Louisiana-Pacific Hayward Siding
Total reported releases 80k lb rose modestly year over year (+12%). Total releases concentrations are roughly unchanged from 2010.
16571 W US HWY 63, Hayward, Wisconsin · 321219 · Wood Products · operated by Louisiana Pacific CORP
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
Formaldehyde
Formaldehyde concentrations are up 40% since 2010.
Methanol
Methanol concentrations have fallen 20% since 2010.
Acetaldehyde
Acetaldehyde concentrations are up 66% since 2010.
Zinc compounds
Zinc compounds concentrations have more than halved since 2010.
Diisocyanates
Diisocyanates concentrations have fallen 37% since 2010.
Lead And Lead Compounds
Lead And Lead Compounds concentrations have more than halved since 2018.
Who Lives Next To This Facility
Within 3 miles of this facility (1 Census block groups, population-weighted demographics): a population of 1,828. 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.