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Collidge, City of

Sewage treatment plant, Coolidge, Texas. NPDES permit TX0057045, in force until Jan 11, 2027. Last 12 months: over a limit 24 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (15 values)
Renewal application due
Jul 15, 2026 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
11 values over a limit, 0 required values missing, 2 of 12 reports late

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

All 24 values over a limit
Period endingParameterReportedLimitOver by
November 2025BOD, 5-day, 20 deg. C, daily average26.53 lb/d≤ 25 lb/d6%
November 2025E. coli, single grab sample457 CFU/100mL≤ 399 CFU/100mL15%
November 2025pH, maximum9.2 SU≤ 9 SU—
December 2025E. coli, daily average912.96 CFU/100mL≤ 126 CFU/100mL625%
December 2025E. coli, single grab sample2420 CFU/100mL≤ 399 CFU/100mL507%
January 2026BOD, 5-day, 20 deg. C, daily average33.5 mg/L≤ 30 mg/L12%
January 2026BOD, 5-day, 20 deg. C, daily average35.32 lb/d≤ 25 lb/d41%
January 2026E. coli, daily average2507.9 CFU/100mL≤ 126 CFU/100mL1890%
January 2026E. coli, single grab sample2599 CFU/100mL≤ 399 CFU/100mL551%
February 2026E. coli, daily average3422.4 CFU/100mL≤ 126 CFU/100mL2616%
February 2026E. coli, single grab sample4840 CFU/100mL≤ 399 CFU/100mL1113%
March 2026E. coli, daily average264.15 CFU/100mL≤ 126 CFU/100mL110%
March 2026E. coli, single grab sample821 CFU/100mL≤ 399 CFU/100mL106%
April 2026E. coli, daily average1012.14 CFU/100mL≤ 126 CFU/100mL703%
April 2026E. coli, single grab sample1300 CFU/100mL≤ 399 CFU/100mL226%
May 2026BOD, 5-day, 20 deg. C, daily average28.06 lb/d≤ 25 lb/d12%
May 2026E. coli, daily average136.39 CFU/100mL≤ 126 CFU/100mL8%
June 2026BOD, 5-day, 20 deg. C, daily average36.8 mg/L≤ 30 mg/L23%
June 2026BOD, 5-day, 20 deg. C, daily average38.82 lb/d≤ 25 lb/d55%
June 2026Oxygen, dissolved [DO], monthly minimum2.5 mg/L≥ 4 mg/L38%
June 2026Solids, total suspended, daily average102 mg/L≤ 90 mg/L13%
June 2026Solids, total suspended, daily average102.21 lb/d≤ 75 lb/d36%
July 2026Oxygen, dissolved [DO], monthly minimum2 mg/L≥ 4 mg/L50%
August 2026Oxygen, dissolved [DO], monthly minimum3.5 mg/L≥ 4 mg/L13%

Limits in force (15)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]monthly minimum≥ 4 mg/Lall year
BOD, 5-day, 20 deg. Cdaily average≤ 30 mg/Lall year
BOD, 5-day, 20 deg. Csingle grab sample≤ 100 mg/Lall year
BOD, 5-day, 20 deg. Cdaily average≤ 25 lb/dall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendeddaily average≤ 90 mg/Lall year
Solids, total suspendeddaily average≤ 75 lb/dall year
Nitrogen, ammonia total [as N]daily averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]single grab samplereport only (mg/L)all year
Nitrogen, ammonia total [as N]daily averagereport only (lb/d)all year
Flow, in conduit or thru treatment plantdaily average≤ .1 MGDall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all 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/TX0057045 · MCP: https://passage-data.com/mcp