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Am Bidco Operations LLC

Secondary Nonferrous Metals, major discharger, Freeport, Texas. NPDES permit TX0034738 expired Feb 3, 2025; its limits still apply. Last 12 months: over a limit once (last October 2025). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (38 values), outfall 002 form A monthly (9 values), outfall 002 form Q quarterly
Last report on file
August 2026
Oct 2024 – Sep 2025
12 values over a limit, 0 required values missing, 4 of 28 reports late

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

Period endingParameterReportedLimitOver by
October 2025Chlorine, total residual, monthly minimum.6 mg/L≥ 1 mg/L40%

Limits in force (59)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitdaily maximum≤ 105 deg Fall year001
pHminimum≥ 5 SUall year001
pHmaximum≤ 11 SUall year001
Solids, total suspendeddaily average≤ 45.4 lb/dall year001
Solids, total suspendeddaily maximum≤ 95.5 lb/dall year001
Nitrogen, ammonia total [as N]daily average≤ 424 lb/dall year001
Nitrogen, ammonia total [as N]daily maximum≤ 965 lb/dall year001
Carbon, tot organic [TOC]daily average≤ 55.6 lb/dall year001
Carbon, tot organic [TOC]daily maximum≤ 111 lb/dall year001
Arsenic, total [as As]daily average≤ 1.44 lb/dall year001
Arsenic, total [as As]daily maximum≤ 3.23 lb/dall year001
Chromium, total [as Cr]daily average≤ .349 lb/dall year001
Chromium, total [as Cr]daily maximum≤ .862 lb/dall year001
Cobalt, total [as Co]daily maximumreport only (mg/L)all year001
Copper, total [as Cu]daily maximumreport only (mg/L)all year001
Iron, total [as Fe]daily average≤ 4.33 lb/dall year001
Iron, total [as Fe]daily maximum≤ 8.63 lb/dall year001
Lead, total [as Pb]daily average≤ .303 lb/dall year001
Lead, total [as Pb]daily maximum≤ .652 lb/dall year001
Molybdenum, total [as Mo]daily average≤ 81.1 lb/dall year001
Molybdenum, total [as Mo]daily maximum≤ 181.3 lb/dall year001
Nickel, total [as Ni]daily average≤ .862 lb/dall year001
Nickel, total [as Ni]daily maximum≤ 1.28 lb/dall year001
Vanadium, total [as V]daily maximum≤ 230 mg/Lall year001
Antimony, total [as Sb]daily maximumreport only (mg/L)all year001
Aluminum, total [as Al]daily maximumreport only (mg/L)all year001
Selenium, total [as Se]daily maximumreport only (mg/L)all year001
Benzenedaily maximumreport only (mg/L)all year001
Flow, in conduit or thru treatment plantdaily average≤ .35 MGDall year001
Flow, in conduit or thru treatment plantdaily maximum≤ .5 MGDall year001
Chlorine, total residualmonthly minimum≥ 1 mg/Lall year001
Chlorine, total residualmonthly maximum≤ 4 mg/Lall year001
Enterococcidaily maximum≤ 89 CFU/100mLall year001
Mercury, total [as Hg]daily maximumreport only (mg/L)all year001
BOD, carbonaceous [5 day, 20 C]daily average≤ 58 lb/dall year001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 117 lb/dall year001
pH range excursions, > 60 minutesmonthly total≤ 0 occur/moall year001
pH range excursions, monthly total accummonthly total≤ 446 minall year001
pHminimum≥ 6 SUall year002
pHmaximum≤ 9 SUall year002
Oil & Greasedaily maximum≤ 15 mg/Lall year002
Nitrogen, ammonia total [as N]daily maximum≤ 15 mg/Lall year002
Carbon, tot organic [TOC]daily maximum≤ 75 mg/Lall year002
Arsenic, total [as As]daily maximumreport only (mg/L)all year002
Chromium, total [as Cr]daily maximumreport only (mg/L)all year002
Cobalt, total [as Co]daily maximumreport only (mg/L)all year002
Copper, total [as Cu]daily maximumreport only (mg/L)all year002
Iron, total [as Fe]daily maximumreport only (mg/L)all year002
Lead, total [as Pb]daily maximumreport only (mg/L)all year002
Molybdenum, total [as Mo]daily maximum≤ 30 mg/Lall year002
Nickel, total [as Ni]daily maximumreport only (mg/L)all year002
Vanadium, total [as V]daily maximum≤ 30 mg/Lall year002
Antimony, total [as Sb]daily maximumreport only (mg/L)all year002
Aluminum, total [as Al]daily maximumreport only (mg/L)all year002
Selenium, total [as Se]daily maximumreport only (mg/L)all year002
Benzenedaily maximumreport only (mg/L)all 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
Mercury, total [as Hg]daily maximumreport only (mg/L)all year002

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/TX0034738 · MCP: https://passage-data.com/mcp