Environmental Damage Related To Mining Operations
Mining, mineral processing and smelting activities in the area have produced gold, silver, lead and zinc for more than 130 years. Wastes generated during the mining and ore processing activities contained metals such as arsenic and lead at levels posing a threat to human health and the environment. These wastes remained on the land surface and migrated through the environment by washing into streams and leaching contaminants into surface water and groundwater. The site was added to the U.S. Environmental Protection Agency (EPA) National Priorities List in 1983,. Investigation of the site began in the mid-1980s. Since 1995, EPA and the potentially responsible parties have conducted removal and remedial activities to consolidate, contain and control more than 350,000 yards of contaminated soils, sediments and mine-processing wastes. Cleanups by the potentially responsible parties have involved drainage controls to prevent acid mine runoff, consolidation and capping of mine piles, cleanup of residential properties and reuse of slag. As of September 2011, most of the cleanup had been completed so current risk of exposure is low, although pregnant women, nursing mothers and young children are still encouraged to have their blood-lead levels checked.
Read more about this topic: Leadville Mining District
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