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Florence, City of

Sewage treatment plant, Florence, Texas. NPDES permit TX0078247, in force until May 10, 2029. Last 12 months: over a limit 9 times (last May 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (18 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
18 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
December 2025Solids, total suspended, daily average15.9 mg/L≤ 15 mg/L6%
January 2026E. coli, daily average770 CFU/100mL≤ 126 CFU/100mL511%
January 2026E. coli, single grab sample770 CFU/100mL≤ 399 CFU/100mL93%
January 2026Solids, total suspended, daily average24.5 mg/L≤ 15 mg/L63%
February 2026Solids, total suspended, daily average18.1 mg/L≤ 15 mg/L21%
March 2026E. coli, daily average809 CFU/100mL≤ 126 CFU/100mL542%
March 2026E. coli, single grab sample2420 CFU/100mL≤ 399 CFU/100mL507%
May 2026Flow, in conduit or thru treatment plant, daily average.376 MGD≤ .25 MGD50%
May 2026Solids, total suspended, daily average45.2 lb/d≤ 31 lb/d46%

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≤ 31 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≤ 6.3 lb/dall year
Flow, in conduit or thru treatment plantdaily average≤ .25 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≤ 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≤ 21 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/TX0078247 · MCP: https://passage-data.com/mcp