EPA TRI Facility · Miscellaneous Manufacturing
Boston Scientific Weaver Lake Campus
Maple Grove, MN
- Total releases
- 48.0K lbs
- Chemicals reported
- 3
- Carcinogens
- 1
- Primary pathway
- Air Releases
MIXED Form-R mix
Boston Scientific Weaver Lake Campus: how the 48.0K lbs splits
48.0K lbs across all reported pathways
- Air Releases 33.3K lbs 69.4%
- Off-site Transfers 14.7K lbs 30.6%
Boston Scientific Weaver Lake Campus's 48.0K lbs Form-R total is MIXED - air releases is 69.4% of the bar. Next segment: off-site transfers at 30.6%. Leading chemical by pounds: Methanol.
Carcinogen-classified pounds vs other reported pounds
Same cumulative TRI total as above, split by EPA/IARC carcinogen classification on each chemical: pounds share, not chemical count. Classification is not a site health-risk score.
LIGHT volume MIXED pathway CARC-MID
Boston Scientific Weaver Lake Campus is an EPA Toxics Release Inventory reporter in Maple Grove, MN, in the miscellaneous manufacturing sector. It reported 11.3K lbs of releases across 3 chemicals in 2023, and 48.0K lbs in total across its 2019-2023 reporting years. That ranks 6,204 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Minnesota's 459 reporting TRI sites, pounds #1 is not chemical-count #1. Boston Scientific Weaver Lake Campus is pounds #136 and chemical-count #178 at 48.0K lbs. Xcel Energy Sherburne County Generating Plant leads reported pounds (21.5M lbs) at 24 chemicals (chemical-count #4). 3M Chemical Operations' Cottage Grove Facility leads chemical count at 72 chemicals (3.0M lbs, pounds #8). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Upsher-Smith Laboratories LLC; Abelconn LLC; Advanced Circuits Minnesota; Holcim - Mwr Inc. Maple Grove Ready Mix. Similar-scale Miscellaneous Manufacturing peers outside Minnesota: Glaspro Inc.; Trelleborg Seals Div; Luxottica Optical Manufacturing-Columbus; Salisbury Electrical Safety LLC. Largest disclosed chemicals by pounds: Methanol; Thiourea; Nitric acid.
Boston Scientific Weaver Lake Campus is a LIGHT · MIXED-pathway Form-R site in Maple Grove, MN: 48.0K lbs across 3 chemicals (1 carcinogen-classified, CARC-MID). No single media clears 70% of the bar (lead segment air releases at 69.4%). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Glaspro Inc. and Trelleborg Seals Div.
Boston Scientific Weaver Lake Campus vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
48K lbs Top 24% higher than 76% 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
Boston Scientific Weaver Lake Campus: Methanol-led volume
Among the 371 Miscellaneous Manufacturing facilities in this database, Boston Scientific Weaver Lake Campus reports the 55th-largest volume, placing it in the top 14.8% of its sector. Its reported volume is concentrated rather than spread: Methanol alone is 65.8% of the total. Scale peers outside Minnesota include Glaspro Inc. and Trelleborg Seals Div.
Concentrated means ≥60% of Boston Scientific Weaver Lake Campus's pounds in one chemical - here Methanol at 65.8%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Boston Scientific Weaver Lake Campus's total reported releases fell from 18.4 thousand lb in 2022 to 11.3 thousand lb in 2023, based on EPA TRI filings.
- Boston Scientific Weaver Lake Campus's off-site transfers fell from 7.7 thousand lb in 2022 to 4.2 thousand lb in 2023, based on EPA TRI filings.
- Boston Scientific Weaver Lake Campus's air releases fell from 10.6 thousand lb in 2022 to 7.1 thousand lb in 2023, based on EPA TRI filings.
Boston Scientific Weaver Lake Campus Form-R facts
Compare this facility
See how Boston Scientific Weaver Lake Campus stacks up against nearby facilities and the typical reporter.
20.7× more than the comparison
3.0× 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 Boston Scientific Weaver Lake Campus releases toxic chemicals into the environment. Total: 48.0K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 86% (6.1K lbs to 11.3K lbs).
Boston Scientific Weaver Lake Campus: annual Form-R pounds
LIGHT site · MIXED pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Boston Scientific Weaver Lake Campus year-over-year reported totals (increased by 86% 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: Methanol.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 6.1K lbs | 3 |
| 2020 | 4.6K lbs | 3 |
| 2021 | 7.7K lbs | 3 |
| 2022 | 18.4K lbs | 3 |
| 2023 | 11.3K lbs | 3 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 1 of 3 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Methanol | 31.6K lbs | - |
| Thiourea | 14.3K lbs | Carcinogen |
| Nitric acid | 2.1K lbs | - |
Boston Scientific Weaver Lake Campus in Hennepin
Nearest TRI Facilities to Boston Scientific Weaver Lake Campus
Closest other reporters in Minnesota - including Upsher-Smith Laboratories LLC, Abelconn LLC, Advanced Circuits Minnesota, ordered by distance.
Showing 8 of 458 other reporting facilities in Minnesota.
Similar Miscellaneous Manufacturing Facilities
Other Miscellaneous Manufacturing facilities with similar total release volumes (±80%), outside Minnesota - e.g. Glaspro Inc., Trelleborg Seals Div, Luxottica Optical Manufacturing-Columbus.
Compare beyond Minnesota
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Boston Scientific Weaver Lake Campus on cumulative reported pounds (48.0K lbs) and distinct chemical count (3). Release-pound peers include Rainbow Fertilizer LLC, American Packaging Corp, General Mills Reed City Yoplait Plant. 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).
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 Methanol, Thiourea, Nitric acid; nearby reporters include Upsher-Smith Laboratories LLC. Boston Scientific Weaver Lake Campus stamps LIGHT volume · MIXED pathway · CARC-MID 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 Boston Scientific Weaver Lake Campus TRI extract (LIGHT · MIXED · CARC-MID · lead Methanol) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Boston Scientific Weaver Lake Campus totals are self-reported EPCRA §313 estimates for Maple Grove, MN, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 339112 · Miscellaneous Manufacturing. 1.0% of Hennepin TRI pounds in this extract. Nearest ABS peer: Rainbow Fertilizer LLC (Δ 27 lbs). Pounds ≠ exposure.
Boston Scientific Weaver Lake Campus stamps LIGHT · MIXED pathway (air releases leads at 69.4%). Pipeline-rendered EPA Form-R only - no editor-typed pounds. 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