N590
N590 releases at Southwest Shipyard L.P. fell from 16k lb to 0 lb (100% lower) between 2023 and 2024.
TRI facility · TRI 2024 reporting year
Southwest Shipyard L.P.
Total reported releases 26k lb fell meaningfully year over year (-17%). Total releases concentrations have more than halved since 2010.
18310 MARKET ST, Channelview, Texas · 336611 · Transportation Equipment · operated by Southwest Shipyard LP
Anomaly engine
Notable Signals
Total reported releases
Total reported releases at Southwest Shipyard L.P. have more than halved since 2010 (through 2024).
Chemicals reported · most recent year
What This Facility Releases
Vinyl acetate
Vinyl acetate concentrations have more than doubled since 2011.
Xylene (mixed isomers)
Xylene (mixed isomers) concentrations have fallen 43% since 2010.
1,3-Butadiene
1,3-Butadiene concentrations are up 31% since 2010.
p-Xylene
p-Xylene volumes here are too small to anchor a multi-year trend; YoY movement is still shown above.
Benzene
Benzene concentrations have more than halved since 2010.
Propylene oxide
Propylene oxide concentrations are roughly unchanged from 2010.
Lead
Lead concentrations have fallen 28% since 2010.
Equity context · ACS 2018-2022 block-group demographics
Who Lives Next To This Facility
Within 3 miles of this facility (14 Census block groups, population-weighted demographics): a population of 21,536. Why we surface this →
40.3%
Low-income
71.6%
People of color
10.1%
Under age 5
12.7%
Over age 64
Source: Census ACS 2018-2022 block-group demographics, population-weighted across the 3-mile buffer around this facility (from USEPA-clone/EJAM-open blockgroupstats). Indicator-level percentile and EJ-disparity scores are surfaced on the county page and the state page — they describe wider regional exposure burdens, not effects attributable to a single facility.
Source. EPA Toxics Release Inventory · retrieved 2026-05-07. Reporting year 2024. TRI is a federal public-domain dataset under 17 USC §105.
What this is not. TRI quantifies releases reported by the facility under EPCRA §313 — not ambient air or water concentrations measured at receptors. We do not attribute individual health outcomes to specific facilities; that exceeds what the data can support.