Kaiser Aluminum Washington

NPDES permit WA0000892 · Major NON-POTW · effective, expires 2027-05-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
3required values missing, on 3 form(s)
0of 69 forms filed late

Last period with anything received: 2026-07-31.

Reporting

Reports are due about 15 days after each monitoring period ends (the most common figure among WA permits in EPA's filings — check your permit).

Limits in force (96)

OutfallParameterStatisticLimitMonths
0000Phosphorus, total [as P]NA report only (alert) Oct
0002Phosphorus, total [as P]NA report only (alert) Oct
0003BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
0003BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
0003BOD, 5-day, 20 deg. CMO AVG <= 42 lb/d all year
0003BOD, 5-day, 20 deg. CWKLY AVG <= 72 lb/d all year
0003pHMAXIMUM report only (alert) all year
0003pHMINIMUM report only (alert) all year
0003Solids, total suspendedMO AVG <= 30 mg/L all year
0003Solids, total suspendedWKLY AVG <= 45 mg/L all year
0003Solids, total suspendedMO AVG <= 42 lb/d all year
0003Solids, total suspendedWKLY AVG <= 72 lb/d all year
0003E. coliMO GEOMN report only (alert) all year
0003E. coliWK GEOMN report only (alert) all year
0003Coliform, fecal generalMO GEOMN <= 200 #/100mL all year
0003Coliform, fecal generalWK GEOMN <= 400 #/100mL all year
0003FlowMAXIMUM report only (alert) all year
0003FlowMO AVG report only (alert) all year
0004Phosphorus, total [as P]NA report only (alert) Oct
0005Are You In ComplianceMINIMUM >= 1 N=0;Y=1 Oct
0006BOD, carbonaceous [5 day, 20 C]NA <= 462.7 lb/d Oct
0007BOD, carbonaceous [5 day, 20 C]NA report only (alert) Oct
0008BOD, carbonaceous [5 day, 20 C]NA report only (alert) Oct
0009Are You In ComplianceNA report only (alert) Oct
001KTemperature, water deg. fahrenheitMAXIMUM report only (alert) all year
001KTemperature, water deg. fahrenheitMO AVG report only (alert) all year
001KAlkalinity, total [as CaCO3]MAXIMUM report only (alert) all year
001KNitrogen, ammonia total [as N]MAXIMUM report only (alert) all year
001KNitrogen, ammonia total [as N]MO AVG report only (alert) all year
001KNitrogen, ammonia total [as N]MAXIMUM report only (alert) all year
001KNitrogen, ammonia total [as N]NA <= 9 lb/d Oct
001KNitrogen, ammonia total [as N]MO AVG report only (alert) all year
001KPhosphorus, total [as P]MAXIMUM report only (alert) all year
001KPhosphorus, total [as P]MO AVG report only (alert) all year
001KPhosphorus, total [as P]MAXIMUM report only (alert) all year
001KPhosphorus, total [as P]MO AVG report only (alert) all year
001KHardness, total [as CaCO3]MAXIMUM report only (alert) all year
001KArsenic, total [as As]Single Rdg report only (alert) all year
001KCadmium, total [as Cd]MAXIMUM <= 2.2 ug/L all year
001KCadmium, total [as Cd]MO AVG <= 1.3 ug/L all year
001KLead, total [as Pb]MO AVG <= 7 ug/L all year
001KZinc, total [as Zn]MO AVG <= 75 ug/L all year
001KPhosphorus [reactive as P]MAXIMUM report only (alert) all year
001KPhosphorus [reactive as P]MO AVG report only (alert) all year
001KPhosphorus [reactive as P]MAXIMUM report only (alert) all year
001KPhosphorus [reactive as P]MO AVG report only (alert) all year
001KPolychlorinated biphenyls [PCBs]Single Rdg report only (alert) all year
001KpH, maximumDAILY MX <= 9 SU all year
001KpH, minimumDAILY MN >= 6 SU all year
001KFlowMAXIMUM report only (alert) all year
001KFlowMO AVG report only (alert) all year
001KPolychlorinated biphenyls [PCB] pg/LSingle Rdg report only (alert) all year
001KBOD, carbonaceous [5 day, 20 C]MAXIMUM report only (alert) all year
001KBOD, carbonaceous [5 day, 20 C]MO AVG report only (alert) all year
001KBOD, carbonaceous [5 day, 20 C]MAXIMUM report only (alert) all year
001KBOD, carbonaceous [5 day, 20 C]MO AVG report only (alert) all year
0066Solids, total suspendedMAXIMUM report only (alert) all year
0066Solids, total suspendedMO AVG report only (alert) all year
0066Solids, total suspendedMO AVG <= 406.1 lb/d all year
0066Oil and grease, hexane extr methodMAXIMUM report only (alert) all year
0066Oil and grease, hexane extr methodMO AVG report only (alert) all year
0066Oil and grease, hexane extr methodMAXIMUM report only (alert) all year
0066Oil and grease, hexane extr methodMO AVG report only (alert) all year
0066Cyanide, total [as CN]MAXIMUM report only (alert) all year
0066Cyanide, total [as CN]MO AVG report only (alert) all year
0066Cyanide, total [as CN]MO AVG <= .53 lb/d all year
0066Chromium, total [as Cr]MAXIMUM report only (alert) all year
0066Chromium, total [as Cr]MO AVG report only (alert) all year
0066Chromium, total [as Cr]MO AVG <= 2.1 lb/d all year
0066Aluminum, total [as Al]MAXIMUM report only (alert) all year
0066Aluminum, total [as Al]MO AVG report only (alert) all year
0066Aluminum, total [as Al]MO AVG <= 7.5 lb/d all year
0066FlowMAXIMUM report only (alert) all year
0066FlowMO AVG report only (alert) all year
IN18Solids, total suspendedMAXIMUM report only (alert) all year
IN18Solids, total suspendedMO AVG report only (alert) all year
IN18Solids, total suspendedMAXIMUM report only (alert) all year
IN18Solids, total suspendedMO AVG report only (alert) all year
IN18Chromium, total [as Cr]MAXIMUM report only (alert) all year
IN18Chromium, total [as Cr]MO AVG report only (alert) all year
IN18Chromium, total [as Cr]MAXIMUM report only (alert) all year
IN18Chromium, total [as Cr]MO AVG report only (alert) all year
IN18Aluminum, total [as Al]MAXIMUM report only (alert) all year
IN18Aluminum, total [as Al]MO AVG report only (alert) all year
IN18Aluminum, total [as Al]MAXIMUM report only (alert) all year
IN18Aluminum, total [as Al]MO AVG report only (alert) all year
IN18Oil & grease, non-polar materialMAXIMUM report only (alert) all year
IN18Oil & grease, non-polar materialMO AVG report only (alert) all year
IN18Oil & grease, non-polar materialMAXIMUM report only (alert) all year
IN18Oil & grease, non-polar materialMO AVG report only (alert) all year
IN18FlowMAXIMUM report only (alert) all year
IN18FlowMO AVG report only (alert) all year
WSIEPolychlorinated biphenyls [PCBs]MAXIMUM report only (alert) all year
WSIEPolychlorinated biphenyls [PCBs]MAXIMUM report only (alert) all year
WSIEFlowMAXIMUM report only (alert) all year
WSIEFlowMO AVG report only (alert) all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states