Bonita Peak Mining District Updates

Repository construction on tailings Impoundment 4 Photo by EPA

Repository construction on tailings Impoundment 4 Photo by EPA

Site Updates

EPA has begun construction of the Bonita Peak Repository at the Bonita Peak Mining District Superfund Site. Throughout the summer, residents of Silverton can expect to see construction activity, including workers wearing personal protective equipment, at Tailings Impoundment 4 of the Mayflower Mill. In May, EPA set up dust monitoring systems on the impoundment. During the month of June…