Inyo County seeks code fix for mechanized exploratory drilling below mining thresholds

Nov 3, 2026

Planning staff told the Board Title 18 lacks an explicit permit pathway for mechanized exploratory drilling that stays below the county's mining thresholds (one acre or 1,000 cubic yards). Staff presented four options: allow by right, create a ministerial/administrative permit, require conditional use permits (discretionary CEQA review), or prohibit the activity.

The full story

County planners told supervisors Nov. 3 that Title 18 currently triggers the county’s mining rules only when exploratory activity exceeds an acre of surface disturbance or 1,000 cubic yards of material, leaving uncertain how to process mechanized drilling below those limits.

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