Nucor Steel Seattle INC
Total reported releases 281k lb fell sharply year over year (-45%). Total releases concentrations have fallen 27% since 2011.
2424 SW ANDOVER, Seattle, Washington · 331110 · Primary Metals · operated by Nucor CORP
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
Manganese And Manganese Compounds
Manganese And Manganese Compounds concentrations have more than doubled since 2011.
Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)
Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) concentrations are up 54% since 2011.
Zinc compounds
Zinc compounds concentrations have more than doubled since 2010.
Copper And Copper Compounds
Copper And Copper Compounds concentrations have more than halved since 2011.
Nickel And Nickel Compounds
Nickel And Nickel Compounds concentrations have more than halved since 2011.
Lead And Lead Compounds
Lead And Lead Compounds concentrations have more than doubled since 2010.
Polycyclic aromatic compounds
Polycyclic aromatic compounds concentrations have more than doubled since 2016.
Mercury And Mercury Compounds
Mercury And Mercury Compounds concentrations have more than halved since 2010.
Who Lives Next To This Facility
Within 3 miles of this facility (80 Census block groups, population-weighted demographics): a population of 109,515. Why we surface this →
Low-income
People of color
Under age 5
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.