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

CSWR-Texas Utility Operating Company LLC

Sewerage Systems, Palacios, Texas. NPDES permit TX0136531, in force until Apr 29, 2031. Last 12 months: over a limit 23 times (last September 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (13 values), form Q quarterly
Last report on file
September 2026
Oct 2024 – Sep 2025
9 values over a limit, 0 required values missing, 0 of 16 reports late

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

All 23 values over a limit
Period endingParameterReportedLimitOver by
December 2025Solids, total suspended, daily average23.33 mg/L≤ 20 mg/L17%
January 2026Solids, total suspended, daily average37.73 mg/L≤ 20 mg/L89%
January 2026Solids, total suspended, single grab sample75 mg/L≤ 65 mg/L15%
May 2026BOD, 5-day, 20 deg. C, daily average51.92 mg/L≤ 20 mg/L160%
May 2026BOD, 5-day, 20 deg. C, daily average7.41 lb/d≤ 4 lb/d85%
May 2026BOD, 5-day, 20 deg. C, single grab sample199 mg/L≤ 65 mg/L206%
May 2026Oxygen, dissolved [DO], monthly minimum2.3 mg/L≥ 4 mg/L43%
May 2026Solids, total suspended, daily average157.38 mg/L≤ 20 mg/L687%
May 2026Solids, total suspended, daily average22.2 lb/d≤ 4 lb/d455%
May 2026Solids, total suspended, single grab sample560 mg/L≤ 65 mg/L762%
June 2026BOD, 5-day, 20 deg. C, daily average23.65 mg/L≤ 20 mg/L18%
June 2026BOD, 5-day, 20 deg. C, daily average5.52 lb/d≤ 4 lb/d38%
June 2026Flow, in conduit or thru treatment plant, daily average.03069 MGD≤ .024 MGD28%
June 2026Oxygen, dissolved [DO], monthly minimum2.3 mg/L≥ 4 mg/L43%
June 2026Solids, total suspended, daily average27.75 mg/L≤ 20 mg/L39%
June 2026Solids, total suspended, daily average6.07 lb/d≤ 4 lb/d52%
July 2026Flow, in conduit or thru treatment plant, daily average.02572 MGD≤ .024 MGD7%
July 2026Oxygen, dissolved [DO], monthly minimum2.2 mg/L≥ 4 mg/L45%
July 2026Solids, total suspended, daily average22.19 mg/L≤ 20 mg/L11%
July 2026Solids, total suspended, daily average4.43 lb/d≤ 4 lb/d11%
July 2026Solids, total suspended, single grab sample67 mg/L≤ 65 mg/L3%
August 2026Oxygen, dissolved [DO], monthly minimum2.1 mg/L≥ 4 mg/L48%
September 2026Oxygen, dissolved [DO], monthly minimum2.7 mg/L≥ 4 mg/L33%

Limits in force (15)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]monthly minimum≥ 4 mg/Lall year
BOD, 5-day, 20 deg. Cdaily average≤ 20 mg/Lall year
BOD, 5-day, 20 deg. Csingle grab sample≤ 65 mg/Lall year
BOD, 5-day, 20 deg. Cdaily average≤ 4 lb/dall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendeddaily average≤ 20 mg/Lall year
Solids, total suspendedsingle grab sample≤ 65 mg/Lall year
Solids, total suspendeddaily average≤ 4 lb/dall year
Flow, in conduit or thru treatment plantdaily average≤ .024 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. 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

· 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/TX0136531 · MCP: https://passage-data.com/mcp