Kennecott North Zone

⚠ Superfund · Proposed for NPL

Based on the October 2025 Lead Directive , the EPA is evaluating the risks from lead in soils/yards. Lead can pose risks to sensitive populations, especially children under 7 years old and pregnant or nursing women. Implementing the Lead Directive will involve additional planning, data gathering, and analysis.

Location

CityMagna
CountySalt Lake County
StateUtah
Coordinates40.73404, -112.14104

Contaminants of concern

Contaminated media

Cleanup timeline

  1. Initial Assessment Completed — 10/16/1987
  2. Proposed to the National Priorities List — 01/18/1994
  3. Finalized on the National Priorities List — Not Yet Achieved
  4. Remedial Investigation Started — 09/14/1993
  5. Remedy Selected — 09/26/2002
  6. Remedial Action Started — Estimated Jun - Aug 2026
  7. Construction Completed — Not Yet Achieved
  8. Deleted from National Priorities List — Not Yet Achieved
  9. Most Recent Five-Year Review — 09/30/2024
  10. Achieved Sitewide Ready for Anticipated Reuse — Not Yet Achieved

EPA references

Other Superfund sites in Salt Lake County

EPA-regulated facilities nearby

Understanding this Superfund site

Kennecott North Zone is a federal Superfund site in Utah. The Superfund program, created by Congress in 1980, addresses sites where hazardous substances have been released or threaten release into the environment. EPA scores potential sites using the Hazard Ranking System; those that score high enough are placed on the National Priorities List.

Current status: Proposed for NPL. This site has been proposed for the National Priorities List but is not yet formally listed. Proposal triggers a public comment period. If listed, EPA conducts a remedial investigation to characterize contamination before selecting a cleanup approach.

EPA has identified 5 contaminants of concern at this site, including arsenic, copper, lead. Contamination has been detected in groundwater, soil, solid waste, sediment.

If you live near this site and have health concerns, your state health department can provide site-specific guidance. EPA maintains a community involvement program for most NPL sites, and site documents — including the Record of Decision, five-year reviews, and public health assessments — are typically available through EPA's Superfund site profile.