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Pima County reaffirms opposition to Copper World mining complex; supervisors adopt resolution 4‑1

5968128 · October 21, 2025
AI-Generated Content: All content on this page was generated by AI to highlight key points from the meeting. For complete details and context, we recommend watching the full video. so we can fix them.

Summary

The Pima County Board of Supervisors voted 4‑1 to reaffirm the county's opposition to the proposed Copper World mining complex, citing potential groundwater depletion, air pollution and harms to protected habitat. Supervisor Andres Cano authored the resolution and the board directed staff to continue advocacy at state and federal levels.

The Pima County Board of Supervisors voted 4‑1 to reaffirm long‑standing county opposition to the proposed Copper World mining complex in the Santa Rita Mountains, citing projected groundwater depletion, hazards from mine tailings and damage to wildlife habitat.

Supervisor Andres Cano presented the resolution, saying the project would “dig multiple open pit mines into the Santa Ritas, pump thousands of acre feet of groundwater from the Santa Cruz River Basin, release harmful dust and emissions, and cause lasting damage to the Cienega Creek and the Maeveen Marie Behan conservation land system.” He framed the vote as defending the county’s water, air and wildlife and said the resolution directs county staff to advocate against the mine and…

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