Total reported releases
Total reported releases at Nevada Gold Mines LLC - Turquoise Ridge have more than doubled since 2010 (through 2024).
TRI facility · TRI 2024 reporting year
Nevada Gold Mines LLC - Turquoise Ridge
Total reported releases 15.1M lb fell modestly year over year (-5%). Total releases concentrations have more than doubled since 2010.
28 MILES NE OF GOLCONDA, Golconda, Nevada · 212220 · Metal Mining · operated by Barrick Nevada Holding LLC
Anomaly engine
Notable Signals
Arsenic compounds
Arsenic compounds at Nevada Gold Mines LLC - Turquoise Ridge have more than doubled since 2010 (through 2024).
Mercury And Mercury Compounds
Mercury And Mercury Compounds releases at Nevada Gold Mines LLC - Turquoise Ridge rose from 113k lb to 198k lb between 2023 and 2024.
Ammonia
Ammonia releases at Nevada Gold Mines LLC - Turquoise Ridge fell from 166k lb to 9k lb (94% lower) between 2023 and 2024.
Showing the 4 most editorially weighted signals out of 5. Lower-severity signals fold into the chemical breakdown and history charts below.
Chemicals reported · most recent year
What This Facility Releases
Arsenic compounds
Arsenic compounds concentrations have more than doubled since 2010.
Antimony compounds
Antimony compounds concentrations have more than halved since 2019.
Nitrate compounds (water dissociable; reportable only when in aqueous solution)
Nitrate compounds (water dissociable; reportable only when in aqueous solution) concentrations are up 53% since 2019.
Manganese And Manganese Compounds
Manganese And Manganese Compounds concentrations have fallen 43% since 2019.
Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)
Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) concentrations are up 88% since 2019.
Lead And Lead Compounds
Lead And Lead Compounds concentrations have more than doubled since 2016.
Zinc compounds
Zinc compounds concentrations have more than halved since 2019.
Vanadium compounds
Vanadium compounds concentrations have fallen 41% since 2019.
Equity context · ACS 2018-2022 block-group demographics
Who Lives Next To This Facility
Humboldt County County, NV (no Census block groups within 3 miles — falling back to containing county): a population of 17,266. Why we surface this →
14.3%
Low-income
35.9%
People of color
7.7%
Under age 5
15.4%
Over age 64
Source: Census ACS 2018-2022 (5-year), county-level fallback. 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.