Clean Water Act discharge permit · NPDES WA0000892

KAISER ALUMINUM WASHINGTON, LLC., Spokane, WA: NPDES WA0000892 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MajorDischarger class
22Pollutants under a numeric limit
11Pollutants with an effluent exceedance

KAISER ALUMINUM WASHINGTON, LLC., held by Kaiser Aluminum Washington, holds NPDES permit WA0000892. EPA’s file records it issued June 23, 2011 and expiring June 29, 2016. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	KAISER ALUMINUM WASHINGTON, LLC.
Permittee as filed	Kaiser Aluminum Washington
NPDES ID	WA0000892
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Major discharger
Facility type	Not a publicly owned treatment works
Issued	June 23, 2011
Expiration date	June 29, 2016
Issuing agency	State
Address	Spokane, WA 99216
Receiving water impaired	303(D) Listed
Subwatershed	Chester Creek-Spokane River (HUC 170103050402)
Other EPA IDs (FRS)	RCRA handler WAD009067281; ICIS-AIR source WASPC0005306310023

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

24Pollutants on file
22Under a numeric limit
13With a violation of any kind
11With an effluent exceedance

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
pH, minimum	3	32	32	March 31, 2022
pH, maximum	3	7	7	March 31, 2021
Solids, total suspended	26	6	6	October 31, 2009	201% over the limit
Oil and grease [soxhlet extr.] tot.	0	6	6	October 31, 2009	204% over the limit
Polychlorinated biphenyls [PCBs]	2	9	5	July 31, 2019	97% over the limit
Aluminum, total [as Al]	26	5	5	January 31, 2012	361% over the limit
Solids, total	8	3	3	August 31, 2012	193% over the limit
Flow	24	2	2	May 31, 2013	5% over the limit
Coliform, fecal general	4	2	2	July 31, 2025	99,999% over the limit
Oil and grease, hexane extr method	26	1	1	June 30, 2015	80% over the limit
Chromium, total [as Cr]	22	1	1	April 30, 2008	0% over the limit
Cadmium, total [as Cd]	4	6	0
Alkalinity, total [as CaCO3]	0	1	0
Phosphorus, total [as P]	32	0	0
Cyanide, total [as CN]	14	0	0
Zinc, total [as Zn]	14	0	0
BOD, 5-day, 20 deg. C	8	0	0
Nitrogen, ammonia total [as N]	8	0	0
BOD, carbonaceous [5 day, 20 C]	8	0	0
Temperature, water deg. fahrenheit	4	0	0
Phosphorus, dissolved reactive [drp as P]	4	0	0
Lead, total [as Pb]	4	0	0
Phosphorus [reactive as P]	4	0	0
pH	2	0	0

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES WA0000892.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID WA0000892 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

This public-records page describes the NPDES WA0000892 discharge permit held by Kaiser Aluminum Washington, LLC., of Spokane, WA, a Major Discharger with an administratively continued status, and it lists 22 pollutants under a numeric limit and 11 pollutants with an effluent exceedance. The permit was issued June 23, 2011 and expired June 29, 2016, and the subwatershed is Chester Creek-Spokane River (HUC 170103050402).