Ammonia
Ammonia at Spi Aberdeen-Grays Harbor have more than three-quarters since 2011 (through 2024).
TRI facility · TRI 2024 reporting year
Spi Aberdeen-Grays Harbor
Total reported releases 19k lb rose sharply year over year (+58%). Total releases concentrations have fallen 27% since 2010.
301 HAGARA ST, Aberdeen, Washington · 321113 · Wood Products · operated by Sierra Pacific Industries
Anomaly engine
Notable Signals
Chemicals reported · most recent year
What This Facility Releases
Ammonia
Ammonia concentrations have more than halved since 2011.
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.
Equity context · ACS 2018-2022 block-group demographics
Who Lives Next To This Facility
Within 3 miles of this facility (16 Census block groups, population-weighted demographics): a population of 16,233. Why we surface this →
38.6%
Low-income
30.2%
People of color
5.8%
Under age 5
17.9%
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.