Commission presses quarry operator on reserves, closure and restoration plans

Oct 8, 2026

Commissioners asked West Hawaii Concrete about how long the existing quarry reserves will last and how mined areas will be restored; the company said reserves last to about 2037 and that some mined areas must be kept for stockpiling and crushing operations before closure can occur.

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During deliberations on WHC's permit amendment, commissioners asked specific operational questions about remaining reserves and restoration plans. Commissioner Miles Miyasato asked how many more years of mining the current reserves would support; WHC representative Joey Purdy replied, "We have enough reserves there for... Until 2037," tying the life estimate to the existing lease term.

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