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Property Details for Revais Creek Mine Tailings Area


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Legal Notices

Profile Information

Government
205361
Revais Creek Road 6.5 miles southwest of Dixon Dixon, MT 59831
.8
Tribal Tract #:
47.267783 / -114.407294
1
Shen, Stephanie
shen.stephanie@epa.gov
303-312-6184


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Property Location



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Property Progress


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CAs Associated with this Property

CA NameCA #StateTypeAnnouncement Year
Confederated Salish & Kootenai TribesBF96822601MTAssessment2013


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Assessment Activities at this Property

ActivityEPA FundingStart DateCompletion DateCAAccomplishment Counted?Counted When?
Phase II Environmental Assessment01/05/201507/27/2016Confederated Salish & Kootenai TribesYFY19
Phase II Environmental Assessment01/05/201507/27/2016Confederated Salish & Kootenai TribesYFY19
Phase II Environmental Assessment$22,805.0001/05/201507/27/2016Confederated Salish & Kootenai TribesYFY19


Is Cleanup Necessary? Yes
EPA Assessment Funding: $22,805.00
Leveraged Funding: $30,431.00
Total Funding: $53,236.00


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Climate Adaption and Mitigation - Planning or Assessment

There is no data for Climate Adaption and Mitigation - Planning or Assessment.


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Contaminants and Media


Arsenic
Copper (Cu)
Lead
Other Metals
Iron (Fe)
NOT Cleaned up
NOT Cleaned up
NOT Cleaned up
NOT Cleaned up
NOT Cleaned up
Ground Water
Sediments
Soil
NOT Cleaned up
NOT Cleaned up
NOT Cleaned up


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Cleanup Activities

There are no current cleanup activities.


Cleanup/Treatment Implemented:
Cleanup/Treatement Categories:
Addl Cleanup/Treatment info:
Address of Data Source:
Total ACRES Cleaned Up: .8
Number of Cleanup Jobs Leveraged:
EPA Cleanup Funding:
Leveraged Funding:
Cost Share Funding:
Total Funding:


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Climate Adaption and Mitigation - Demolition or Cleanup

There is no data for Climate Adaption and Mitigation - Demolition or Cleanup.


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Institutional and Engineering Controls

U
No
U
No


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Redevelopment and Other Leveraged Accomplishments

There are no current redevelopment activities.


Number of Redevelopment Jobs Leveraged:
Actual Acreage of Greenspace Created:
Leveraged Funding:


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Climate Adaption and Mitigation - Redevelopment

There is no data for Climate Adaption and Mitigation – Redevelopment


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Additional Property Attributes

Following initial site reconnaissance and review of a report produced by EPA's START contractor. Sampling and Analysis Plan for Phase II assessment was issued in March 2015. The plan calls for surveying of the mine tailings area and adjacent creek, and collection of samples from the tailings, underlying soil, surface water, and creek bed sediment. Site assessment was completed under a Brownfields SAP in 2016. The assessment identified measured the extent, depths, and volume of uncontrolled tailings that erode into Revais Creek at high water, and confirmed active recreational use of the tailings area. The tailings contain arsenic up to 10 times the applicable recreational exposure threshold, and copper over 1,000 times the Ecotoxicity threshold applicable when tailings erode into the creek. A Cleanup Plan has been prepared with plans to remove 3,004 cubic yards of tailings and 1,050 cubic yards of native soil beneath the tailings.

Former Use: The site was part of the Revais Creek Mine Complex from 1910 until 1949. The tailings area is likely associated with the Drake Mine, which in 1941 had a 50-ton mill. The Drake Mine, which mined for copper, was idled when the mine shaft ran into a fault. The tailings area is currently a non-vegetated area approximately 0.75 acres in size. Greenish precipitate (likely copper) is visible at the surface of the tailings area. There is evidence that the site is used recreationally as a paintball course.
Greenspace (.8)
Hazardous


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Release 3.0.2