Heidtman Steel Products INC.
Total reported releases 6k lb rose by an order of magnitude year over year (+585%). Total releases concentrations are roughly unchanged from 2010.
10 NORTHGATE INDUSTRIAL DR, Granite City, Illinois · 332813 · Fabricated Metals · operated by Heidtman Steel Products INC
Notable Signals
No notable signals at this facility for the current reporting year. See chemicals and equity context below for the full picture.
What This Facility Releases
Manganese
Manganese concentrations have more than doubled since 2016.
Copper
Copper concentrations have more than doubled since 2011.
Chromium
Chromium concentrations are up 96% since 2016.
Nickel
Nickel concentrations have more than doubled since 2010.
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) concentrations have more than halved since 2010.
Who Lives Next To This Facility
Within 3 miles of this facility (27 Census block groups, population-weighted demographics): a population of 31,187. 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.