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Randolph Water Supply Corporation

Sewerage Systems, Randolph, Texas. NPDES permit TX0027928 expired Jul 8, 2026; its limits still apply. Last 12 months: over a limit 21 times (last September 2026), 2 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

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

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

All 21 values over a limit
Period endingParameterReportedLimitOver by
October 2025BOD, 5-day, 20 deg. C, daily average6.8269 lb/d≤ 5.5 lb/d24%
October 2025Oxygen, dissolved [DO], monthly minimum3.2 mg/L≥ 4 mg/L20%
November 2025E. coli, daily average461 CFU/100mL≤ 126 CFU/100mL266%
November 2025E. coli, single grab sample461 CFU/100mL≤ 399 CFU/100mL16%
December 2025E. coli, daily average2420 CFU/100mL≤ 126 CFU/100mL1821%
December 2025E. coli, single grab sample2420 CFU/100mL≤ 399 CFU/100mL507%
January 2026BOD, 5-day, 20 deg. C, daily average41 mg/L≤ 30 mg/L37%
January 2026E. coli, daily average435 CFU/100mL≤ 126 CFU/100mL245%
January 2026E. coli, single grab sample435 CFU/100mL≤ 399 CFU/100mL9%
March 2026BOD, 5-day, 20 deg. C, daily average6.7304 lb/d≤ 5.5 lb/d22%
April 2026BOD, 5-day, 20 deg. C, daily average152 mg/L≤ 30 mg/L407%
April 2026BOD, 5-day, 20 deg. C, single grab sample729 mg/L≤ 100 mg/L629%
April 2026E. coli, daily average1300 CFU/100mL≤ 126 CFU/100mL932%
April 2026E. coli, single grab sample1300 CFU/100mL≤ 399 CFU/100mL226%
April 2026Solids, total suspended, daily average24.3372 lb/d≤ 16 lb/d52%
June 2026E. coli, daily average326 CFU/100mL≤ 126 CFU/100mL159%
June 2026Flow, in conduit or thru treatment plant, daily average.0265 MGD≤ .0218 MGD22%
July 2026E. coli, daily average272 CFU/100mL≤ 126 CFU/100mL116%
July 2026Oxygen, dissolved [DO], monthly minimum3.9 mg/L≥ 4 mg/L3%
August 2026Solids, total suspended, daily average21.6615 lb/d≤ 16 lb/d35%
September 2026Oxygen, dissolved [DO], monthly minimum.3 mg/L≥ 4 mg/L93%

Limits in force (12)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]monthly minimum≥ 4 mg/Lall year
BOD, 5-day, 20 deg. Cdaily average≤ 30 mg/Lall year
BOD, 5-day, 20 deg. Csingle grab sample≤ 100 mg/Lall year
BOD, 5-day, 20 deg. Cdaily average≤ 5.5 lb/dall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendeddaily average≤ 90 mg/Lall year
Solids, total suspendeddaily average≤ 16 lb/dall year
Flow, in conduit or thru treatment plantdaily average≤ .0218 MGDall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
E. colidaily average≤ 126 CFU/100mLall year
E. colisingle grab sample≤ 399 CFU/100mLall 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/TX0027928 · MCP: https://passage-data.com/mcp