Summary Number of permit documents for active permits by region.
Region NameCount number
Total 20651
Central2099
Eastern1651
EFSEC11
Hanford6
Headquarters11369
Industrial200
Northwest2751
Southwest2492
Unknown72

Permit Document Search

Use this page to search for permit documents (fact sheets, addendums, permits, etc.) that have been uploaded into PARIS. You can click the document file name link in the results to open the document. If you are interested in other types of uploaded documents (i.e. inspection reports, enforcements, signature delegations) then please visit the Document Search page. (If viewing this in the help pop-up, click here:Document Search)

Fill in one or more fields and click Search

Example: WAR0011379 or 11379
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Click on the document file name to download.
Facility NameWater Quality NamePermit NumberPermit StatusPermit TypePermit VersionCityCountyPublic Notice DateDocument NameDescription
12
Page size:
 20 items in 2 pages
Kaiser Aluminum & Chemical CorporationKAISER ALUMINUM WASHINGTON, LLC.WA0000892ActiveIndustrial NPDES IP4SPOKANESpokane Permit Documents CWIS Impingement Report.pdf EasternFinal Cooling Water Intake Structure (CWIS) Report dated January 27, 2023Eastern
Kaiser Aluminum & Chemical CorporationKAISER ALUMINUM WASHINGTON, LLC.WA0000892ActiveIndustrial NPDES IP4SPOKANESpokane Permit Documents Notification Letter.msg EasternShort pH excursion for June 23, 2022Eastern
Kaiser Aluminum & Chemical CorporationKAISER ALUMINUM WASHINGTON, LLC.WA0000892ActiveIndustrial NPDES IP4SPOKANESpokane Permit Documents WA0000892_Kaiser_Aluminum_Washington_Permit_2022-06-01.pdf EasternPermitEastern
Kaiser Aluminum & Chemical CorporationKAISER ALUMINUM WASHINGTON, LLC.WA0000892ActiveIndustrial NPDES IP4SPOKANESpokane Permit Documents WA0000892_Kaiser_Aluminum_Washington_AttachmentF1_ResponsetoComments_2022-04-11.pdf EasternResponse to CommentsEastern
Kaiser Aluminum & Chemical CorporationKAISER ALUMINUM WASHINGTON, LLC.WA0000892ActiveIndustrial NPDES IP4SPOKANESpokane Permit Documents WA0000892_Kaiser_Aluminum_Washington_Fact_Sheet_2022-04-11.pdf EasternFact SheetEastern
Kaiser Aluminum & Chemical CorporationKAISER ALUMINUM WASHINGTON, LLC.WA0000892ActiveIndustrial NPDES IP4SPOKANESpokane Permit Documents WA0000892_ Kaiser_Aluminum_Washington_Draft_Permit_Letter_and_Legal_Notice_2021-12-29.pdf EasternPublic NoticeEastern
Kaiser Aluminum & Chemical CorporationKAISER ALUMINUM WASHINGTON, LLC.WA0000892ActiveIndustrial NPDES IP4SPOKANESpokane Permit Documents WA0000892_Kaiser_Aluminum_Washington_Draft_Fact_Sheet_Public_Review_2021-12-29.pdf EasternDraft fact sheetEastern
Kaiser Aluminum & Chemical CorporationKAISER ALUMINUM WASHINGTON, LLC.WA0000892ActiveIndustrial NPDES IP4SPOKANESpokane Permit Documents WA0000892_Kaiser_Aluminum_Washington_Draft_Permit_Public_Review_2021-12-29.pdf EasternDraft permitEastern
Kaiser Aluminum & Chemical CorporationKAISER ALUMINUM WASHINGTON, LLC.WA0000892InactiveIndustrial NPDES IP3SPOKANESpokane Permit Documents Follow-up to Call.msg EasternDocument associated with communication log entry.Eastern
Kaiser Aluminum & Chemical CorporationKAISER ALUMINUM WASHINGTON, LLC.WA0000892InactiveIndustrial NPDES IP3SPOKANESpokane Permit Documents WA0000892_Kaiser_ Aluminum_Washington_LLC_Permit_Extension_2016-06-30.pdf Eastern PermitEastern
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