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Anna, City of

Sewage treatment plant, major discharger, Anna, Texas. NPDES permit TX0141721, in force until May 23, 2028. Last 12 months: over a limit 6 times (last December 2025), 114 required values missing, 3 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (18 values)
Renewal application due
Nov 25, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 120 required values missing, 6 of 6 reports late

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

Period endingParameterReportedLimitOver by
November 2025Nitrogen, ammonia total [as N], daily average2.26 mg/L≤ 2 mg/L13%
November 2025Nitrogen, ammonia total [as N], daily average2.26 mg/L≤ 2 mg/L13%
December 2025Nitrogen, ammonia total [as N], daily average30.82 mg/L≤ 2 mg/L1441%
December 2025Nitrogen, ammonia total [as N], daily average30.82 mg/L≤ 2 mg/L1441%
December 2025Nitrogen, ammonia total [as N], daily maximum50.3 mg/L≤ 10 mg/L403%
December 2025Nitrogen, ammonia total [as N], daily maximum50.3 mg/L≤ 10 mg/L403%

Limits in force (18)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]monthly minimum≥ 6 mg/Lall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendeddaily average≤ 5 mg/Lall year
Solids, total suspendeddaily maximum≤ 20 mg/Lall year
Solids, total suspendeddaily average≤ 21 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≤ 8.4 lb/dall year
Flow, in conduit or thru treatment plantdaily average≤ .5 MGDall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualinstantaneous maximum< .1 mg/Lall year
Chlorine, total residualmonthly minimum≥ 1 mg/Lall year
E. colidaily average≤ 126 MPN/100mLall year
E. colidaily maximum≤ 399 MPN/100mLall year
BOD, carbonaceous [5 day, 20 C]daily average≤ 5 mg/Lall year
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 20 mg/Lall year
BOD, carbonaceous [5 day, 20 C]daily average≤ 21 lb/dall 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/TX0141721 · MCP: https://passage-data.com/mcp