Completion of the Kennecott South Zone Five Year Review for Operable Units 3, 6, 7, 17 and 18 The Utah Department of Environmental Quality, Division of Environmental Response and Remediation (UDEQ/DERR), in cooperation with the U.S. Environmental Protection Agency Region VIII (EPA), has conducted a Five Year Review of the Kennecott South Zone Superfund Site—Operable …
Read More
August 31, 2004 Introduction to the Comment Response Summary Responses to Common Comments Process for Public Involvement Groundwater and Aquifer Characterization in Zone A and Zone B Support for Groundwater Cleanup Sulfate Plume Treatment Zone A Acid Plume Treatment Zone B and Shallow Aquifer (Lost Use) Groundwater Cleanup Use of Tailings Impoundment for Disposal of …
Read More
June 11, 2004 NRD Joint Proposal Narrative and Tables NRD Joint Proposal Figures Changes to Figures Figure 2.4A Jordan Valley Water Conservancy District Customers and Boundaries Figure 2.4B Jordan Valley Water Conservancy District Water System Figure 4.1A S.W. Jordan Valley Highest Sulfate Concentration Data Figure 5.2A Proposed Groundwater Extraction and Treatment System Figure 5.4A Zone …
Read More
Jump to: Administrative Documents Annual Reports Construction and Testing Stakeholder Forum Meetings and Materials Related Documents Administrative Documents Natural Resource Damage Claim 1995 Natural Resource Damage Consent Decree Comment Response Summary August 31, 2004 (Due to the length of this document, it is broken down into topical chapters.) Findings and Conclusions August 31, 2004 June …
Read More
On a regular basis, DEQ, the District, and Kennecott sit down with representatives of various community groups to provide project updates. The Stakeholder Forum assists with the dissemination of the information about the various CERCLA and NRD project aspects at Kennecott Utah Copper. Next Meeting The next meeting of the Stakeholder Forum will be held …
Read More
Project Summary Kennecott Utah Copper (KUC) is proposing to extend the footprint of the East Waste Rock Dumps to accommodate additional waste rock from mining operations. This project will require the relocation and reconstruction of the Eastside Collection System (ECS), the water collection and capture system for the dumps. The East Waste Rock Extension (EWRE) …
Read More
Jump to: Current Activities and Recent Decisions Public Participation Introduction In 2011 Kennecott Utah Copper LLC announced a proposal to expand the life of its Bingham Canyon Mine located in the southwest Salt Lake County. The expansion project, called “Cornerstone,” included widening the Bingham Canyon pit to accommodate operations focused on the mining and processing …
Read More
On June 27, 2011, the Division of Air Quality has approved Kennecott’s request to modify its Approval Order, outlined in a Notice of Intent (NOI). The NOI centered on a requested increase in the limit of the material moved from 197 to 260 million tons per year. The public comment period ended on March 20, …
Read More
Addition of an Ore Grinding Line and an Ore Sorting Plant Public comment is being sought through August 18, 2011 on Kennecott’s request to install and operate a fifth ore grinding line and an ore sorting plant at the Copperton Concentrator. The new equipment will consist of an ore sorting plant with a baghouse, a …
Read More
The MAP facility is currently under construction, and commissioning is expected to start in 2013. Public comment is being sought through March 11, 2013 on Kennecott’s request to modify the design of the MAP plant. The design changes have resulted in the modification of the cooling tower. Kennecott will also add a natural gas-fired boiler, …
Read More
Quarterly Reports: Bingham Canyon Mine Particulate Matter Monitoring Data: Hi-Country Estates PM10 Concentrations (ug/m,3) Statistics April 2013 May 2013 June 2013 Monthly Mean 13.343 19.087 22.839 Maximum Daily PM10 31.109 43.804 37.289 2nd Highest Daily PM10 31.091 37.349 36.199 Quarterly Arithmetic Mean 18.718 Statistics July 2013 August 2013 September 2013 Monthly Mean 27.126 28.765 22.547 …
Read More
Jump to: Approval Order Issued Air Quality SIP Amendment This page provides links to documents associated with the various regulatory decisions by DEQ. Approval Order Issued (June 27, 2011) Final Permit Complete and Final Notice of Intent Final Notice of Intent Cover—1.0 Introduction 2.0 Description of Emission Sources 3.0 Emissions Summary 4.0 Offset Requirements Evaluation …
Read More
By a vote of 5-4 in its May 4, 2011 meeting, the Air Quality Board approved the Amendment to the Utah State Implementation Plan, Emission Limits and Operating Practices, Section Ix.H.2.h, and to amend Rule R307-110-17, Section IX and Part H. The issue before the Board was whether or not the 2005 PM SIP (currently …
Read More
Some of the selected remedies for the operable units of the Kennecott Southand North Zones have allowed waste to be left in place above an unrestricted exposure and unrestrictive land use standard, for the particular contaminants of concern. As such, the EPA is required, on a periodic basis, to review the selected remedies, assess whether …
Read More
Jump to: Potential Risks Access to Sample Yards Site History Updates Additional Information Contacts Related Links Q & A The Utah Department of Environmental Quality (UDEQ) and the United States Environmental Protection Agency (EPA) are conducting an investigation of arsenic contaminated soil sediments associated with the former Bingham-Magna Ditch, a historic mining drainage canal located …
Read More
Jump to: Background Arsenic Characterization Plan Sampling Next Steps Background What is the Bingham-Magna Ditch? In 1930 the Utah Copper Company, a predecessor of Kennecott Utah Copper Corporation (Kennecott), constructed a ditch to transport waste water from copper extraction facilities in the Bingham Mine area to the tailings pond and mining mills northwest of Magna. …
Read More
Air Quality
Drinking Water
Environmental Response and Remediation
Waste Management and Radiation Control
Water Quality
Executive Director’s Office