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Harcros Chemicals, Inc.

Chemicals & Allied Products, Muscle Shoals, Alabama. NPDES permit AL0042277, in force until May 31, 2027. 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 Q quarterly (7 values), outfall 01A form Q quarterly (15 values)
Renewal application due
Dec 2, 2026 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 8 reports late

Limits in force (22)

ParameterStatisticLimitMonthsOutfall
Sulfate [as S]daily 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
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chemical Oxygen Demand [COD]daily maximumreport only (mg/L)all year001
Temperature, water deg. fahrenheitdaily maximum≤ 86 deg Fall year01A
Sulfate [as S]daily maximumreport only (mg/L)all year01A
pHdaily minimum≥ 6 SUall year01A
pHdaily maximum≤ 8.5 SUall year01A
Solids, total suspendeddaily maximumreport only (mg/L)all year01A
Oil & Greasedaily maximum≤ 15 mg/Lall year01A
Arsenic, total recoverabledaily maximumreport only (mg/L)all year01A
Cadmium, total recoverabledaily maximumreport only (mg/L)all year01A
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year01A
Chlorine, total residualmonthly average≤ .019 mg/Lall year01A
Chlorine, total residualdaily maximum≤ .011 mg/Lall year01A
Cyanide, free availabledaily maximumreport only (mg/L)all year01A
Mercury, total recoverabledaily maximumreport only (mg/L)all year01A
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)all year01A
Chemical Oxygen Demand [COD]daily maximumreport only (mg/L)all year01A

How strict are these limits?

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

Same industry: the 11 Wholesale Trade — Nondurable Goods 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/AL0042277 · MCP: https://passage-data.com/mcp