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Groesbeck, City of

Sewage treatment plant, Limestone County, Texas. NPDES permit TX0054445, in force until Feb 14, 2029. Last 12 months: over a limit 10 times (last September 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (18 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
20 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
October 2025Chlorine, total residual, monthly maximum4.66 mg/L≤ 4 mg/L17%
October 2025Nitrogen, ammonia total [as N], daily average≤ 2.874 mg/L≤ 2 mg/L44%
October 2025Oxygen, dissolved [DO], monthly minimum4.3166 mg/L≥ 5 mg/L14%
November 2025Chlorine, total residual, monthly maximum4.43 mg/L≤ 4 mg/L11%
April 2026Chlorine, total residual, monthly minimum.34 mg/L≥ 1 mg/L66%
April 2026Oxygen, dissolved [DO], monthly minimum4.92 mg/L≥ 5 mg/L2%
May 2026Nitrogen, ammonia total [as N], daily average≤ 2.48 mg/L≤ 2 mg/L24%
September 2026Chlorine, total residual, monthly maximum4.25 mg/L≤ 4 mg/L6%
September 2026Nitrogen, ammonia total [as N], daily average≤ 4.674 mg/L≤ 2 mg/L134%
September 2026Nitrogen, ammonia total [as N], daily maximum13.2 mg/L≤ 10 mg/L32%

Limits in force (18)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]monthly minimum≥ 5 mg/Lall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendeddaily average≤ 15 mg/Lall year
Solids, total suspendeddaily maximum≤ 40 mg/Lall year
Solids, total suspendeddaily average≤ 89 lb/dall year
Nitrogen, ammonia total [as N]daily average≤ 2 mg/Lall year
Nitrogen, ammonia total [as N]daily maximum≤ 10 mg/Lall year
Nitrogen, ammonia total [as N]daily average≤ 12 lb/dall year
Flow, in conduit or thru treatment plantdaily average≤ .709 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. colidaily maximum≤ 399 CFU/100mLall year
BOD, carbonaceous [5 day, 20 C]daily average≤ 10 mg/Lall year
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 25 mg/Lall year
BOD, carbonaceous [5 day, 20 C]daily average≤ 59 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/TX0054445 · MCP: https://passage-data.com/mcp