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Mount Enterprise City of

Sewage treatment plant, Mount Enterprise, Texas. NPDES permit TX0122173, in force until Jan 13, 2027. Last 12 months: over a limit 21 times (last September 2026), 4 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (15 values)
Renewal application due
Jul 17, 2026 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
27 values over a limit, 0 required values missing, 8 of 12 reports late

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

All 21 values over a limit
Period endingParameterReportedLimitOver by
November 2025E. coli, daily average1990 CFU/100mL≤ 126 CFU/100mL1479%
January 2026E. coli, daily average2390 CFU/100mL≤ 126 CFU/100mL1797%
January 2026E. coli, single grab sample3110 CFU/100mL≤ 399 CFU/100mL679%
February 2026E. coli, daily average2490 CFU/100mL≤ 126 CFU/100mL1876%
February 2026E. coli, single grab sample4410 CFU/100mL≤ 399 CFU/100mL1005%
March 2026E. coli, single grab sample1450 CFU/100mL≤ 399 CFU/100mL263%
April 2026E. coli, daily average1160 CFU/100mL≤ 126 CFU/100mL821%
April 2026E. coli, single grab sample2600 CFU/100mL≤ 399 CFU/100mL552%
May 2026E. coli, single grab sample613 CFU/100mL≤ 399 CFU/100mL54%
May 2026Oxygen, dissolved [DO], monthly minimum3.3 mg/L≥ 4 mg/L18%
June 2026E. coli, daily average541 CFU/100mL≤ 126 CFU/100mL329%
June 2026E. coli, single grab sample2420 CFU/100mL≤ 399 CFU/100mL507%
June 2026Oxygen, dissolved [DO], monthly minimum2.6 mg/L≥ 4 mg/L35%
July 2026E. coli, daily average2420 CFU/100mL≤ 126 CFU/100mL1821%
July 2026E. coli, single grab sample2420 CFU/100mL≤ 399 CFU/100mL507%
July 2026Oxygen, dissolved [DO], monthly minimum1.5 mg/L≥ 4 mg/L63%
August 2026E. coli, single grab sample2420 CFU/100mL≤ 399 CFU/100mL507%
August 2026Oxygen, dissolved [DO], monthly minimum1.1 mg/L≥ 4 mg/L73%
September 2026E. coli, daily average2420 CFU/100mL≤ 126 CFU/100mL1821%
September 2026E. coli, single grab sample2420 CFU/100mL≤ 399 CFU/100mL507%
September 2026Oxygen, dissolved [DO], monthly minimum.6 mg/L≥ 4 mg/L85%

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≤ 15 lb/dall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendeddaily average≤ 90 mg/Lall year
Solids, total suspendeddaily average≤ 45 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≤ .06 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.

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/TX0122173 · MCP: https://passage-data.com/mcp