Zinc compounds
Zinc compounds releases at Nucor Steel Decatur LLC fell from 66k lb to 8k lb (88% lower) between 2023 and 2024.
TRI facility · TRI 2024 reporting year
Nucor Steel Decatur LLC
Total reported releases 130k lb fell sharply year over year (-44%). Total releases concentrations have more than halved since 2010.
4301 IVERSON BLVD, Trinity, Alabama · 331110 · Primary Metals · operated by Nucor CORP
Anomaly engine
Notable Signals
Zinc compounds
Zinc compounds at Nucor Steel Decatur LLC have more than three-quarters since 2010 (through 2024).
Total reported releases
Total reported releases at Nucor Steel Decatur LLC have more than halved since 2010 (through 2024).
Chemicals reported · most recent year
What This Facility Releases
Manganese And Manganese Compounds
Manganese And Manganese Compounds concentrations have fallen 14% since 2010.
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 have more than doubled since 2010.
Nonylphenol Ethoxylates
Nonylphenol Ethoxylates concentrations have fallen 18% since 2021.
Zinc compounds
Zinc compounds concentrations have more than halved since 2010.
Copper compounds
Copper compounds concentrations are up 42% since 2010.
Vanadium compounds
Vanadium compounds concentrations have more than halved since 2016.
Nickel And Nickel Compounds
Nickel And Nickel Compounds concentrations are up 59% since 2010.
Sodium nitrite
Sodium nitrite concentrations have more than doubled since 2023.
Equity context · ACS 2018-2022 block-group demographics
Who Lives Next To This Facility
Within 3 miles of this facility (2 Census block groups, population-weighted demographics): a population of 2,111. Why we surface this →
20.1%
Low-income
25.2%
People of color
4.5%
Under age 5
10.9%
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.