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Announcements and Key Topics

EPA has released the Human Health Risk Assessment for the Bonita Peak Mining District Superfund site (HHRA). The HHRA evaluated potential risks to human health from exposures to contaminants that may be present in the mining district.

This year, snowpack is higher than average in the Animas River Basin, and the changes in the appearance of the water in the Animas River due to spring runoff may be more pronounced than usual. These changes may also be observed further downstream than is typical during this time of year. In addition, those in Durango and downstream communities may observe higher than normal levels of sediment in the Animas River due to runoff from the 416 Fire burn area. The high snowpack this spring also may delay the resumption of investigative and cleanup activities at the BPMD.

EPA has released the Interim Record of Decision that identifies interim remedial actions (IRAs) to be conducted at the site. EPA will begin work this summer on IRAs at 23 source areas, with full completion of all IRAs expected over the next three to five years.

New Site Information

EPA is maintaining contact information from individuals and/or companies wishing to be considered for work at the BPMD. Vendors or contractors interested in doing business related to BPMD should contact Cynthia Peterson (

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Community Advisory Group

The Bonita Peak Community Advisory Group (CAG) serves as an informational conduit between diverse community interests and U.S. EPA and its governmental partners with regard to activities at the Bonita Peak Mining District Superfund site and their effects on the Animas River watershed within Colorado. In its advisory capacity, the CAG desires outcomes that are: protective of human health and the environment, feasible and practicable, conducted expeditiously and efficiently, and mindful of community cultural, social and economic interests.

The next meeting of the Bonita Peak CAG will be July 25, 2019, 5:30 pm to 8:30 pm, at the Durango Recreation Center, 2700 Main Ave., Durango, Colo.

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Community Resources

For information about ongoing investigative/cleanup activities and public participation opportunities, view our site calendar.

You may need Adobe Reader to view some of the files on this page. See EPA’s PDF page to learn more.

Previous site updates and other community involvement resources are available in the All Publicly Available Documents collection.

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