Copper
Copper releases at US Army Garrison Yuma Proving Ground rose from 21k lb to 32k lb between 2023 and 2024.
TRI facility · TRI 2024 reporting year
US Army Garrison Yuma Proving Ground
Total reported releases 52k lb rose sharply year over year (+40%). Total releases concentrations have more than doubled since 2010.
301 C ST BUILDING 307 IMYM PWE, Yuma, Arizona · 928110 · Other · operated by US Department Of Defense
Anomaly engine
Notable Signals
Chemicals reported · most recent year
What This Facility Releases
Copper
Copper concentrations have more than doubled since 2014.
Nitroglycerin
Nitroglycerin concentrations are roughly unchanged from 2020.
Lead
Lead concentrations have more than halved since 2010.
Lead compounds
Lead compounds concentrations have more than halved since 2011.
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 159. Why we surface this →
23.9%
Low-income
1.3%
People of color
0.0%
Under age 5
32.7%
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.