11%
December 2025BOD, carbonaceous [5 day, 20 C], daily average3.7 lb/d≤ 1.3 lb/d185%
December 2025Flow, in conduit or thru treatment plant, daily average.0286 MGD≤ .0154 MGD86%
December 2025Solids, total suspended, daily average3.1 lb/d≤ 1.9 lb/d63%
April 2026Nitrogen, ammonia total [as N], daily average3.75 mg/L≤ 3 mg/L25%
May 2026Oxygen, dissolved [DO], monthly minimum3.2 mg/L≥ 4 mg/L20%
July 2026Oxygen, dissolved [DO], monthly minimum2.5 mg/L≥ 4 mg/L38%

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 suspendedsingle grab sample≤ 60 mg/Lall year
Solids, total suspendeddaily average≤ 1.9 lb/dall year
Nitrogen, ammonia total [as N]daily average≤ 3 mg/Lall year
Nitrogen, ammonia total [as N]single grab sample≤ 15 mg/Lall year
Nitrogen, ammonia total [as N]daily average≤ .4 lb/dall year
Flow, in conduit or thru treatment plantdaily average≤ .0154 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. coli, colony forming units [CFU]daily average≤ 63 CFU/100mLall year
E. coli, colony forming units [CFU]single grab sample≤ 200 CFU/100mLall year
BOD, carbonaceous [5 day, 20 C]daily average≤ 10 mg/Lall year
BOD, carbonaceous [5 day, 20 C]single grab sample≤ 35 mg/Lall year
BOD, carbonaceous [5 day, 20 C]daily average≤ 1.3 lb/dall year

How strict are these limits?

Cited limits by parameter: Texas's rules and the federal ones.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/TX0090344 · MCP: https://passage-data.com/mcp