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Kaiser Aluminum Washington

Aluminum Sheet, Plate, And Foil, major discharger, Spokane, Washington. NPDES permit WA0000892, in force until May 31, 2027. Last 12 months: no values over a limit, 3 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 0003 form MM monthly (16 values), outfall 001K form MM monthly (26 values), outfall 001K form QQ quarterly (1 value), outfall 0066 form MM monthly (18 values), outfall IN18 form MM monthly (18 values), outfall WSIE form MM monthly (4 values), and 1 more form
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
2 values over a limit, 2 required values missing, 0 of 74 reports late

Limits in force (96)

ParameterStatisticLimitMonthsOutfall
Phosphorus, total [as P]EPA's "NONSP AV"report only (lb/d) (alert, not enforceable)Oct0000
Phosphorus, total [as P]EPA's "NONSP AV"report only (lb/d) (alert, not enforceable)Oct0002
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year0003
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year0003
BOD, 5-day, 20 deg. Cmonthly average≤ 42 lb/dall year0003
BOD, 5-day, 20 deg. Cweekly average≤ 72 lb/dall year0003
pHmaximumreport only (SU) (alert, not enforceable)all year0003
pHminimumreport only (SU) (alert, not enforceable)all year0003
Solids, total suspendedmonthly average≤ 30 mg/Lall year0003
Solids, total suspendedweekly average≤ 45 mg/Lall year0003
Solids, total suspendedmonthly average≤ 42 lb/dall year0003
Solids, total suspendedweekly average≤ 72 lb/dall year0003
E. colimonthly geometric meanreport only (#/100mL) (alert, not enforceable)all year0003
E. coliweekly geometric meanreport only (#/100mL) (alert, not enforceable)all year0003
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year0003
Coliform, fecal generalweekly geometric mean≤ 400 #/100mLall year0003
Flowmaximumreport only (gal/d) (alert, not enforceable)all year0003
Flowmonthly averagereport only (gal/d) (alert, not enforceable)all year0003
Phosphorus, total [as P]EPA's "NONSP AV"report only (lb/d) (alert, not enforceable)Oct0004
Are You In Complianceminimum≥ 1 N=0;Y=1Oct0005
BOD, carbonaceous [5 day, 20 C]EPA's "NONSP AV"≤ 462.7 lb/dOct0006
BOD, carbonaceous [5 day, 20 C]EPA's "NONSP AV"report only (lb/d) (alert, not enforceable)Oct0007
BOD, carbonaceous [5 day, 20 C]EPA's "NONSP AV"report only (lb/d) (alert, not enforceable)Oct0008
Are You In ComplianceEPA's "NONSP AV"report only (N=0;Y=1) (alert, not enforceable)Oct0009
Temperature, water deg. fahrenheitmaximumreport only (deg F) (alert, not enforceable)all year001K
Temperature, water deg. fahrenheitmonthly averagereport only (deg F) (alert, not enforceable)all year001K
Alkalinity, total [as CaCO3]maximumreport only (mg/L) (alert, not enforceable)all year001K
Nitrogen, ammonia total [as N]maximumreport only (mg/L) (alert, not enforceable)all year001K
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L) (alert, not enforceable)all year001K
Nitrogen, ammonia total [as N]maximumreport only (lb/d) (alert, not enforceable)all year001K
Nitrogen, ammonia total [as N]EPA's "NONSP AV"≤ 9 lb/dOct001K
Nitrogen, ammonia total [as N]monthly averagereport only (lb/d) (alert, not enforceable)all year001K
Phosphorus, total [as P]maximumreport only (ug/L) (alert, not enforceable)all year001K
Phosphorus, total [as P]monthly averagereport only (ug/L) (alert, not enforceable)all year001K
Phosphorus, total [as P]maximumreport only (lb/d) (alert, not enforceable)all year001K
Phosphorus, total [as P]monthly averagereport only (lb/d) (alert, not enforceable)all year001K
Hardness, total [as CaCO3]maximumreport only (mg/L) (alert, not enforceable)all year001K
Arsenic, total [as As]single readingreport only (ug/L) (alert, not enforceable)all year001K
Cadmium, total [as Cd]maximum≤ 2.2 ug/Lall year001K
Cadmium, total [as Cd]monthly average≤ 1.3 ug/Lall year001K
Lead, total [as Pb]monthly average≤ 7 ug/Lall year001K
Zinc, total [as Zn]monthly average≤ 75 ug/Lall year001K
Phosphorus [reactive as P]maximumreport only (ug/L) (alert, not enforceable)all year001K
Phosphorus [reactive as P]monthly averagereport only (ug/L) (alert, not enforceable)all year001K
Phosphorus [reactive as P]maximumreport only (lb/d) (alert, not enforceable)all year001K
Phosphorus [reactive as P]monthly averagereport only (lb/d) (alert, not enforceable)all year001K
Polychlorinated biphenyls [PCBs]single readingreport only (ug/L) (alert, not enforceable)all year001K
pH, maximumdaily maximum≤ 9 SUall year001K
pH, minimumdaily minimum≥ 6 SUall year001K
Flowmaximumreport only (MGD) (alert, not enforceable)all year001K
Flowmonthly averagereport only (MGD) (alert, not enforceable)all year001K
Polychlorinated biphenyls [PCB] pg/Lsingle readingreport only (pg/L) (alert, not enforceable)all year001K
BOD, carbonaceous [5 day, 20 C]maximumreport only (mg/L) (alert, not enforceable)all year001K
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L) (alert, not enforceable)all year001K
BOD, carbonaceous [5 day, 20 C]maximumreport only (lb/d) (alert, not enforceable)all year001K
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (lb/d) (alert, not enforceable)all year001K
Solids, total suspendedmaximumreport only (mg/L) (alert, not enforceable)all year0066
Solids, total suspendedmonthly averagereport only (mg/L) (alert, not enforceable)all year0066
Solids, total suspendedmonthly average≤ 406.1 lb/dall year0066
Oil and grease, hexane extr methodmaximumreport only (mg/L) (alert, not enforceable)all year0066
Oil and grease, hexane extr methodmonthly averagereport only (mg/L) (alert, not enforceable)all year0066
Oil and grease, hexane extr methodmaximumreport only (lb/d) (alert, not enforceable)all year0066
Oil and grease, hexane extr methodmonthly averagereport only (lb/d) (alert, not enforceable)all year0066
Cyanide, total [as CN]maximumreport only (mg/L) (alert, not enforceable)all year0066
Cyanide, total [as CN]monthly averagereport only (mg/L) (alert, not enforceable)all year0066
Cyanide, total [as CN]monthly average≤ .53 lb/dall year0066
Chromium, total [as Cr]maximumreport only (mg/L) (alert, not enforceable)all year0066
Chromium, total [as Cr]monthly averagereport only (mg/L) (alert, not enforceable)all year0066
Chromium, total [as Cr]monthly average≤ 2.1 lb/dall year0066
Aluminum, total [as Al]maximumreport only (mg/L) (alert, not enforceable)all year0066
Aluminum, total [as Al]monthly averagereport only (mg/L) (alert, not enforceable)all year0066
Aluminum, total [as Al]monthly average≤ 7.5 lb/dall year0066
Flowmaximumreport only (MGD) (alert, not enforceable)all year0066
Flowmonthly averagereport only (MGD) (alert, not enforceable)all year0066
Solids, total suspendedmaximumreport only (mg/L) (alert, not enforceable)all yearIN18
Solids, total suspendedmonthly averagereport only (mg/L) (alert, not enforceable)all yearIN18
Solids, total suspendedmaximumreport only (lb/d) (alert, not enforceable)all yearIN18
Solids, total suspendedmonthly averagereport only (lb/d) (alert, not enforceable)all yearIN18
Chromium, total [as Cr]maximumreport only (mg/L) (alert, not enforceable)all yearIN18
Chromium, total [as Cr]monthly averagereport only (mg/L) (alert, not enforceable)all yearIN18
Chromium, total [as Cr]maximumreport only (lb/d) (alert, not enforceable)all yearIN18
Chromium, total [as Cr]monthly averagereport only (lb/d) (alert, not enforceable)all yearIN18
Aluminum, total [as Al]maximumreport only (mg/L) (alert, not enforceable)all yearIN18
Aluminum, total [as Al]monthly averagereport only (mg/L) (alert, not enforceable)all yearIN18
Aluminum, total [as Al]maximumreport only (lb/d) (alert, not enforceable)all yearIN18
Aluminum, total [as Al]monthly averagereport only (lb/d) (alert, not enforceable)all yearIN18
Oil & grease, non-polar materialmaximumreport only (mg/L) (alert, not enforceable)all yearIN18
Oil & grease, non-polar materialmonthly averagereport only (mg/L) (alert, not enforceable)all yearIN18
Oil & grease, non-polar materialmaximumreport only (lb/d) (alert, not enforceable)all yearIN18
Oil & grease, non-polar materialmonthly averagereport only (lb/d) (alert, not enforceable)all yearIN18
Flowmaximumreport only (MGD) (alert, not enforceable)all yearIN18
Flowmonthly averagereport only (MGD) (alert, not enforceable)all yearIN18
Polychlorinated biphenyls [PCBs]maximumreport only (ng/L) (alert, not enforceable)all yearWSIE
Polychlorinated biphenyls [PCBs]maximumreport only (g/d) (alert, not enforceable)all yearWSIE
Flowmaximumreport only (MGD) (alert, not enforceable)all yearWSIE
Flowmonthly averagereport only (MGD) (alert, not enforceable)all yearWSIE

How strict are these limits?

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

Same industry: the 8 Primary Metal Industries permits in Washington.

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/WA0000892 · MCP: https://passage-data.com/mcp