Total reported releases
Total reported releases at Weyerhaeuser Nr CO have more than doubled since 2010 (through 2024).
TRI facility · TRI 2024 reporting year
Weyerhaeuser Nr CO
Total reported releases 123k lb fell meaningfully year over year (-21%). Total releases concentrations have more than doubled since 2010.
13051 HIGHWAY 278 N, Dierks, Arkansas · 321113 · Wood Products · operated by Weyerhaeuser Co
Anomaly engine
Notable Signals
Methanol
Methanol at Weyerhaeuser Nr CO have risen 90% since 2010 (through 2024).
Chemicals reported · most recent year
What This Facility Releases
Methanol
Methanol concentrations are up 90% since 2010.
Formaldehyde
Formaldehyde concentrations are roughly unchanged from 2018.
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 644. Why we surface this →
63.1%
Low-income
6.2%
People of color
6.5%
Under age 5
38.0%
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.