EPA TRI Facility · Transportation Equipment
Southwest Shipyard L.P.
Channelview, TX · Parent: Southwest Shipyard LP
- Total releases
- 136.0K lbs
- Chemicals reported
- 17
- Carcinogens
- 9
- Primary pathway
- Off-site Transfers
MIXED Form-R mix
Southwest Shipyard L.P.: how the 136.0K lbs splits
136.0K lbs across all reported pathways
- Off-site Transfers 81.4K lbs 59.9%
- Air Releases 54.3K lbs 39.9%
- Water Discharges 276 lbs 0.2%
- Land Disposal 0 lbs <0.1%
Southwest Shipyard L.P.'s 136.0K lbs Form-R total is MIXED - off-site transfers is 59.9% of the bar. Next segment: air releases at 39.9%. Leading chemical by pounds: Polycyclic aromatic compounds.
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 MIXED pathway CARC-HEAVY
Southwest Shipyard L.P. is an EPA Toxics Release Inventory reporter in Channelview, TX, in the transportation equipment sector. It reported 31.7K lbs of releases across 14 chemicals in 2023, and 136.0K lbs in total across its 2019-2023 reporting years. That ranks 3,942 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Texas's 2,016 reporting TRI sites, pounds #1 is not chemical-count #1. Southwest Shipyard L.P. is pounds #389 and chemical-count #120 at 136.0K lbs. Ascend Performance Materials-Chocolate Bayou Plant leads reported pounds (94.0M lbs) at 36 chemicals (chemical-count #35). Veolia Es Technical Solutions LLC Port Arthur Facility leads chemical count at 246 chemicals (1.5M lbs, pounds #112). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Pelican Asphalt Co LLC; Clean As New Gulf Coast LLC; Zxp Technologies LLC; K-Solv Chemicals LLC. Similar-scale Transportation Equipment peers outside Texas: Edgewater Power Boats LLC; Kamtek Inc.; Fabbro Marine; Carrera Custom Painting Inc.. Other Southwest Shipyard LP sites in this extract: Southwest Shipyard L.P. - Brady Island; Southwest Shipyard L.P. - Galveston; Southwest Shipyard L.P. - Brady Island West. Largest disclosed chemicals by pounds: Polycyclic aromatic compounds; Xylene (mixed isomers); Toluene; Ethylbenzene.
Southwest Shipyard L.P. is a MID · MIXED-pathway Form-R site in Channelview, TX: 136.0K lbs across 17 chemicals (9 carcinogen-classified, CARC-HEAVY). No single media clears 70% of the bar (lead segment off-site transfers at 59.9%). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Edgewater Power Boats LLC and Kamtek Inc..
Southwest Shipyard L.P. vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
136K lbs Top 15% higher than 85% 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
Southwest Shipyard L.P.: carcinogen-lbs share on Form-R
Among the 1,603 Transportation Equipment facilities in this database, Southwest Shipyard L.P. reports the 246th-largest volume, placing it in the top 15.3% of its sector. Carcinogen-classified chemicals make up 62.7% of the reported pounds, not just of the chemical count. Scale peers outside Texas include Edgewater Power Boats LLC and Kamtek Inc..
Carcinogen-heavy means ≥50% of pounds (62.7% here), not of chemical count. EPA/IARC classification ≠ site risk.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Southwest Shipyard L.P.'s total reported releases rose from 13.4 thousand lb in 2022 to 31.7 thousand lb in 2023, based on EPA TRI filings.
- Southwest Shipyard L.P.'s water releases rose from 1 lb in 2022 to 252 lb in 2023, based on EPA TRI filings.
- Southwest Shipyard L.P.'s air releases rose from 696 lb in 2022 to 15.1 thousand lb in 2023, based on EPA TRI filings.
- Southwest Shipyard L.P.'s chemicals reported rose from 9 in 2022 to 14 in 2023, based on EPA TRI filings.
Southwest Shipyard L.P. Form-R facts
Compare this facility
See how Southwest Shipyard L.P. stacks up against nearby facilities and the typical reporter.
1652.5× more than the comparison
17.0× 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 Southwest Shipyard L.P. releases toxic chemicals into the environment. Total: 136.0K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 47% (60.0K lbs to 31.7K lbs).
Southwest Shipyard L.P.: annual Form-R pounds
MID site · MIXED pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Southwest Shipyard L.P. year-over-year reported totals (decreased by 47% 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: Polycyclic aromatic compounds.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 60.0K lbs | 9 |
| 2020 | 16.1K lbs | 10 |
| 2021 | 14.8K lbs | 12 |
| 2022 | 13.4K lbs | 9 |
| 2023 | 31.7K lbs | 14 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 9 of 17 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Polycyclic aromatic compounds | 77.6K lbs | Carcinogen |
| Xylene (mixed isomers) | 44.5K lbs | - |
| Toluene | 2.3K lbs | - |
| Ethylbenzene | 2.3K lbs | Carcinogen |
| 1,3-Butadiene | 2.2K lbs | Carcinogen |
| Benzene | 1.6K lbs | Carcinogen |
| Methanol | 1.6K lbs | - |
| Dicyclopentadiene | 1.3K lbs | - |
| Propylene oxide | 1.1K lbs | Carcinogen |
| Styrene | 517 lbs | Carcinogen |
| Ammonia | 516 lbs | - |
| Propylene | 505 lbs | - |
| Lead | 23 lbs | Carcinogen |
| Ethylene glycol | 5 lbs | - |
| Methyl methacrylate | 5 lbs | - |
| Dichloromethane | 0 lbs | Carcinogen |
| Isoprene | 0 lbs | Carcinogen |
Southwest Shipyard L.P. in Harris
Nearest TRI Facilities to Southwest Shipyard L.P.
Closest other reporters in Texas - including Pelican Asphalt Co LLC, Clean As New Gulf Coast LLC, Zxp Technologies LLC, ordered by distance.
Showing 8 of 2,015 other reporting facilities in Texas.
Similar Transportation Equipment Facilities
Other Transportation Equipment facilities with similar total release volumes (±80%), outside Texas - e.g. Edgewater Power Boats LLC, Kamtek Inc., Fabbro Marine.
Compare beyond Texas
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Southwest Shipyard L.P. on cumulative reported pounds (136.0K lbs) and distinct chemical count (17). Release-pound peers include Cooper Standard Industrial & Specialty Group, Whirlpool Corp, Magnetic & Penetrant Services Co/mapsco. Chemical-count peers include Astro Chemicals Inc, Doremus Terminal LLC, Rq Resins 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.
- Cooper Standard Industrial & Specialty Group New Philadelphia, OH · Plastics and Rubber 136.0K lbs reported
- Whirlpool Corp Amana, IA · Electrical Equipment 136.0K lbs reported
- Magnetic & Penetrant Services Co/mapsco Seattle, WA · Fabricated Metals 136.0K lbs reported
- Lamb Weston Inc Pasco Plant Pasco, WA · Food 136.0K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other Southwest Shipyard LP Facilities
Same-parent TRI sites ranked by reported releases - including Southwest Shipyard L.P. - Brady Island, Southwest Shipyard L.P. - Galveston, Southwest Shipyard L.P. - Brady Island West.
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 Polycyclic aromatic compounds, Xylene (mixed isomers), Toluene, Ethylbenzene; nearby reporters include Pelican Asphalt Co LLC. Southwest Shipyard L.P. stamps MID volume · MIXED pathway · CARC-HEAVY 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 Southwest Shipyard L.P. TRI extract (MID · MIXED · CARC-HEAVY · lead Polycyclic aromatic compounds) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Southwest Shipyard L.P. totals are self-reported EPCRA §313 estimates for Channelview, TX, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 336611 · Transportation Equipment. 0.1% of Harris TRI pounds in this extract. Nearest ABS peer: Cooper Standard Industrial & Specialty Group (Δ 11 lbs). Pounds ≠ exposure.
Southwest Shipyard L.P. stamps MID · MIXED pathway (off-site transfers leads at 59.9%). 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