Facility detail

WESTERN DIGITAL TECHNOLOGIES - FREMONT

44100 OSGOOD RD, FREMONT, CA, 94539

Parent company: WESTERN DIGITAL CORP

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 N-Methyl-2-pyrrolidone Nitric acid Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) Total (lbs)
2024 28,004 — — 28,004
2023 55,612 500 — 56,112
2022 109,354 500 — 109,854
2021 103,592 500 — 104,092
2020 85,371 500 — 85,871
2019 64,844 500 — 65,344
2018 56,456 500 — 56,956
2017 50,390 500 — 50,890
2016 94,371 500 — 94,871
2015 45,276 500 — 45,776
2014 118,654 500 — 119,154
2013 52,510 794 — 53,304
2012 33 20 — 53
2011 126 163 — 289
2010 811 162 — 973
2009 514 — — 514
2008 188 — — 188
2007 223 — — 223
2006 184 — — 184
2005 3,000 — — 3,000
2004 2,778 — — 2,778
2003 2,442 — — 2,442
2001 1,584 — — 1,584
2000 1,852 — — 1,852
1999 7,036 — — 7,036
1998 7,003 — — 7,003
1997 7,081 — — 7,081
1996 1,006 — — 1,006
1995 500 — — 500
1994 — — 10 10
1993 — — 10 10

▎ 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.