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The NRD Map

Upper Arkansas River/California Gulch NPL/Leadville Mine

Encompassing more than 15 square miles, including the town of Leadville, Colo., and surrounding areas where historic mining activities took place, this site contains more than 2,000 mine waste piles, as well as the Yak Tunnel which discharges drainage from numerous underground mines into California Gulch.

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  • Date/Time Frame
  • 1850s–1980s
  • Statute
  • CERCLA
  • State
  • Colorado
  • Substances
  • zinc, lead, cadmium, copper, acid
  • Injury
  • Birds, Fish, Groundwater, Recreational Use, Surface Water, Vegetation
Consent Decrees:

2008.08.29 Related Document

  • Federal Trustees:
  • Department of the Interior (DOI)
  • State Trustees:
  • Colorado
  • Potentially Responsible Parties:
  • Newmont Mining Corp., Resurrection Mining Co.

2008.06.26 Related Document

  • Federal Trustees:
  • Department of the Interior (DOI)
  • State Trustees:
  • Colorado
  • Potentially Responsible Parties:
  • Asarco

2006.10.26 Related Document

  • Federal Trustees:
  • Department of the Interior (DOI)
  • State Trustees:
  • Colorado
  • Potentially Responsible Parties:
  • U.S. Bureau of Reclamation