Iron King Mine Superfund Site

Updated on 03/10/2023

In October 2022, EPA issued the Feasibility Study Report for the Iron King Mine / Humboldt Smelter Superfund Site. This extensive study is a key part of the Superfund process.  It identifies, evaluates, and compares comprehensive cleanup options for the site. Community members are encouraged to review the proposed plan and provide input to the EPA during the public comments period from March 15 – May 13, 2023.