Supervisors back pilot to inventory abandoned mines, protect water and plan mitigation

Jan 24, 2025

Chair Hall urged a proactive program to catalog abandoned mines, evaluate environmental risks (mercury, arsenic), and build relationships with state and federal agencies. The board directed staff to prepare a plan and return with short- and mid-term steps within roughly six months.

The full story

Nevada County supervisors discussed a broad initiative to identify and mitigate risks from abandoned and legacy mines after hearing a presentation from Chair Hall on environmental and public‑health concerns posed by old mine workings.

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