Office of Spill Prevention & Response About OSPR Cal Spill WatchCal Spill WatchCal Spill Watch(opens in new tab) Enforcement Grants & Outreach Harbor Safety Laws & Regulations News & Publications Preparedness, Planning, & Exercises Response Resources Restoration (NRDA) Science & Wildlife Volunteer Opportunities Summary Spill Location. (click to enlarge) LOCATION: Leviathan and Bryant Creeks, Alpine County, CA and Douglas County, NV DATE: Since 1954 and continuing INCIDENT SUMMARY: Acid mine drainage (AMD) from the Leviathan Mine runs out of the mine site and into several creeks, impacting many miles of streams and adjacent land. RESPONSIBLE PARTY: Atlantic Richfield Company (ARCO) NATURAL RESOURCE TRUSTEES: California Dept. of Fish and Wildlife, Washoe Tribe, United States Bureau of Indian Affairs, Nevada Division of Environmental Protection, United States Fish and Wildlife Service, United States Forest Service. RESOURCES IMPACTED: Instream habitat and wildlife (fish, macroinvertebrates); riparian habitat; tribal resource uses; recreational uses (fishing). Available Documents Final Assessment Plan (PDF) External Links Lahontan Water Board E.P.A. Leviathan Mine E.P.A. Leviathan Mine CERCLA Administrative Record Index Contact Michael Anderson Email: Michael.Anderson@wildlife.ca.gov Phone: (916) 375-6672