TRI facility · TRI 2024 reporting year

Climax Molybdenum Co-Henderson Mine

Total reported releases 4.4M lb rose meaningfully year over year (+31%). Total releases concentrations have more than doubled since 2010.

9 MILES W OF EMPIRE, Empire, Colorado · 212290 · Metal Mining · operated by Freeport-Mcmoran INC

TOTAL RELEASES · 20102024
Bar chart of annual values from 2010 to 2024, in lb. Most recent year (2024): 4.4M.5.8M'10'12'14'16'18'20'22'244.4M
Anomaly engine

Notable Signals

LONG-ARC REGRESSION · LONG-ARC SHIFT

Zinc compounds

Zinc compounds at Climax Molybdenum Co-Henderson Mine have more than doubled since 2010 (through 2024).

LONG-ARC REGRESSION · LONG-ARC SHIFT

Total reported releases

Total reported releases at Climax Molybdenum Co-Henderson Mine have more than doubled since 2010 (through 2024).

LONG-ARC REGRESSION · LONG-ARC SHIFT

Manganese And Manganese Compounds

Manganese And Manganese Compounds at Climax Molybdenum Co-Henderson Mine have more than doubled since 2010 (through 2024).

YEAR-OVER-YEAR SURGE · RELEASE SHIFT

Zinc compounds

Zinc compounds releases at Climax Molybdenum Co-Henderson Mine rose from 220k lb to 350k lb between 2023 and 2024.

Chemicals reported · most recent year

What This Facility Releases

RESPIRATORYCAS N450

Manganese And Manganese Compounds

4.0M lb · +29% YoY

Manganese And Manganese Compounds concentrations have more than doubled since 2010.

GENERALCAS N982

Zinc compounds

350k lb · +59% YoY

Zinc compounds concentrations have more than doubled since 2010.

GENERALCAS N511

Nitrate compounds (water dissociable; reportable only when in aqueous solution)

33k lb · +7% YoY

Nitrate compounds (water dissociable; reportable only when in aqueous solution) concentrations have more than halved since 2010.

PBTCAS N420

Lead And Lead Compounds

252 lb · +11% YoY

Lead And Lead Compounds concentrations have more than doubled since 2010.

Equity context · ACS 2018-2022 block-group demographics

Who Lives Next To This Facility

Within 3 miles of this facility (1 Census block groups, population-weighted demographics): a population of 1,237. Why we surface this →

POPULATION SHARE
20.9%

Low-income

POPULATION SHARE
25.9%

People of color

POPULATION SHARE
3.3%

Under age 5

POPULATION SHARE
23.7%

Over age 64

Source: Census ACS 2018-2022 block-group demographics, population-weighted across the 3-mile buffer around this facility (from USEPA-clone/EJAM-open blockgroupstats). 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.