Copper And Copper Compounds
Copper And Copper Compounds releases at Pinto Valley Mine rose from 8.1M lb to 12.8M lb between 2023 and 2024.
TRI facility · TRI 2024 reporting year
Pinto Valley Mine
Total reported releases 14.2M lb rose sharply year over year (+49%). Total releases concentrations have more than doubled since 2013.
2911 N FOREST SERVICE RD 287, Miami, Arizona · 212230 · Metal Mining
Anomaly engine
Notable Signals
Chemicals reported · most recent year
What This Facility Releases
Copper And Copper Compounds
Copper And Copper Compounds concentrations are up 36% since 2016.
Lead And Lead Compounds
Lead And Lead Compounds concentrations are up 89% since 2013.
Nickel
Nickel concentrations have fallen 17% since 2016.
Manganese
Manganese concentrations are roughly unchanged from 2016.
Chromium
Chromium concentrations have more than halved since 2016.
Ammonia
Ammonia concentrations have more than halved since 2013.
Equity context · ACS 2018-2022 block-group demographics
Who Lives Next To This Facility
Within 3 miles of this facility (2 Census block groups, population-weighted demographics): a population of 2,187. Why we surface this →
33.0%
Low-income
66.2%
People of color
4.6%
Under age 5
25.1%
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.