Ammonia
Ammonia releases at Nucor Steel-Arkansas rose from 11k lb to 27k lb (2.4×) between 2023 and 2024.
Total reported releases 1.1M lb rose modestly year over year (+8%). Total releases concentrations are roughly unchanged from 2010.
7301 E COUNTY RD 142, Blytheville, Arkansas · 331110 · Primary Metals · operated by Nucor CORP
Ammonia releases at Nucor Steel-Arkansas rose from 11k lb to 27k lb (2.4×) between 2023 and 2024.
Zinc compounds concentrations are roughly unchanged from 2010.
Manganese And Manganese Compounds concentrations are up 32% since 2010.
Ammonia concentrations have more than doubled since 2020.
Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) concentrations are roughly unchanged from 2010.
Copper And Copper Compounds concentrations are up 12% since 2010.
Lead And Lead Compounds concentrations have fallen 42% since 2010.
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) concentrations have more than doubled since 2010.
Nickel And Nickel Compounds concentrations are roughly unchanged from 2010.
Within 3 miles of this facility (1 Census block groups, population-weighted demographics): a population of 1,936. 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.