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Texas Department of Transportation

Sewage treatment plant, Victoria County, Texas. NPDES permit TX0077291, in force until Dec 11, 2030. Last 12 months: over a limit 32 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

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

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

All 32 values over a limit
Period endingParameterReportedLimitOver by
October 2025E. coli, single grab sample> 2420 CFU/100mL≤ 399 CFU/100mL—
October 2025Solids, total suspended, daily average19 mg/L≤ 15 mg/L27%
October 2025Solids, total suspended, single grab sample61 mg/L≤ 60 mg/L2%
November 2025Solids, total suspended, daily average21 mg/L≤ 15 mg/L40%
December 2025BOD, carbonaceous [5 day, 20 C], daily average14 mg/L≤ 10 mg/L40%
December 2025Nitrogen, ammonia total [as N], daily average5.23 mg/L≤ 4 mg/L31%
December 2025Nitrogen, ammonia total [as N], single grab sample19.3 mg/L≤ 15 mg/L29%
December 2025Solids, total suspended, daily average22 mg/L≤ 15 mg/L47%
January 2026BOD, carbonaceous [5 day, 20 C], daily average19 mg/L≤ 10 mg/L90%
January 2026Nitrogen, ammonia total [as N], daily average10.33 mg/L≤ 4 mg/L158%
January 2026Nitrogen, ammonia total [as N], single grab sample19.2 mg/L≤ 15 mg/L28%
January 2026Solids, total suspended, daily average25 mg/L≤ 15 mg/L67%
February 2026BOD, carbonaceous [5 day, 20 C], daily average15 mg/L≤ 10 mg/L50%
February 2026Nitrogen, ammonia total [as N], daily average.9136 lb/d≤ .67 lb/d36%
February 2026Nitrogen, ammonia total [as N], daily average19.63 mg/L≤ 4 mg/L391%
February 2026Nitrogen, ammonia total [as N], single grab sample26.5 mg/L≤ 15 mg/L77%
February 2026Solids, total suspended, daily average26 mg/L≤ 15 mg/L73%
February 2026Solids, total suspended, daily average3.0558 lb/d≤ 2.5 lb/d22%
March 2026BOD, carbonaceous [5 day, 20 C], daily average17 mg/L≤ 10 mg/L70%
March 2026BOD, carbonaceous [5 day, 20 C], single grab sample41 mg/L≤ 35 mg/L17%
March 2026Solids, total suspended, daily average31 mg/L≤ 15 mg/L107%
April 2026BOD, carbonaceous [5 day, 20 C], daily average14 mg/L≤ 10 mg/L40%
April 2026Solids, total suspended, daily average21 mg/L≤ 15 mg/L40%
May 2026BOD, carbonaceous [5 day, 20 C], daily average19 mg/L≤ 10 mg/L90%
May 2026Solids, total suspended, daily average27 mg/L≤ 15 mg/L80%
May 2026Solids, total suspended, daily average5.2026 lb/d≤ 2.5 lb/d108%
June 2026BOD, carbonaceous [5 day, 20 C], daily average15 mg/L≤ 10 mg/L50%
June 2026Solids, total suspended, daily average23 mg/L≤ 15 mg/L53%
July 2026Nitrogen, ammonia total [as N], daily average7.07 mg/L≤ 4 mg/L77%
July 2026Nitrogen, ammonia total [as N], single grab sample18.4 mg/L≤ 15 mg/L23%
August 2026BOD, carbonaceous [5 day, 20 C], daily average15 mg/L≤ 10 mg/L50%
August 2026Solids, total suspended, daily average20 mg/L≤ 15 mg/L33%

Limits in force (18)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]monthly minimum≥ 2 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≤ 2.5 lb/dall year
Nitrogen, ammonia total [as N]daily average≤ 4 mg/Lall year
Nitrogen, ammonia total [as N]single grab sample≤ 15 mg/Lall year
Nitrogen, ammonia total [as N]daily average≤ .67 lb/dall year
Flow, in conduit or thru treatment plantdaily average≤ .02 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≤ 1.7 lb/dall 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/TX0077291 · MCP: https://passage-data.com/mcp