Matalco Wisconsin LLC
Total reported releases 4k lb held roughly steady year over year (+4%). Total releases concentrations have more than doubled since 2021.
4499 COMMERCE DR, Wisconsin Rapids, Wisconsin · 331524 · Primary Metals · operated by Matalco USA LLC
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
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 doubled since 2022.
Manganese
Manganese concentrations are up 26% since 2021.
Copper
Copper concentrations have more than halved since 2021.
Chromium
Chromium concentrations are up 76% since 2023.
Lead
Lead concentrations have more than halved since 2021.
Dioxin and dioxin-like compounds
Dioxin and dioxin-like compounds volumes here are too small to anchor a multi-year trend; YoY movement is still shown above.
Who Lives Next To This Facility
Within 3 miles of this facility (11 Census block groups, population-weighted demographics): a population of 11,291. 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.