Total reported releases
Total reported releases at Climax Molybdenum Co-Climax Mine have more than doubled since 2011 (through 2024).
TRI facility · TRI 2024 reporting year
Climax Molybdenum Co-Climax Mine
Total reported releases 3.1M lb rose modestly year over year (+8%). Total releases concentrations have more than doubled since 2011.
HWY 91 FREMONT PASS, Climax, Colorado · 212290 · Metal Mining · operated by Freeport-Mcmoran INC
Anomaly engine
Notable Signals
Manganese And Manganese Compounds
Manganese And Manganese Compounds releases at Climax Molybdenum Co-Climax Mine rose from 373k lb to 722k lb between 2023 and 2024.
N100
N100 releases at Climax Molybdenum Co-Climax Mine fell from 30k lb to 0 lb (100% lower) between 2023 and 2024.
Zinc compounds
Zinc compounds releases at Climax Molybdenum Co-Climax Mine fell from 79k lb to 34k lb (57% 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 have fallen 26% since 2012.
Manganese And Manganese Compounds
Manganese And Manganese Compounds concentrations have fallen 19% since 2011.
Chromium
Chromium concentrations have more than doubled since 2012.
Nickel
Nickel concentrations have more than doubled since 2012.
Cobalt
Cobalt concentrations have more than doubled since 2017.
Arsenic
Arsenic concentrations have more than doubled since 2017.
Zinc compounds
Zinc compounds concentrations have more than halved since 2011.
n-Butyl alcohol
n-Butyl alcohol concentrations are up 22% since 2022.
Equity context · ACS 2018-2022 block-group demographics
Who Lives Next To This Facility
Lake County County, CO (no Census block groups within 3 miles — falling back to containing county): a population of 7,403. Why we surface this →
7.3%
Low-income
39.5%
People of color
4.9%
Under age 5
14.2%
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.