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

Brazoria, City of

Sewage treatment plant, Brazoria, Texas. NPDES permit TX0025615, in force until Apr 14, 2030. Last 12 months: over a limit 29 times (last September 2026), 1 of 12 reports late. 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
85 values over a limit, 0 required values missing, 1 of 12 reports late

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

All 29 values over a limit
Period endingParameterReportedLimitOver by
October 2025BOD, carbonaceous [5 day, 20 C], daily average20.2 mg/L≤ 10 mg/L102%
October 2025BOD, carbonaceous [5 day, 20 C], daily maximum39.1 mg/L≤ 25 mg/L56%
October 2025E. coli, daily average146 CFU/100mL≤ 126 CFU/100mL16%
October 2025E. coli, daily maximum437 CFU/100mL≤ 399 CFU/100mL10%
October 2025Nitrogen, ammonia total [as N], daily average33.5 mg/L≤ 4 mg/L738%
October 2025Nitrogen, ammonia total [as N], daily average72.17 lb/d≤ 25 lb/d189%
October 2025Nitrogen, ammonia total [as N], daily maximum19.6 mg/L≤ 10 mg/L96%
November 2025Nitrogen, ammonia total [as N], daily maximum14.5 mg/L≤ 10 mg/L45%
November 2025Solids, total suspended, daily average18.2 mg/L≤ 15 mg/L21%
December 2025Solids, total suspended, daily average19 mg/L≤ 15 mg/L27%
December 2025Solids, total suspended, daily maximum59 mg/L≤ 40 mg/L48%
January 2026Solids, total suspended, daily average27.5 mg/L≤ 15 mg/L83%
January 2026Solids, total suspended, daily maximum43 mg/L≤ 40 mg/L8%
February 2026Solids, total suspended, daily average17.5 mg/L≤ 15 mg/L17%
April 2026BOD, carbonaceous [5 day, 20 C], daily average18 mg/L≤ 10 mg/L80%
April 2026BOD, carbonaceous [5 day, 20 C], daily maximum75 mg/L≤ 25 mg/L200%
April 2026Nitrogen, ammonia total [as N], daily average13.7 mg/L≤ 4 mg/L243%
April 2026Nitrogen, ammonia total [as N], daily average26.27 lb/d≤ 25 lb/d5%
April 2026Nitrogen, ammonia total [as N], daily maximum35 mg/L≤ 10 mg/L250%
May 2026Flow, in conduit or thru treatment plant, daily average.869 MGD≤ .75 MGD16%
June 2026Flow, in conduit or thru treatment plant, daily average.976 MGD≤ .75 MGD30%
July 2026BOD, carbonaceous [5 day, 20 C], daily average10.1 mg/L≤ 10 mg/L1%
July 2026BOD, carbonaceous [5 day, 20 C], daily maximum30 mg/L≤ 25 mg/L20%
July 2026Nitrogen, ammonia total [as N], daily average25.2 lb/d≤ 25 lb/d1%
July 2026Nitrogen, ammonia total [as N], daily average7.7 mg/L≤ 4 mg/L93%
July 2026Nitrogen, ammonia total [as N], daily maximum25 mg/L≤ 10 mg/L150%
August 2026Nitrogen, ammonia total [as N], daily average7.4 mg/L≤ 4 mg/L85%
August 2026Nitrogen, ammonia total [as N], daily maximum13 mg/L≤ 10 mg/L30%
September 2026Nitrogen, ammonia total [as N], daily maximum11 mg/L≤ 10 mg/L10%

Limits in force (18)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]monthly minimum≥ 4 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≤ 94 lb/dall year
Nitrogen, ammonia total [as N]daily average≤ 4 mg/Lall year
Nitrogen, ammonia total [as N]daily maximum≤ 10 mg/Lall year
Nitrogen, ammonia total [as N]daily average≤ 25 lb/dall year
Flow, in conduit or thru treatment plantdaily average≤ .75 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≤ 63 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/TX0025615 · MCP: https://passage-data.com/mcp