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Cemex Construction Materials South LLC

Cement, Hydraulic, New Braunfels, Texas. NPDES permit TX0077534 expired Mar 12, 2025; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (9 values), outfall 101 form A monthly (5 values), outfall 101 form Q quarterly (1 value)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 28 reports late

Limits in force (15)

ParameterStatisticLimitMonthsOutfall
Turbiditydaily maximum≤ 95 NTUall year001
Oxygen demand, chem. [high level] [COD]daily maximum≤ 150 mg/Lall year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendeddaily maximum≤ 35 mg/Lall 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
Solids, total dissolveddaily maximum≤ 800 mg/Lall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 65 mg/Lall year101
Solids, total suspendeddaily maximum≤ 65 mg/Lall year101
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year101
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year101
Chlorine, total residualmonthly minimum≥ 1 mg/Lall year101
E. colidaily maximum≤ 399 CFU/100mLall year101

How strict are these limits?

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

Same industry: the 10 Stone, Clay, Glass and Concrete Products permits in Texas.

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/TX0077534 · MCP: https://passage-data.com/mcp