Arsenic compounds
Arsenic compounds at Nevada Gold Mines Llc-Cortez District have more than doubled since 2010 (through 2024).
TRI facility · TRI 2024 reporting year
Nevada Gold Mines Llc-Cortez District
Total reported releases 12.0M lb rose meaningfully year over year (+23%). Total releases concentrations are roughly unchanged from 2010.
30 MILES S OF I-80 BETWEEN STATE ROUTE 306 & STATE ROUTE 278, Crescent Valley, Nevada · 212220 · Metal Mining · operated by Barrick Nevada Holding LLC
Anomaly engine
Notable Signals
Lead And Lead Compounds
Lead And Lead Compounds releases at Nevada Gold Mines Llc-Cortez District rose from 4.1M lb to 8.9M lb (2.2×) between 2023 and 2024.
Nitrate compounds (water dissociable; reportable only when in aqueous solution)
Nitrate compounds (water dissociable; reportable only when in aqueous solution) releases at Nevada Gold Mines Llc-Cortez District fell from 2.4M lb to 164k lb (93% lower) between 2023 and 2024.
Cyanide compounds
Cyanide compounds releases at Nevada Gold Mines Llc-Cortez District fell from 335k lb to 49k lb (85% 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
Lead And Lead Compounds
Lead And Lead Compounds concentrations are roughly unchanged from 2010.
Arsenic compounds
Arsenic compounds concentrations have more than doubled since 2010.
Zinc compounds
Zinc compounds concentrations have more than doubled since 2010.
Mercury And Mercury Compounds
Mercury And Mercury Compounds concentrations are up 75% since 2010.
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 roughly unchanged from 2010.
Methanol
Methanol concentrations are up 24% since 2010.
Nitrate compounds (water dissociable; reportable only when in aqueous solution)
Nitrate compounds (water dissociable; reportable only when in aqueous solution) concentrations have more than halved since 2010.
Antimony compounds
Antimony compounds concentrations have fallen 45% since 2010.
Equity context · ACS 2018-2022 block-group demographics
Who Lives Next To This Facility
Lander County County, NV (no Census block groups within 3 miles — falling back to containing county): a population of 5,728. Why we surface this →
10.8%
Low-income
31.0%
People of color
9.2%
Under age 5
14.0%
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.