EPA TRI Facility · Computers and Electronic Products
Sierra Electrotek LLC
Oak Creek, WI
- Total releases
- 1.8K lbs
- Chemicals reported
- 4
- Latest report
- 2023
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
Sierra Electrotek LLC: how the 1.8K lbs splits
1.8K lbs across all reported pathways
- Off-site Transfers 1.8K lbs 100.0%
Sierra Electrotek LLC's 1.8K lbs Form-R total is OFFSITE - off-site transfers is 100.0% of the bar. Off-site transfers stay separate from air, water, and land releases. Leading chemical by pounds: Copper And Copper Compounds.
LIGHT volume OFFSITE pathway CLEAN
Sierra Electrotek LLC is an EPA Toxics Release Inventory reporter in Oak Creek, WI, in the computers and electronic products sector. It reported 168 lbs of releases across 2 chemicals in 2023, and 1.8K lbs in total across its 2019-2023 reporting years. That ranks 12,956 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Wisconsin's 836 reporting TRI sites, pounds #1 is not chemical-count #1. Sierra Electrotek LLC is pounds #509 and chemical-count #278 at 1.8K lbs. Mullins Cheese Inc leads reported pounds (11.2M lbs) at 3 chemicals (chemical-count #319). Ppg Industries Inc-Oak Creek leads chemical count at 32 chemicals (2.2M lbs, pounds #16). Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Bay View Industries; Wpc Technologies; Henkel US Operations Corp; Bay View Industries - North Facility. Similar-scale Computers and Electronic Products peers outside Wisconsin: Lockheed Martin Corp; United Electronics Corp; Solon Manufacturing Co; Pcb Piezotronics. Largest disclosed chemicals by pounds: Copper And Copper Compounds; Copper compounds; Lead And Lead Compounds; Lead compounds.
Sierra Electrotek LLC stamps LIGHT volume with a dominant OFFSITE pathway (100.0% off-site transfers) across 4 chemicals. Cumulative Form-R extract: 1.8K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Lockheed Martin Corp and United Electronics Corp.
Sierra Electrotek LLC vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
1.8K lbs Top 50% higher than 50% 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
Sierra Electrotek LLC: Copper And Copper Compounds-led volume
Among the 760 Computers and Electronic Products facilities in this database, Sierra Electrotek LLC reports the 225th-largest volume (1.8K lbs). Its reported volume is concentrated rather than spread: Copper And Copper Compounds alone is 90.5% of the total. Scale peers outside Wisconsin include Lockheed Martin Corp and United Electronics Corp.
Concentrated means ≥60% of Sierra Electrotek LLC's pounds in one chemical - here Copper And Copper Compounds at 90.5%. Not a toxicity score.
Sierra Electrotek LLC Form-R facts
Compare this facility
See how Sierra Electrotek LLC stacks up against nearby facilities and the typical reporter.
96% less than the comparison
2.0× 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 Sierra Electrotek LLC releases toxic chemicals into the environment. Total: 1.8K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 67% (510 lbs to 168 lbs).
Sierra Electrotek LLC: annual Form-R pounds
LIGHT site · OFFSITE pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Sierra Electrotek LLC year-over-year reported totals (decreased by 67% 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: Copper And Copper Compounds.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 510 lbs | 2 |
| 2020 | 680 lbs | 2 |
| 2021 | 290 lbs | 2 |
| 2022 | 174 lbs | 2 |
| 2023 | 168 lbs | 2 |
Chemical Releases
Aggregated across all reporting years (2019–2023). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Copper And Copper Compounds | 1.6K lbs | - |
| Copper compounds | 174 lbs | - |
| Lead And Lead Compounds | 0 lbs | - |
| Lead compounds | 0 lbs | - |
Sierra Electrotek LLC · OFFSITE-pathway site
Nearest TRI Facilities to Sierra Electrotek LLC
Closest other reporters in Wisconsin - including Bay View Industries, Wpc Technologies, Henkel US Operations Corp, ordered by distance.
Showing 8 of 835 other reporting facilities in Wisconsin.
Similar Computers and Electronic Products Facilities
Other Computers and Electronic Products facilities with similar total release volumes (±80%), outside Wisconsin - e.g. Lockheed Martin Corp, United Electronics Corp, Solon Manufacturing Co.
Compare beyond Wisconsin
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Sierra Electrotek LLC on cumulative reported pounds (1.8K lbs) and distinct chemical count (4). Release-pound peers include Ferrara Fire Apparatus, Pro Petroleum LLC - West Phoenix Terminal, Calportland Co Fountain Hills. Chemical-count peers include Hamilton Sundstrand de Puerto Rico Inc., Abb Installation Products Caribe LLC, Solenis LLC. 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.
- Ferrara Fire Apparatus Holden, LA · Transportation Equipment 1.8K lbs reported
- Pro Petroleum LLC - West Phoenix Terminal Phoenix, AZ · Petroleum Bulk Terminals 1.8K lbs reported
- Calportland Co Fountain Hills Fort Mcdowell, AZ · Nonmetallic Mineral Product 1.8K lbs reported
- Legacy Boats LLC DBA Avid Boats Amory, MS · Transportation Equipment 1.8K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
- Hamilton Sundstrand de Puerto Rico Inc. Santa Isabel, PR · Transportation Equipment 4 chemicals
- Abb Installation Products Caribe LLC Vega Baja, PR · Electrical Equipment 4 chemicals
- Solenis LLC Chicopee, MA · Chemicals 4 chemicals
- Adhesive Applications Inc. - O'Neill St Easthampton Easthampton, MA · Miscellaneous Manufacturing 4 chemicals
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 Copper And Copper Compounds, Copper compounds, Lead And Lead Compounds, Lead compounds; nearby reporters include Bay View Industries. Sierra Electrotek LLC stamps LIGHT volume · OFFSITE 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 Sierra Electrotek LLC TRI extract (LIGHT · OFFSITE · CLEAN · lead Copper And Copper Compounds) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Sierra Electrotek LLC totals are self-reported EPCRA §313 estimates for Oak Creek, WI, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 334412 · Computers and Electronic Products. 0.0% of Milwaukee TRI pounds in this extract. Nearest ABS peer: Ferrara Fire Apparatus (Δ 0 lbs). Pounds ≠ exposure.
Sierra Electrotek LLC stamps LIGHT volume · OFFSITE pathway · CLEAN · lead Copper And Copper Compounds. 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