Superfund Information Systems: Site Profile

Superfund Site:

KENNECOTT (NORTH ZONE)
MAGNA, UT

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Announcements and Key Topics

The Utah Department of Environmental Quality (UDEQ) and EPA signed an Explanation of Significant Differences (ESD) in August 2017 covering recommendations for four Records of Decision pertaining to the Kennecott North and South Zone cleanup.

The ESD addresses deficiencies identified in the 2014 and 2016 five-year review reports for the Kennecott North and South Zones, regarding the clarification of and need for Institutional Controls (ICs). The ICs will include municipal permitting, require appropriate management of contaminated soils, and critical evaluation of proposed drilling of wells into or near contaminated groundwater plumes.

The modifications to the remedy described in the ESD do not alter the selected remedy in any fundamental aspect regarding primary treatment method. The clarifications are intended to increase the long-term protectiveness of the selected remedies.

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