Total reported releases
Total reported releases at Smoky Valley Common Operation have more than doubled since 2010 (through 2024).
TRI facility · TRI 2024 reporting year
Smoky Valley Common Operation
Total reported releases 6.3M lb rose modestly year over year (+10%). Total releases concentrations have more than doubled since 2010.
#1 SMOKY VALLEY MINE RD 45 MI N OF TONOPAH ON SR, Round Mountain, Nevada · 212220 · Metal Mining · operated by Kinross Gold CORP (Usa) INC
Anomaly engine
Notable Signals
Nitrate compounds (water dissociable; reportable only when in aqueous solution)
Nitrate compounds (water dissociable; reportable only when in aqueous solution) releases at Smoky Valley Common Operation rose from 132k lb to 1.1M lb (8.3×) between 2023 and 2024.
Arsenic compounds
Arsenic compounds releases at Smoky Valley Common Operation rose from 1.4M lb to 2.5M lb between 2023 and 2024.
Lead And Lead Compounds
Lead And Lead Compounds releases at Smoky Valley Common Operation fell from 907k lb to 362k lb (60% lower) between 2023 and 2024.
Showing the 4 most editorially weighted signals out of 6. 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 2017.
Manganese And Manganese Compounds
Manganese And Manganese Compounds concentrations have more than halved since 2011.
Nitrate compounds (water dissociable; reportable only when in aqueous solution)
Nitrate compounds (water dissociable; reportable only when in aqueous solution) concentrations have more than doubled since 2010.
Lead And Lead Compounds
Lead And Lead Compounds concentrations have more than halved since 2010.
Cyanide compounds
Cyanide compounds concentrations have more than doubled since 2010.
Silver compounds
Silver compounds concentrations have more than doubled since 2011.
Chromium
Chromium concentrations are up 69% since 2010.
Hydrogen cyanide
Hydrogen cyanide concentrations have more than doubled since 2010.
Equity context · ACS 2018-2022 block-group demographics
Who Lives Next To This Facility
Nye County County, NV (no Census block groups within 3 miles — falling back to containing county): a population of 51,698. Why we surface this →
15.3%
Low-income
28.7%
People of color
5.4%
Under age 5
30.6%
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.