Passage Data · Check a report · Use it from your AI

Arkema, Inc

Alkalies And Chlorine, Multnomah, Oregon. NPDES permit OR0044695 expired Mar 31, 2019; its limits still apply. Last 12 months: no values over a limit, 5 of 10 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 46 days after each period: form GW monthly (24 values)
Last report on file
July 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 5 of 12 reports late

Limits in force (24)

ParameterStatisticLimitMonths
pHdaily minimum≥ 6.5 SUall year
pHdaily maximum≤ 8.5 SUall year
Chloride [as Cl]monthly average≤ 3900 mg/Lall year
Chloride [as Cl]daily maximum≤ 7700 mg/Lall year
Iron, total recoverablemonthly average≤ 820 ug/Lall year
Iron, total recoverabledaily maximum≤ 1600 ug/Lall year
Chromium, hexavalent [as Cr]monthly average≤ 10 ug/Lall year
Chromium, hexavalent [as Cr]daily maximum≤ 16 ug/Lall year
Cadmium, total recoverablemonthly average≤ .41 ug/Lall year
Cadmium, total recoverabledaily maximum≤ .83 ug/Lall year
Chlorobenzenemonthly average≤ 74 ug/Lall year
Chlorobenzenedaily maximum≤ 150 ug/Lall year
Tetrachloroethylenemonthly average≤ .5 ug/Lall year
Tetrachloroethylenedaily maximum≤ .5 ug/Lall year
2-Chlorophenolmonthly average≤ 14 ug/Lall year
2-Chlorophenoldaily maximum≤ 28 ug/Lall year
4,4'-DDTmonthly average≤ .01 ug/Lall year
4,4'-DDTdaily maximum≤ .01 ug/Lall year
4,4'-DDDmonthly average≤ .01 ug/Lall year
4,4'-DDDdaily maximum≤ .01 ug/Lall year
4,4'-DDEmonthly average≤ .01 ug/Lall year
4,4'-DDEdaily maximum≤ .01 ug/Lall year
Perchlorate [ClO4]monthly average≤ 15 ug/Lall year
Perchlorate [ClO4]daily maximum≤ 30 ug/Lall year

How strict are these limits?

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

Same industry: the 8 Chemicals and Allied Products permits in Oregon.

Check this month's numbers Email me before each report is due

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/OR0044695 · MCP: https://passage-data.com/mcp