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Cinco Mud 1

Sewage treatment plant, Katy Mills, Texas. NPDES permit TX0135194, in force until Jul 29, 2027. Last 12 months: over a limit once (last January 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (11 values)
Renewal application due
Jan 30, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
4 values over a limit, 2 required values missing, 1 of 12 reports late

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

Period endingParameterReportedLimitOver by
January 2026Solids, total dissolved, daily maximum13000 mg/L≤ 11810 mg/L10%

Limits in force (11)

ParameterStatisticLimitMonths
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Chloride [as Cl]daily averagereport only (mg/L)all year
Chloride [as Cl]daily maximumreport only (mg/L)all year
Sulfate, total [as SO4]daily averagereport only (mg/L)all year
Sulfate, total [as SO4]daily maximumreport only (mg/L)all year
Flow, in conduit or thru treatment plantdaily average≤ 1.5 MGDall year
Flow, in conduit or thru treatment plantdaily maximum≤ 1.5 MGDall year
Chlorine, total residualdaily maximum< .1 mg/Lall year
Solids, total dissolveddaily averagereport only (mg/L)all year
Solids, total dissolveddaily maximum≤ 11810 mg/Lall 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/TX0135194 · MCP: https://passage-data.com/mcp