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New Braunfels Utilities

Sewage treatment plant, major discharger, New Braunfels, Texas. NPDES permit TX0088170 expired Jul 8, 2026; its limits still apply. Last 12 months: over a limit once (last July 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due

About 20 days after each period: outfall 001 form A monthly (23 values), outfall TX1 form S twice a year, outfall TX1 form Y yearly, outfall TXA form S twice a year

Last report on file

September 2026

Oct 2024 – Sep 2025

2 values over a limit, 0 required values missing, 0 of 17 reports late

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

Limits in force (37)

How strict are these limits?

• BOD, 5-day, 20 deg. C, daily maximum 25 mg/L — stricter than 70% of 55 other major POTWs in Texas; 27% have the same limit
• BOD, 5-day, 20 deg. C, daily average 10 mg/L — stricter than 70% of 58 other major POTWs in Texas; 28% have the same limit
• Oxygen, dissolved [DO], monthly minimum at least 5 mg/L — stricter than 44% of 537 other major POTWs in Texas; 14% have the same limit

Cited limits by parameter: Texas's rules and the federal ones.

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/TX0088170 · MCP: https://passage-data.com/mcp