Climax Molybdenum CO Henderson Mill
Total reported releases 1.7M lb rose meaningfully year over year (+23%). Total releases concentrations are up 19% since 2010.
19302 COUNTY RD 3, Parshall, Colorado · 212290 · Metal Mining · operated by Freeport-Mcmoran INC
Notable Signals
No notable signals at this facility for the current reporting year. See chemicals and equity context below for the full picture.
What This Facility Releases
Lead And Lead Compounds
Lead And Lead Compounds concentrations are up 12% since 2010.
Nonylphenol Ethoxylates
Nonylphenol Ethoxylates concentrations are roughly unchanged from 2019.
Chromium
Chromium concentrations are up 68% since 2010.
Manganese
Manganese concentrations have fallen 42% since 2016.
Cobalt
Cobalt concentrations are roughly unchanged from 2018.
Nickel
Nickel concentrations have fallen 39% since 2010.
Arsenic
Arsenic concentrations are roughly unchanged from 2018.
Who Lives Next To This Facility
Grand County County, CO (no Census block groups within 3 miles — falling back to containing county): a population of 15,724. Why we surface this →
Low-income
People of color
Under age 5
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.