EPA TRI Facility · Computers and Electronic Products
Western Digital Technologies - Fremont
Fremont, CA · Parent: Western Digital Corp
- Total releases
- 505.1K lbs
- Chemicals reported
- 3
- Latest report
- 2023
- Primary pathway
- Air Releases
AIR Form-R mix
Western Digital Technologies - Fremont: how the 505.1K lbs splits
505.1K lbs across all reported pathways
- Air Releases 421.3K lbs 83.4%
- Off-site Transfers 83.9K lbs 16.6%
Western Digital Technologies - Fremont's 505.1K lbs Form-R total is AIR - air releases is 83.4% of the bar. Next segment: off-site transfers at 16.6%. Leading chemical by pounds: N-Methyl-2-pyrrolidone.
MID volume AIR pathway CLEAN
Western Digital Technologies - Fremont is an EPA Toxics Release Inventory reporter in Fremont, CA, in the computers and electronic products sector. It reported 71.0K lbs of releases across 3 chemicals in 2023, and 505.1K lbs in total across its 2019-2023 reporting years. That ranks 1,941 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In California's 1,149 reporting TRI sites, pounds #1 is not chemical-count #1. Western Digital Technologies - Fremont is pounds #54 and chemical-count #367 at 505.1K lbs. Clean Harbors Buttonwillow LLC leads reported pounds (50.4M lbs) at 45 chemicals (chemical-count #2). Chevron Products Co Richmond Refinery leads chemical count at 46 chemicals (3.0M lbs, pounds #13). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Bay Area Circuits Inc; Quantumclean; Google LLC; Tesla Inc. Similar-scale Computers and Electronic Products peers outside California: Texas Instruments Inc; Seh America Inc; Analog Devices Inc. Beaverton; Sumco Southwest Corp. Other Western Digital Corp sites in this extract: Western Digital Technologies Inc. Largest disclosed chemicals by pounds: N-Methyl-2-pyrrolidone; Nitrate compounds (water dissociable; reportable only when in aqueous solution); Nitric acid.
Compare Western Digital Technologies - Fremont with
Nearest reporters in California
- Bay Area Circuits Inc Fremont · 2 lbs
- Quantumclean Fremont · 85.3K lbs
- Google LLC Fremont · 9.6K lbs
- Tesla Inc Fremont · 3.0M lbs
Similar-scale Computers and Electronic Products sites elsewhere: Texas Instruments Inc (TX) · Seh America Inc (WA) · Analog Devices Inc. Beaverton (OR)
Western Digital Technologies - Fremont stamps MID volume with a dominant AIR pathway (83.4% air releases) across 3 chemicals. Cumulative Form-R extract: 505.1K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Texas Instruments Inc and Seh America Inc.
Western Digital Technologies - Fremont vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
505K lbs Top 7% higher than 93% of 25,986 reporting TRI facilities
Each bar is a $1M-wide band; taller bars hold more reporting TRI facilities. The dashed line and filled bar mark this facility. Hover, focus, or tap a bar for its full count, share, and position.
Source U.S. Environmental Protection Agency, Toxics Release Inventory · 2023 reporting year
Western Digital Technologies - Fremont: N-Methyl-2-pyrrolidone-led volume
Among the 760 Computers and Electronic Products facilities in this database, Western Digital Technologies - Fremont reports the 12th-largest volume, placing it in the top 1.6% of its sector. Its reported volume is concentrated rather than spread: N-Methyl-2-pyrrolidone alone is 99.0% of the total. Scale peers outside California include Texas Instruments Inc and Seh America Inc.
Concentrated means ≥60% of Western Digital Technologies - Fremont's pounds in one chemical - here N-Methyl-2-pyrrolidone at 99.0%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Western Digital Technologies - Fremont's total reported releases fell from 136.7 thousand lb in 2022 to 71.0 thousand lb in 2023, based on EPA TRI filings.
- Western Digital Technologies - Fremont's air releases fell from 109.9 thousand lb in 2022 to 56.1 thousand lb in 2023, based on EPA TRI filings.
- Western Digital Technologies - Fremont's off-site transfers fell from 26.9 thousand lb in 2022 to 14.8 thousand lb in 2023, based on EPA TRI filings.
Western Digital Technologies - Fremont Form-R facts
Compare this facility
See how Western Digital Technologies - Fremont stacks up against nearby facilities and the typical reporter.
238393.7× more than the comparison
50% more than the comparison
Comparison reflects reported pounds and chemical counts, not toxicity or health risk. Averages cover facilities reporting any release.
How does this facility release toxic chemicals?
How Western Digital Technologies - Fremont releases toxic chemicals into the environment. Total: 505.1K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 12% (80.4K lbs to 71.0K lbs).
Western Digital Technologies - Fremont: annual Form-R pounds
MID site · AIR pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Western Digital Technologies - Fremont year-over-year reported totals (decreased by 12% from 2019 to 2023). TRI figures are self-reported estimates and can swing with production, waste handling, and reporting changes, not only with controls. Lead chemical in the extract: N-Methyl-2-pyrrolidone.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 80.4K lbs | 3 |
| 2020 | 97.9K lbs | 3 |
| 2021 | 119.1K lbs | 3 |
| 2022 | 136.7K lbs | 3 |
| 2023 | 71.0K lbs | 3 |
Chemical Releases
Aggregated across all reporting years (2019–2023). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| N-Methyl-2-pyrrolidone | 499.9K lbs | - |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 2.8K lbs | - |
| Nitric acid | 2.5K lbs | - |
Western Digital Technologies - Fremont · AIR-pathway site
Nearest TRI Facilities to Western Digital Technologies - Fremont
Closest other reporters in California - including Bay Area Circuits Inc, Quantumclean, Google LLC, ordered by distance.
Showing 8 of 1,148 other reporting facilities in California.
Similar Computers and Electronic Products Facilities
Other Computers and Electronic Products facilities with similar total release volumes (±80%), outside California - e.g. Texas Instruments Inc, Seh America Inc, Analog Devices Inc. Beaverton.
Compare beyond California
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Western Digital Technologies - Fremont on cumulative reported pounds (505.1K lbs) and distinct chemical count (3). Release-pound peers include Thermafiber Inc, Allnex USA Inc, Dawson Oilseeds Complex. Chemical-count peers include Industrial C&s of Pr LLC Arecibo Plant, Island Litho Corp., Fenwal International Inc. Neighborhoods are forced disjoint so each axis surfaces a different set of sites.
Similar reported release pounds
Nearest out-of-state reporters (≥1,000 lbs) by absolute TRI pounds, not same-industry or same-county neighbors.
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other Western Digital Corp Facilities
Same-parent TRI sites ranked by reported releases - including Western Digital Technologies Inc.
About TRI Data
Data as of 2023 reporting year. Source: U.S. Environmental Protection Agency (EPA) Toxic Release Inventory.
On this page the largest disclosed chemicals include N-Methyl-2-pyrrolidone, Nitrate compounds (water dissociable; reportable only when in aqueous solution), Nitric acid; nearby reporters include Bay Area Circuits Inc. Western Digital Technologies - Fremont stamps MID volume · AIR pathway · CLEAN carcinogen-lbs on this Form-R extract. Totals are self-reported estimates under EPCRA §313, not measured stack emissions or a health-risk score.
Use and verify this record
This Western Digital Technologies - Fremont TRI extract (MID · AIR · CLEAN · lead N-Methyl-2-pyrrolidone) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Western Digital Technologies - Fremont totals are self-reported EPCRA §313 estimates for Fremont, CA, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 334419 · Computers and Electronic Products. 5.4% of Alameda TRI pounds in this extract. Nearest ABS peer: Thermafiber Inc (Δ 20 lbs). Pounds ≠ exposure.
Western Digital Technologies - Fremont stamps MID volume · AIR pathway · CLEAN · lead N-Methyl-2-pyrrolidone. PlainEnviro renders this EPA Form-R extract from its pipeline; no figure is typed in by an editor. Corrections: editorial policy.
All federal data sources used on this page
- EPA Toxics Release Inventory (TRI) Basic Data Files - annual self-reported chemical-release filings. epa.gov
- EPA TRI Program reference - how chemicals and reported releases are counted. epa.gov
- EPA Facility Registry Service - facility location and identity. epa.gov
- EPA ECHO - regulatory and compliance context. epa.gov
- EPA Envirofacts - the EPA data warehouse exposing these datasets. epa.gov