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

Dunham Point Development, LLC

Sewerage Systems, Cypress, Texas. NPDES permit TX0137219 expired Jul 2, 2025; its limits still apply. Last 12 months: over a limit 7 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (18 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
12 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
April 2026Flow, in conduit or thru treatment plant, daily average.174 MGD≤ .15 MGD16%
May 2026Flow, in conduit or thru treatment plant, daily average.181 MGD≤ .15 MGD21%
May 2026Solids, total suspended, daily average16.8 mg/L≤ 15 mg/L12%
May 2026Solids, total suspended, daily average27.3 lb/d≤ 19 lb/d44%
June 2026Flow, in conduit or thru treatment plant, daily average.172 MGD≤ .15 MGD15%
July 2026Flow, in conduit or thru treatment plant, daily average.172 MGD≤ .15 MGD15%
August 2026Flow, in conduit or thru treatment plant, daily average.184 MGD≤ .15 MGD23%

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 suspendedsingle grab sample≤ 60 mg/Lall year
Solids, total suspendeddaily average≤ 19 lb/dall year
Nitrogen, ammonia total [as N]daily average≤ 2 mg/Lall year
Nitrogen, ammonia total [as N]single grab sample≤ 15 mg/Lall year
Nitrogen, ammonia total [as N]daily average≤ 2.5 lb/dall year
Flow, in conduit or thru treatment plantdaily average≤ .15 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≤ 63 CFU/100mLall year
E. colisingle grab sample≤ 200 CFU/100mLall year
BOD, carbonaceous [5 day, 20 C]daily average≤ 10 mg/Lall year
BOD, carbonaceous [5 day, 20 C]single grab sample≤ 35 mg/Lall year
BOD, carbonaceous [5 day, 20 C]daily average≤ 13 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/TX0137219 · MCP: https://passage-data.com/mcp