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Maverick Tube Corporation

Steel Pipe And Tubes, Conroe, Texas. NPDES permit TX0034681, in force until Sep 6, 2029. Last 12 months: no values over a limit, 4 of 22 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (15 values), outfall 101 form A monthly (16 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
4 values over a limit, 0 required values missing, 6 of 24 reports late

Limits in force (31)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitdaily maximum≤ 95 deg Fall year001
Oxygen demand, chem. [high level] [COD]daily average≤ 467 lb/dall year001
Oxygen demand, chem. [high level] [COD]daily maximum≤ 584 lb/dall year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Oil & Greasedaily average≤ 35 lb/dall year001
Oil & Greasedaily maximum≤ 46.7 lb/dall year001
Chloride [as Cl]daily average≤ 235 mg/Lall year001
Chloride [as Cl]daily maximum≤ 498 mg/Lall year001
Copper, total [as Cu]daily average≤ .0226 lb/dall year001
Copper, total [as Cu]daily maximum≤ .0478 lb/dall year001
Flow, in conduit or thru treatment plantdaily average≤ .28 MGDall year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Solids, total dissolveddaily average≤ 886 mg/Lall year001
Solids, total dissolveddaily maximum≤ 1875 mg/Lall year001
pHminimum≥ 6 SUall year101
pHmaximum≤ 9 SUall year101
Solids, total suspendeddaily averagereport only (lb/d)all year101
Solids, total suspendeddaily maximum≤ 1.44 lb/dall year101
Oil & Greasedaily averagereport only (lb/d)all year101
Oil & Greasedaily maximum≤ .602 lb/dall year101
Chromium, total [as Cr]daily averagereport only (lb/d)all year101
Chromium, total [as Cr]daily maximum≤ .024 lb/dall year101
Lead, total [as Pb]daily averagereport only (lb/d)all year101
Lead, total [as Pb]daily maximum≤ .0108 lb/dall year101
Nickel, total [as Ni]daily averagereport only (lb/d)all year101
Nickel, total [as Ni]daily maximum≤ .022 lb/dall year101
Zinc, total [as Zn]daily averagereport only (lb/d)all year101
Zinc, total [as Zn]daily maximum≤ .0073 lb/dall year101
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year101
Flow, in conduit or thru treatment plantdaily maximum≤ .004 MGDall year101

How strict are these limits?

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

Same industry: the 13 Primary Metal Industries permits in Texas.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/TX0034681 · MCP: https://passage-data.com/mcp