N420
N420 releases at Golden Vertex Corp fell from 19k lb to 0 lb (100% lower) between 2023 and 2024.
TRI facility · TRI 2024 reporting year
Golden Vertex Corp
Total reported releases 688 lb more than halved year over year (-97%). Total releases concentrations are up 32% since 2018.
2127 SOUTH OPPORTUNITY WAY, Bullhead City, Arizona · 212220 · Metal Mining · operated by Mako US
Anomaly engine
Notable Signals
Chemicals reported · most recent year
What This Facility Releases
Cyanide compounds
Cyanide compounds concentrations have more than doubled since 2018.
Zinc (fume or dust)
Zinc (fume or dust) 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 (1 Census block groups, population-weighted demographics): a population of 1,603. Why we surface this →
32.9%
Low-income
26.5%
People of color
1.2%
Under age 5
29.3%
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.