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Midway Water Utilities Inc

Sewerage Systems, Houston, Texas. NPDES permit TX0032093, in force until Jun 23, 2028. Last 12 months: over a limit 19 times (last August 2026), 2 required values missing, 2 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (18 values)
Renewal application due
Dec 26, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
4 values over a limit, 0 required values missing, 2 of 12 reports late

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

All 19 values over a limit
Period endingParameterReportedLimitOver by
October 2025Flow, in conduit or thru treatment plant, daily average.29 MGD≤ .15 MGD93%
October 2025Nitrogen, ammonia total [as N], daily average22.03 mg/L≤ 3 mg/L634%
October 2025Nitrogen, ammonia total [as N], single grab sample36.1 mg/L≤ 15 mg/L141%
November 2025Nitrogen, ammonia total [as N], single grab sample21.3 mg/L≤ 15 mg/L42%
November 2025Oxygen, dissolved [DO], monthly minimum3.1 mg/L≥ 4 mg/L23%
March 2026E. coli, single grab sample2420 CFU/100mL≤ 200 CFU/100mL1110%
March 2026Flow, in conduit or thru treatment plant, daily average.19 MGD≤ .15 MGD27%
April 2026Flow, in conduit or thru treatment plant, daily average.28 MGD≤ .15 MGD87%
April 2026Solids, total suspended, daily average20.3 lb/d≤ 19 lb/d7%
May 2026Flow, in conduit or thru treatment plant, daily average.27 MGD≤ .15 MGD80%
June 2026Flow, in conduit or thru treatment plant, daily average.37 MGD≤ .15 MGD147%
July 2026E. coli, daily average87 CFU/100mL≤ 63 CFU/100mL38%
July 2026E. coli, single grab sample2420 CFU/100mL≤ 200 CFU/100mL1110%
July 2026Flow, in conduit or thru treatment plant, daily average.27 MGD≤ .15 MGD80%
July 2026Nitrogen, ammonia total [as N], daily average7.21 mg/L≤ 3 mg/L140%
July 2026Nitrogen, ammonia total [as N], single grab sample18.4 mg/L≤ 15 mg/L23%
July 2026Oxygen, dissolved [DO], monthly minimum3 mg/L≥ 4 mg/L25%
July 2026Solids, total suspended, daily average22.2 lb/d≤ 19 lb/d17%
August 2026Flow, in conduit or thru treatment plant, daily average.34 MGD≤ .15 MGD127%

Limits in force (21)

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≤ 19 lb/dall year
Nitrogen, ammonia total [as N]daily average≤ 3 mg/LApr–Oct
Nitrogen, ammonia total [as N]daily average≤ 5 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]single grab sample≤ 15 mg/LApr–Oct
Nitrogen, ammonia total [as N]single grab sample≤ 15 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]daily average≤ 3.8 lb/dApr–Oct
Nitrogen, ammonia total [as N]daily average≤ 6.3 lb/dJan, Feb, Mar, Nov, Dec
Flow, in conduit or thru treatment plantdaily average≤ .15 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≤ 63 CFU/100mLall year
E. colisingle 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≤ 13 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/TX0032093 · MCP: https://passage-data.com/mcp