Superfund Site:

BALLARD MINE
SODA SPRINGS, ID

Superfund Site Profile

Site Contacts

Remedial Project Manager
David Tomten
(208) 378-5763

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Site Location

Street Address:
12 MI N OF SODA SPR, FOLLOW HWY 34, , SODA SPRINGS, ID 83276

Background

Southeast Idaho is a major phosphate-producing region, and phosphate mining has been an important industry here since the mid-20th century. In Caribou and adjacent counties, phosphate mining has left behind waste rock dumps and open pits from which selenium and other contaminants may be released. These contaminants are known or suspected to be present in groundwater, surface water, sediment, soils and plants, and may be transported beyond the former mining areas.

Past studies – including mining company investigations, area-wide investigations, mine-specific studies and others – have identified these waste rock dumps as sources of contamination that may pose a risk to ...
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