Manganese
Manganese releases at Skyline Steel Llc-Iuka rose from 44k lb to 93k lb (2.1×) between 2023 and 2024.
TRI facility · TRI 2024 reporting year
Skyline Steel Llc-Iuka
Total reported releases 93k lb more than doubled year over year (+110%). Total releases concentrations have more than doubled since 2010.
77 COUNTY RD 351, Iuka, Mississippi · 331210 · Primary Metals · operated by Nucor CORP
Anomaly engine
Notable Signals
Chemicals reported · most recent year
What This Facility Releases
Manganese
Manganese concentrations have more than doubled since 2010.
Lead
Lead volumes here are too small to anchor a multi-year trend; YoY movement is still shown above.
Equity context · ACS 2018-2022 block-group demographics
Who Lives Next To This Facility
Within 3 miles of this facility (1 Census block groups, population-weighted demographics): a population of 491. Why we surface this →
35.3%
Low-income
6.9%
People of color
6.5%
Under age 5
26.1%
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.