Copper And Copper Compounds
Copper And Copper Compounds releases at Nucor Steel Jackson INC fell from 309k lb to 117k lb (62% lower) between 2023 and 2024.
TRI facility · TRI 2024 reporting year
Nucor Steel Jackson INC
Total reported releases 941k lb fell modestly year over year (-9%). Total releases concentrations have fallen 10% since 2010.
3630 FOURTH ST, Flowood, Mississippi · 331110 · Primary Metals · operated by Nucor CORP
Anomaly engine
Notable Signals
Chemicals reported · most recent year
What This Facility Releases
Zinc compounds
Zinc compounds concentrations have fallen 20% since 2010.
Copper And Copper Compounds
Copper And Copper Compounds concentrations are up 47% since 2010.
Barium And Barium Compounds
Barium And Barium Compounds concentrations have fallen 29% since 2010.
Manganese And Manganese Compounds
Manganese And Manganese Compounds concentrations have more than doubled since 2010.
Lead And Lead Compounds
Lead And Lead Compounds concentrations are roughly unchanged from 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.
Nickel And Nickel Compounds
Nickel And Nickel Compounds concentrations have more than halved since 2010.
Mercury And Mercury Compounds
Mercury And Mercury Compounds concentrations have more than halved since 2010.
Equity context · ACS 2018-2022 block-group demographics
Who Lives Next To This Facility
Within 3 miles of this facility (25 Census block groups, population-weighted demographics): a population of 27,623. Why we surface this →
34.4%
Low-income
37.6%
People of color
5.2%
Under age 5
16.8%
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.