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Santa Rosa, City of

Sewage treatment plant, Santa Rosa, Texas. NPDES permit TX0075451 expired Aug 16, 2026; its limits still apply. Last 12 months: over a limit 28 times (last August 2026), 15 required values missing, 3 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (15 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
34 values over a limit, 45 required values missing, 7 of 12 reports late

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

All 28 values over a limit
Period endingParameterReportedLimitOver by
October 2025BOD, 5-day, 20 deg. C, daily average39 mg/L≤ 20 mg/L95%
October 2025BOD, 5-day, 20 deg. C, daily average69 lb/d≤ 65 lb/d6%
October 2025BOD, 5-day, 20 deg. C, single grab sample101 mg/L≤ 65 mg/L55%
October 2025Oxygen, dissolved [DO], monthly minimum.71 mg/L≥ 2 mg/L65%
October 2025Solids, total suspended, daily average37 mg/L≤ 20 mg/L85%
October 2025Solids, total suspended, single grab sample68 mg/L≤ 65 mg/L5%
November 2025E. coli, daily average> 2419.6 CFU/100mL≤ 126 CFU/100mL—
November 2025E. coli, single grab sample> 2419.6 CFU/100mL≤ 399 CFU/100mL—
November 2025Solids, total suspended, daily average23 mg/L≤ 20 mg/L15%
December 2025E. coli, daily average648.8 CFU/100mL≤ 126 CFU/100mL415%
December 2025E. coli, single grab sample648.8 CFU/100mL≤ 399 CFU/100mL63%
December 2025Solids, total suspended, daily average40 mg/L≤ 20 mg/L100%
January 2026Solids, total suspended, daily average26 mg/L≤ 20 mg/L30%
January 2026Solids, total suspended, daily average26 mg/L≤ 20 mg/L30%
March 2026Solids, total suspended, daily average49 mg/L≤ 20 mg/L145%
April 2026Solids, total suspended, daily average40 mg/L≤ 20 mg/L100%
May 2026BOD, 5-day, 20 deg. C, daily average38 mg/L≤ 20 mg/L90%
May 2026Solids, total suspended, daily average33 mg/L≤ 20 mg/L65%
June 2026BOD, 5-day, 20 deg. C, daily average34 mg/L≤ 20 mg/L70%
June 2026BOD, 5-day, 20 deg. C, daily average69 lb/d≤ 65 lb/d6%
June 2026Solids, total suspended, daily average42 mg/L≤ 20 mg/L110%
June 2026Solids, total suspended, daily average77 lb/d≤ 65 lb/d18%
July 2026E. coli, daily average> 2419.6 CFU/100mL≤ 126 CFU/100mL—
July 2026E. coli, single grab sample> 2419.6 CFU/100mL≤ 399 CFU/100mL—
August 2026E. coli, daily average> 2419.6 CFU/100mL≤ 126 CFU/100mL—
August 2026E. coli, single grab sample> 2419.6 CFU/100mL≤ 399 CFU/100mL—
August 2026Solids, total suspended, daily average29 mg/L≤ 20 mg/L45%
August 2026Solids, total suspended, single grab sample85 mg/L≤ 65 mg/L31%

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≤ 65 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≤ 65 lb/dall year
Flow, in conduit or thru treatment plantdaily average≤ .39 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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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/TX0075451 · MCP: https://passage-data.com/mcp