Zinc compounds
Zinc compounds at Alton Steel INC have more than three-quarters since 2010 (through 2024).
Total reported releases 14k lb fell meaningfully year over year (-34%). Total releases concentrations have more than halved since 2010.
5 CUT ST, Alton, Illinois · 331110 · Primary Metals · operated by Alton Steel INC
Zinc compounds at Alton Steel INC have more than three-quarters since 2010 (through 2024).
Total reported releases at Alton Steel INC have more than three-quarters since 2010 (through 2024).
Manganese And Manganese Compounds at Alton Steel INC have more than three-quarters since 2010 (through 2024).
Manganese And Manganese Compounds concentrations have more than halved since 2010.
Zinc compounds concentrations have more than halved since 2010.
Lead And Lead Compounds concentrations have more than halved since 2010.
Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) concentrations have more than halved since 2010.
Mercury And Mercury Compounds concentrations have more than doubled since 2011.
Nickel And Nickel Compounds concentrations have more than halved since 2010.
Within 3 miles of this facility (32 Census block groups, population-weighted demographics): a population of 30,472. 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.