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Franklin, City of

Sewage treatment plant, Franklin, Texas. NPDES permit TX0021318, in force until Apr 3, 2029. Last 12 months: over a limit 9 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (17 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
13 values over a limit, 0 required values missing, 0 of 12 reports late

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

Period endingParameterReportedLimitOver by
October 2025BOD, carbonaceous [5 day, 20 C], daily average33.45 mg/L≤ 30 mg/L12%
October 2025Solids, total suspended, daily average106.45 mg/L≤ 90 mg/L18%
October 2025pH, maximum9.2 SU≤ 9 SU—
November 2025BOD, carbonaceous [5 day, 20 C], daily average40.825 mg/L≤ 30 mg/L36%
December 2025Nitrogen, ammonia total [as N], daily average6.62 mg/L≤ 6 mg/L10%
February 2026pH, maximum9.2 SU≤ 9 SU—
April 2026Solids, total suspended, daily average94.225 mg/L≤ 90 mg/L5%
May 2026pH, maximum9.5 SU≤ 9 SU—
August 2026Solids, total suspended, daily average103 mg/L≤ 90 mg/L14%

Limits in force (17)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]monthly minimum≥ 4 mg/Lall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendeddaily average≤ 90 mg/Lall year
Solids, total suspendeddaily average≤ 225 lb/dall year
Nitrogen, ammonia total [as N]daily average≤ 6 mg/Lall year
Nitrogen, ammonia total [as N]single grab sample≤ 15 mg/Lall year
Nitrogen, ammonia total [as N]daily average≤ 15 lb/dall year
Flow, in conduit or thru treatment plantdaily average≤ .3 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
BOD, carbonaceous [5 day, 20 C]daily average≤ 30 mg/Lall year
BOD, carbonaceous [5 day, 20 C]single grab sample≤ 100 mg/Lall year
BOD, carbonaceous [5 day, 20 C]daily average≤ 75 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/TX0021318 · MCP: https://passage-data.com/mcp