Facility detail

WESTERN DIGITAL TECHNOLOGIES INC

5601 GREAT OAKS PARKWAY, SAN JOSE, CA, 95119

Parent company: WESTERN DIGITAL CORP

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Year-over-year total releases

Reported on-site TRI releases in pounds (lbs), grouped by reporting year.

Top chemical totals

The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) across all available years.

Full release table

Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.

All values in pounds (lbs)
Year	Freon 113 (CFC-113)	Acetone	1,1,1-Trichloroethane	N-Methyl-2-pyrrolidone	Xylene (mixed isomers)	Total (lbs)
2024	—	—	—	45	—	45
2023	—	—	—	107	—	107
2022	—	—	—	107	—	107
2021	—	—	—	96	—	96
2020	—	—	—	325	—	325
2019	—	—	—	325	—	325
2018	—	—	—	342	—	342
2017	—	—	—	325	—	325
2016	—	—	—	289	—	289
2015	—	—	—	299	—	299
2014	—	—	—	298	—	298
2013	—	—	—	285	—	285
2012	—	—	—	302	—	302
2011	—	—	—	319	—	319
2010	—	—	—	279	—	279
2009	—	—	—	268	—	268
2008	—	—	—	808	—	808
2007	—	—	—	864	—	864
2006	—	—	—	994	—	994
2005	—	—	—	780	—	780
2004	—	—	—	1,893	—	1,893
2003	—	—	—	2,975	—	2,985
2002	—	—	—	3,200	—	3,203
2001	—	—	—	5,000	—	5,006
2000	—	—	—	4,000	—	4,009
1999	—	—	—	5,980	—	6,003
1998	—	—	—	5,844	—	5,957
1997	—	—	—	4,300	—	4,460
1996	—	—	—	5,300	—	5,470
1995	—	—	—	5,800	—	5,910
1994	—	—	—	—	—	410
1993	—	—	—	—	—	515
1992	1,070	—	—	—	—	1,473
1991	22,690	7,600	3,015	—	—	34,393
1990	58,300	25,100	21,061	—	5,400	114,166
1989	230,200	23,000	23,550	—	6,800	288,188
1988	500,220	55,000	10,790	—	13,600	581,992
1987	—	23,900	—	—	—	23,901

▎ Facilities report to EPA's TRI once they manufacture, process, or use a listed chemical above set thresholds. Once that threshold is crossed, they must report actual releases regardless of size — so a small number reflects genuine low-level discharge, not a data error.