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Colorado City, City of

Sewage treatment plant, Colorado City, Texas. NPDES permit TX0142778, in force until Feb 20, 2028. Last 12 months: over a limit 22 times (last August 2026), 20 of 22 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (6 values), outfall 002 form A monthly (6 values)
Renewal application due
Aug 24, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
24 values over a limit, 0 required values missing, 22 of 24 reports late

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

All 22 values over a limit
Period endingOutfallParameterReportedLimit
October 2025001pH, minimum0 SU≥ 6 SU
October 2025002pH, minimum0 SU≥ 6 SU
November 2025001pH, minimum0 SU≥ 6 SU
November 2025002pH, minimum0 SU≥ 6 SU
December 2025001pH, minimum0 SU≥ 6 SU
December 2025002pH, minimum0 SU≥ 6 SU
January 2026001pH, minimum0 SU≥ 6 SU
January 2026002pH, minimum0 SU≥ 6 SU
February 2026001pH, minimum0 SU≥ 6 SU
February 2026002pH, minimum0 SU≥ 6 SU
March 2026001pH, minimum0 SU≥ 6 SU
March 2026002pH, minimum0 SU≥ 6 SU
April 2026001pH, minimum0 SU≥ 6 SU
April 2026002pH, minimum0 SU≥ 6 SU
May 2026001pH, minimum0 SU≥ 6 SU
May 2026002pH, minimum0 SU≥ 6 SU
June 2026001pH, minimum0 SU≥ 6 SU
June 2026002pH, minimum0 SU≥ 6 SU
July 2026001pH, minimum0 SU≥ 6 SU
July 2026002pH, minimum0 SU≥ 6 SU
August 2026001pH, minimum0 SU≥ 6 SU
August 2026002pH, minimum0 SU≥ 6 SU

Limits in force (12)

ParameterStatisticLimitMonthsOutfall
Oxygen demand, chem. [high level] [COD]daily maximum≤ 200 mg/Lall year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Oil & Greasedaily maximum≤ 15 mg/Lall year001
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Oxygen demand, chem. [high level] [COD]daily maximum≤ 200 mg/Lall year002
pHminimum≥ 6 SUall year002
pHmaximum≤ 9 SUall year002
Oil & Greasedaily maximum≤ 15 mg/Lall year002
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002

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/TX0142778 · MCP: https://passage-data.com/mcp