HomeMy WebLinkAboutDERR-2024-007879Kennecott South FacilitiesKennecott South Facilities
Groundwater RemediationGroundwater Remediation
ANNUAL PROGRESS REPORT 2006ANNUAL PROGRESS REPORT 2006
June 20, 2007June 20, 2007
TonightTonight’’s Discussions Discussion
¾¾2006 Activities2006 Activities
¾¾2006 Drilling Program Results2006 Drilling Program Results
¾¾Southeast Margin ResponseSoutheast Margin Response
¾¾Zone A Water QualityZone A Water Quality
¾¾Acidic Water TreatmentAcidic Water Treatment
¾¾Water Level MonitoringWater Level Monitoring
¾¾Subsidence MonitoringSubsidence Monitoring
¾¾Zone B Water QualityZone B Water Quality
2006 Activities2006 Activities
¾¾Start up and Operation of Bingham Start up and Operation of Bingham
Canyon Water Treatment Plant (Zone A)Canyon Water Treatment Plant (Zone A)
¾¾Installed 13 monitoring wells in Zone AInstalled 13 monitoring wells in Zone A
¾¾Installed 4 replacement wells in Zone BInstalled 4 replacement wells in Zone B
¾¾Submitted Notice of Construction Submitted Notice of Construction
Completion and Final ReportCompletion and Final Report
¾¾Submitted Operations, Maintenance, and Submitted Operations, Maintenance, and
Replacement Plan (OM&R Plan)Replacement Plan (OM&R Plan)
0
1000
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7000
2001 2002 2003 2004 2005 2006
Ac
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Acid Plume
Zone A Sulfate Plume
Annual Groundwater ExtractionAnnual Groundwater Extraction
RO Plant PerformanceRO Plant Performance
Target
2052
Target
1448
Target
3500
Actual
2200
Actual
1671
Actual
3871
0
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3500
4000
2006 2007 YTD First Year
Ac
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2006 Drilling Program2006 Drilling Program
Southeast Margin Southeast Margin
ResponseResponse
Initial Pumping StrategyInitial Pumping Strategy
WellWell Current gpmCurrent gpm New gpm*New gpm*
ECG1146ECG1146 900900 900900
BSG1201BSG1201 900900 500500
BSG2784BSG2784 00 900900
TotalTotal 1,8001,800 2,3002,300
*Pending water rights change application
Zone A Water QualityZone A Water Quality
<Plot 1146><Plot 1146>
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<Plot 1128><Plot 1128>
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<Plot 1117><Plot 1117>
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<Plot 1177/1201><Plot 1177/1201>
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Sulfate: West Jordan Well FieldSulfate: West Jordan Well Field
<Plot 1170><Plot 1170>
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<Plot 1154><Plot 1154>
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<Plot W363><Plot W363>
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AluminumAluminum
<Plot><Plot>
<Plot><Plot>
Acid Water TreatmentAcid Water Treatment
¾¾UPDES discharge UPDES discharge
limits met during 2006limits met during 2006
¾¾Tailings NP criterion Tailings NP criterion
met in 2006met in 2006
¾¾Tailings aqueous pH Tailings aqueous pH
criterion met criterion met
throughout yearthroughout year
Monthly 6-Month Average
GMT NSB GMT NSB
Jan-06 27 50 27 35
Feb-06 49 57 31 38
Mar-06 48 52 36 44
Apr-06 66 33 44 44
May-06 15 10 40 39
Jun-06 22 40 38 40
Jul-06 19 16 37 35
Aug-06 16 17 31 28
Sep-06 24 15 27 22
Oct-06 37 36 22 22
Nov-06 23 19 24 24
Dec-06 62 53 30 26
Acid Water TreatmentAcid Water Treatment
¾¾Tailings aqueous Tailings aqueous
alkalinity criterion alkalinity criterion
metmet
Monthly 6-Month Average
NSB NSB
Jan-06 32 56
Feb-06 61 62
Mar-06 49 61
Apr-06 103 67
May-06 55 67
Jun-06 73 62
Jul-06 62 67
Aug-06 66 68
Sep-06 25 64
Oct-06 14 49
Nov-06 48 48
Dec-06 62 46
Water LevelsWater Levels
SubsidenceSubsidence
Zone B Water QualityZone B Water Quality
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<ABC08 ><ABC08 >
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Screen Intervals
P254AB, ABC03