EPA TRI Facility · Transportation Equipment
Bath Iron Works
Bath, ME · Parent: General Dynamics Corp
- Total releases
- 117.4K lbs
- Chemicals reported
- 10
- Carcinogens
- 3
- Primary pathway
- Air Releases
AIR Form-R mix
Bath Iron Works: how the 141.5K lbs splits
141.5K lbs across all reported pathways
- Air Releases 132.3K lbs 93.5%
- Off-site Transfers 9.2K lbs 6.5%
- Water Discharges 37 lbs <0.1%
Bath Iron Works's 141.5K lbs Form-R total is AIR - air releases is 93.5% of the bar. Next segment: off-site transfers at 6.5%. Leading chemical by pounds: Xylene (mixed isomers).
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.
MID volume AIR pathway TRACE-CARC
Bath Iron Works is an EPA Toxics Release Inventory reporter in Bath, ME, in the transportation equipment sector. It reported 24.1K lbs of releases across 9 chemicals in 2024, and 117.4K lbs in total across its 2019-2024 reporting years. That ranks 4,255 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Maine's 81 reporting TRI sites, Sappi N.a. Inc. - Somerset Operations leads both reported pounds (10.6M lbs) and chemical count (31 chemicals). The two rankings do not invert in this pool. Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Bath Iron Works-Structural Fabrication Facility (formerly Ha; Bath Iron Works Outfit Fabrication Facility (formerly Ebmf); Molnlycke Manufacturing US LLC (formally Rynel); Masters Machine Co. Similar-scale Transportation Equipment peers outside Maine: Ventra Ionia Paint LLC; Dana Driveshaft Products LLC; Oshkosh Defense LLC; Brandfx LLC. Other General Dynamics Corp sites in this extract: General Dynamics (nassco); Electric Boat Corp; General Dynamics Electric Boat Corp; Bath Iron Works-Structural Fabrication Facility (formerly Ha. Largest disclosed chemicals by pounds: Xylene (mixed isomers); n-Butyl alcohol; 1,2,4-Trimethylbenzene; Manganese.
Bath Iron Works stamps MID volume with a dominant AIR pathway (93.5% air releases) across 10 chemicals · 3 carcinogen-classified. Cumulative Form-R extract: 117.4K lbs (2019–2024). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Ventra Ionia Paint LLC and Dana Driveshaft Products LLC.
Bath Iron Works vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
117K lbs Top 16% higher than 84% 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
Bath Iron Works inside Sagadahoc's TRI pounds
Among the 1,603 Transportation Equipment facilities in this database, Bath Iron Works reports the 269th-largest volume, placing it in the top 16.8% of its sector. This one site accounts for 100% of every pound reported in Sagadahoc. Scale peers outside Maine include Ventra Ionia Paint LLC and Dana Driveshaft Products LLC.
County-dominant here means ≥25% of Sagadahoc's reported pounds (117.4K lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Bath Iron Works's total reported releases fell from 25.5 thousand lb in 2022 to 24.1 thousand lb in 2023, based on EPA TRI filings.
- Bath Iron Works's off-site transfers fell from 1.9 thousand lb in 2022 to 1.2 thousand lb in 2023, based on EPA TRI filings.
- Bath Iron Works's air releases fell from 23.6 thousand lb in 2022 to 22.9 thousand lb in 2023, based on EPA TRI filings.
Bath Iron Works Form-R facts
Compare this facility
See how Bath Iron Works stacks up against nearby facilities and the typical reporter.
19% less than the comparison
43% 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 Bath Iron Works releases toxic chemicals into the environment. Total: 141.5K lbs.
Emissions Trend Summary
From 2019 to 2024, total releases increased by 29% (18.6K lbs to 24.1K lbs).
Bath Iron Works: annual Form-R pounds
MID site · AIR pathway · TRI years 2019–2024
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
- 2024 0
What this shows Bath Iron Works year-over-year reported totals (increased by 29% from 2019 to 2024). 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: Xylene (mixed isomers).
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 18.6K lbs | 8 |
| 2020 | 20.3K lbs | 10 |
| 2021 | 28.9K lbs | 9 |
| 2022 | 25.5K lbs | 9 |
| 2023 | 24.1K lbs | 9 |
| 2024 | 24.1K lbs | 9 |
Chemical Releases
Aggregated across all reporting years (2019–2024). 3 of 10 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Xylene (mixed isomers) | 50.1K lbs | - |
| n-Butyl alcohol | 47.7K lbs | - |
| 1,2,4-Trimethylbenzene | 34.4K lbs | - |
| Manganese | 5.6K lbs | - |
| Copper | 1.9K lbs | - |
| Chromium | 846 lbs | - |
| Nickel | 830 lbs | Carcinogen |
| Propylene | 28 lbs | - |
| Lead | 6 lbs | Carcinogen |
| Polycyclic aromatic compounds | 0 lbs | Carcinogen |
Bath Iron Works · AIR-pathway site
Nearest TRI Facilities to Bath Iron Works
Closest other reporters in Maine - including Bath Iron Works-Structural Fabrication Facility (formerly Ha, Bath Iron Works Outfit Fabrication Facility (formerly Ebmf), Molnlycke Manufacturing US LLC (formally Rynel), ordered by distance.
Showing 8 of 80 other reporting facilities in Maine.
Similar Transportation Equipment Facilities
Other Transportation Equipment facilities with similar total release volumes (±80%), outside Maine - e.g. Ventra Ionia Paint LLC, Dana Driveshaft Products LLC, Oshkosh Defense LLC.
Compare beyond Maine
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Bath Iron Works on cumulative reported pounds (117.4K lbs) and distinct chemical count (10). Release-pound peers include Puget Sound Coatings, Shuqualak Lumber Co, Rocknel Fastener Inc.. Chemical-count peers include Harris Paints Corp., Saint Thomas Bulk Terminal, Total Guaynabo Bulk Terminal. 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 General Dynamics Corp Facilities
Same-parent TRI sites ranked by reported releases - including General Dynamics (nassco), Electric Boat Corp, General Dynamics Electric Boat Corp.
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 Xylene (mixed isomers), n-Butyl alcohol, 1,2,4-Trimethylbenzene, Manganese; nearby reporters include Bath Iron Works-Structural Fabrication Facility (formerly Ha. Bath Iron Works stamps MID volume · AIR pathway · TRACE-CARC 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 Bath Iron Works TRI extract (MID · AIR · TRACE-CARC · lead Xylene (mixed isomers)) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Bath Iron Works totals are self-reported EPCRA §313 estimates for Bath, ME, latest year 2023. Form-R rows span 2019–2024 (6 years). NAICS 336611 · Transportation Equipment. 100% of Sagadahoc TRI pounds in this extract. Nearest ABS peer: Puget Sound Coatings (Δ 10 lbs). Pounds ≠ exposure.
Bath Iron Works stamps MID volume · AIR pathway · TRACE-CARC · lead Xylene (mixed isomers). 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