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Messer LLC

Industrial Gases, Cherokee, Alabama. NPDES permit AL0040100, in force until Dec 31, 2030. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form S twice a year, outfall 01A form S twice a year
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 4 reports late

Limits in force (14)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year001
pHdaily minimumreport only (SU)all year001
pHdaily maximumreport only (SU)all year001
Solids, total suspendeddaily maximumreport only (mg/L)all year001
Oil & Greasedaily maximum≤ 15 mg/Lall year001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Semiannual Certification Statementdaily maximum≤ 0 Y=0;N=1all year001
Temperature, water deg. fahrenheitdaily maximum≤ 86 deg Fall year01A
pHdaily minimum≥ 6 SUall year01A
pHdaily maximum≤ 8.5 SUall year01A
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year01A
Chlorine, total residualmonthly average≤ .011 mg/Lall year01A
Chlorine, total residualdaily maximum≤ .019 mg/Lall year01A

How strict are these limits?

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

Same industry: the 79 Chemicals and Allied Products 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/AL0040100 · MCP: https://passage-data.com/mcp