Union Carbide Corp Seadrift Plant
Total reported releases 1.3M lb held roughly steady year over year (+2%). Total releases concentrations are up 33% since 2010.
7501 N HWY 185, Seadrift, Texas · 325199 · Chemicals · operated by Dow INC
Notable Signals
No notable signals at this facility for the current reporting year. See chemicals and equity context below for the full picture.
What This Facility Releases
Ethylene
Ethylene concentrations are up 48% since 2010.
Propylene
Propylene concentrations are roughly unchanged from 2010.
Ammonia
Ammonia concentrations are up 18% since 2010.
n-Butyl alcohol
n-Butyl alcohol concentrations are roughly unchanged from 2010.
Vinyl acetate
Vinyl acetate concentrations are roughly unchanged from 2010.
Certain glycol ethers
Certain glycol ethers concentrations have more than halved since 2010.
1,4-Dioxane
1,4-Dioxane concentrations have fallen 43% since 2010.
Ethylene oxide
Ethylene oxide concentrations are up 16% since 2010.
Who Lives Next To This Facility
Calhoun County County, TX (no Census block groups within 3 miles — falling back to containing county): a population of 20,127. Why we surface this →
Low-income
People of color
Under age 5
Over age 64
Source: Census ACS 2018-2022 (5-year), county-level fallback. 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.