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Lhoist North America of Alabama, LLC

Crushed And Broken Limestone, Alabaster, Alabama. NPDES permit AL0024473, in force until Apr 30, 2028. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form 1 quarterly (48 values)
Renewal application due
Nov 2, 2027 · 180 days before expiry; your permit may set another date
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (48)

ParameterStatisticLimitMonths
Sulfate [as S]monthly averagereport only (mg/L)all year
Sulfate [as S]monthly averagereport only (mg/L)all year
Sulfate [as S]daily maximumreport only (mg/L)all year
Sulfate [as S]daily maximumreport only (mg/L)all year
pHdaily minimum≥ 6 SUall year
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 8.5 SUall year
pHdaily maximum≤ 8.5 SUall year
Solids, total suspendedmonthly average≤ 25 mg/Lall year
Solids, total suspendedmonthly average≤ 25 mg/Lall year
Solids, total suspendeddaily maximum≤ 45 mg/Lall year
Solids, total suspendeddaily maximum≤ 45 mg/Lall year
Oil & Greasemonthly averagereport only (mg/L)all year
Oil & Greasemonthly averagereport only (mg/L)all year
Oil & Greasedaily maximum≤ 15 mg/Lall year
Oil & Greasedaily maximum≤ 15 mg/Lall year
Iron, total [as Fe]monthly averagereport only (mg/L)all year
Iron, total [as Fe]monthly averagereport only (mg/L)all year
Iron, total [as Fe]daily maximumreport only (mg/L)all year
Iron, total [as Fe]daily maximumreport only (mg/L)all year
Lead, dissolved [as Pb]monthly average= 3.447 ug/Lall year
Lead, dissolved [as Pb]monthly average= 3.447 ug/Lall year
Lead, dissolved [as Pb]daily maximum= 48.59 ug/Lall year
Lead, dissolved [as Pb]daily maximum= 48.59 ug/Lall year
Manganese, total [as Mn]monthly averagereport only (mg/L)all year
Manganese, total [as Mn]monthly averagereport only (mg/L)all year
Manganese, total [as Mn]daily maximumreport only (mg/L)all year
Manganese, total [as Mn]daily maximumreport only (mg/L)all year
Thallium, dissolved [as Tl]monthly averagereport only (ug/L)all year
Thallium, dissolved [as Tl]monthly averagereport only (ug/L)all year
Thallium, dissolved [as Tl]daily maximum= .497 ug/Lall year
Thallium, dissolved [as Tl]daily maximum= .497 ug/Lall year
Aluminum, total recoverablemonthly averagereport only (mg/L)all year
Aluminum, total recoverablemonthly averagereport only (mg/L)all year
Aluminum, total recoverabledaily maximumreport only (mg/L)all year
Aluminum, total recoverabledaily maximumreport only (mg/L)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Solids, total dissolvedmonthly averagereport only (mg/L)all year
Solids, total dissolvedmonthly averagereport only (mg/L)all year
Solids, total dissolveddaily maximumreport only (mg/L)all year
Solids, total dissolveddaily maximumreport only (mg/L)all year
Chemical Oxygen Demand [COD]monthly averagereport only (mg/L)all year
Chemical Oxygen Demand [COD]monthly averagereport only (mg/L)all year
Chemical Oxygen Demand [COD]daily maximumreport only (mg/L)all year
Chemical Oxygen Demand [COD]daily maximumreport only (mg/L)all year

How strict are these limits?

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

Same industry: the 206 Mining and Quarrying of Nonmetallic Minerals permits in Alabama.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/AL0024473 · MCP: https://passage-data.com/mcp