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White Rock Homeowners Association Inc

Sewerage Systems, Corsicana, Texas. NPDES permit TX0139009, in force until Dec 10, 2029. Last 12 months: over a limit 2 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (13 values), form Q quarterly (2 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
10 values over a limit, 0 required values missing, 4 of 16 reports late

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

Period endingParameterReportedLimit
June 2026E. coli, daily average> 1 MPN/100mL≤ 126 MPN/100mL
June 2026E. coli, single grab sample> 1 MPN/100mL≤ 399 MPN/100mL

Limits in force (15)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum≥ 4 mg/Lall year
BOD, 5-day, 20 deg. Cdaily average≤ 10 mg/Lall year
BOD, 5-day, 20 deg. Csingle grab sample≤ 35 mg/Lall year
BOD, 5-day, 20 deg. Cdaily average≤ .7 lb/dall 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 lb/dall year
Flow, in conduit or thru treatment plantdaily average≤ .008 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

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/TX0139009 · MCP: https://passage-data.com/mcp