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Sam Houston Area Council Bsa

Sewerage Systems, San Jacinto County, Texas. NPDES permit TX0136948 expired Mar 17, 2025; its limits still apply. Last 12 months: over a limit 7 times (last June 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 (2 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
7 values over a limit, 3 required values missing, 2 of 16 reports late

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

Period endingParameterReportedLimitOver by
December 2025Nitrogen, ammonia total [as N], daily average11.4 mg/L≤ 3 mg/L280%
December 2025Nitrogen, ammonia total [as N], single grab sample56.6 mg/L≤ 15 mg/L277%
May 2026Solids, total suspended, daily average16.767 mg/L≤ 15 mg/L12%
May 2026pH, minimum4.8 SU≥ 6 SU—
June 2026Nitrogen, ammonia total [as N], daily average8.325 mg/L≤ 3 mg/L178%
June 2026Nitrogen, ammonia total [as N], single grab sample31.6 mg/L≤ 15 mg/L111%
June 2026Solids, total suspended, daily average18.3 mg/L≤ 15 mg/L22%

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≤ 6 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≤ 1.2 lb/dall year
Flow, in conduit or thru treatment plantdaily average≤ .048 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≤ 4 lb/dall 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/TX0136948 · MCP: https://passage-data.com/mcp