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Protestant Episcopal Church Council of the Diocese of Texas

Sewerage Systems, Navasota, Texas. NPDES permit TX0118656, in force until Feb 23, 2029. Last 12 months: over a limit 4 times (last August 2026), 3 of 15 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (13 values), form Q quarterly
Last report on file
August 2026
Oct 2024 – Sep 2025
2 values over a limit, 0 required values missing, 3 of 16 reports late

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

Period endingParameterReportedLimitOver by
February 2026Solids, total suspended, daily average20.31 mg/L≤ 20 mg/L2%
February 2026Solids, total suspended, single grab sample110 mg/L≤ 65 mg/L69%
June 2026Solids, total suspended, daily average21.6857 mg/L≤ 20 mg/L8%
August 2026Solids, total suspended, daily average20.56 mg/L≤ 20 mg/L3%

Limits in force (15)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]monthly minimum≥ 2 mg/Lall year
BOD, 5-day, 20 deg. Cdaily average≤ 20 mg/Lall year
BOD, 5-day, 20 deg. Csingle grab sample≤ 65 mg/Lall year
BOD, 5-day, 20 deg. Cdaily average≤ 5.6 lb/dall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendeddaily average≤ 20 mg/Lall year
Solids, total suspendedsingle grab sample≤ 65 mg/Lall year
Solids, total suspendeddaily average≤ 5.6 lb/dall year
Flow, in conduit or thru treatment plantdaily average≤ .0335 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 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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Your permit document is the final word. As JSON: /api/v1/permits/TX0118656 · MCP: https://passage-data.com/mcp