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Black Butte Mine
Environmental Cleanup Site Information Number (ECSI): 1657
County: Lane
City: Cottage Grove
Region: Western
Contact Information
Project Manager:
Bryn Thoms
Phone: 541-687-7424
E-mail:
Site Summary
Black Butte Mine was one of the largest mercury mines in Oregon. Several different owners operated the mine at various times between the 1890s and the late 1960s. The mine and about 300,000 cubic yards of tailings are above Cottage Grove Reservoir next to Dennis Creek, a tributary to the Coast Fork of the Willamette River. [more...]
Current Documents and Supporting Information
The U.S. Environmental Protection Agency finalized the Removal Report which documents excavation, sloping, and revegetation work they completed in August of 2007. The report presents recommendations for additional removal of highly contaminated soil being eroded by Furnace Creek. DEQ conducted a surface water assessment in April 2007, and in June of 2008 to determine the relative mercury contribution from the Mine related to the natural contribution from the surrounding watershed.
- Generalized Location and Feature Maps of Mine Site PDF
- Fact Sheet: Black Butte Mine Clean-up April 2009 PDF NEW!
Reports
The following Reports can be found on the ECSI webpage for the
Site 1657
- Report on mercury contamination in Cottage Grove Reservoir PDF
- Site Inspection by EPA
- Soil Reconnaissance by DEQ and OSU
- Removal Assessment Report
- Surface Water Assessment Report (Memorandum), August 2008
Other Sources
Environmental Protection Agency (EPA) for Removal Report and other
EPA documents
EPA Contact: Kathy Parker, 206-553-0062
For more information about DEQ's Land Quality Division and its programs, see the contact page.
For more information about DEQ's Land Quality Division call 503-229-5913 .
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