Passage Data · Check a report · Use it from your AI

Winona, City of

Sewage treatment plant, Winona, Texas. NPDES permit TX0073229 expired Jun 17, 2026; its limits still apply. Last 12 months: over a limit 14 times (last August 2026), 2 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (15 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
41 values over a limit, 0 required values missing, 2 of 12 reports late

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

All 14 values over a limit
Period endingParameterReportedLimitOver by
November 2025Solids, total suspended, daily average50 mg/L≤ 45 mg/L11%
December 2025Solids, total suspended, daily average49 mg/L≤ 45 mg/L9%
December 2025pH, maximum9.2 SU≤ 9 SU—
January 2026Nitrogen, ammonia total [as N], daily average4.13 mg/L≤ 4 mg/L3%
February 2026Nitrogen, ammonia total [as N], daily average1.8988 lb/d≤ 1.3 lb/d46%
February 2026Nitrogen, ammonia total [as N], daily average8.19 mg/L≤ 4 mg/L105%
February 2026Oxygen, dissolved [DO], monthly minimum3.6 mg/L≥ 5 mg/L28%
February 2026Solids, total suspended, daily average61 mg/L≤ 45 mg/L36%
March 2026Nitrogen, ammonia total [as N], daily average1.62 lb/d≤ 1.3 lb/d25%
March 2026Nitrogen, ammonia total [as N], daily average6.65 mg/L≤ 4 mg/L66%
March 2026Solids, total suspended, daily average47 mg/L≤ 45 mg/L4%
July 2026pH, maximum9.1 SU≤ 9 SU—
August 2026Solids, total suspended, daily average67 mg/L≤ 45 mg/L49%
August 2026pH, maximum9.8 SU≤ 9 SU—

Limits in force (15)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]monthly minimum≥ 5 mg/Lall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendeddaily average≤ 45 mg/Lall year
Solids, total suspendeddaily average≤ 15 lb/dall year
Nitrogen, ammonia total [as N]daily average≤ 4 mg/Lall year
Nitrogen, ammonia total [as N]single grab sample≤ 16 mg/Lall year
Nitrogen, ammonia total [as N]daily average≤ 1.3 lb/dall year
Flow, in conduit or thru treatment plantdaily average≤ .04 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
BOD, carbonaceous [5 day, 20 C]daily average≤ 30 mg/Lall year
BOD, carbonaceous [5 day, 20 C]single grab sample≤ 100 mg/Lall year
BOD, carbonaceous [5 day, 20 C]daily average≤ 10 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

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/TX0073229 · MCP: https://passage-data.com/mcp