Section4.12MineralandEnergyResources
4.12 MINERALANDENERGYRESOURCES
4.12.1 INTRODUCTION
Thissectiondescribestheavailabilityofmineralandenergyresourcesintheprojectarea,andanalyzes
theproject’spotentialtoadverselyaffecttheseresources.Thestudyareaformineralandenergy
resourcesincludestheprojectsitesandnearbyareas.Naturalgaswouldnotberequiredforproject
constructionoroperationandisnotdiscussedfurtherinthissection.
4.12.2 ENVIRONMENTALSETTING
4.12.2.1
MineralResources
TheCaliforniaDepartmentofConservation,DivisionofMinesandGeology,currentlyknownasthe
CaliforniaGeologicalSurvey(CGS),classifieslandsolelyonthebasisofgeologicfactorsandwithout
regardtoexistinglanduse.CGShasmappednonfuelmineralresourcesoftheStatetoshowwhere
economicallysignificantmineraldepositsareeitherpresentorlikelytooccurbasedonthebestavailable
scientificdata.TheseresourceshavebeenmappedusingtheCaliforniaMineralLandClassification
System,whichincludesthefollowingfourMineralResourceZones(MRZs):
• MRZ-1.Areaswhereadequateinformationindicatesthatnosignificantmineraldepositsare
present,orwhereitisjudgedthatlittlelikelihoodexistsfortheirpresence.
• MRZ-2.Areaswhereadequateinformationindicatesthatsignificantmineraldepositsare
present,whereitisjudgedthatahighlikelihoodfortheirpresenceexists,orcontainsknown
economicmineraldeposits.
• MRZ-3.Areascontainingknownorinferredmineraloccurrencesofundeterminedmineral
resourcesignificance.
• MRZ-4.Areasofnoknownmineraloccurrenceswheregeologicinformationdoesnotruleout
eitherthepresenceorabsenceofsignificantmineralresources.
TheprojectstudyareaincludesMRZ-1andMRZ-3classifications.ThecitiesofPalmDesertandIndio,
andtheunincorporatedcommunityofThermalareclassifiedasMRZ-1,whichindicatesthatthese
locationsdonot,orareunlikelytocontain,significantmineralresources(CGS2015).ThecitiesofDesert
HotSprings,RanchoMirage,andLaQuintaareclassifiedasMRZ-3,whichindicatesthesecitiesare
locatedinareascontainingknownorinferredmineraloccurrences,thesignificanceofwhichcannotbe
determined.ThetypeofmineraloccurrencewithintheprojectareasthatareclassifiedMRZ-3are
aggregatedeposits,butthesignificanceofthesedepositscannotbedeterminedfromavailabledata.
ExtensiveareasoftheCoachellaValley(includingthecitiesidentifiedabovewithintheMRZ-3zone)are
classifiedMRZ-3forPortlandcementconcrete(PCC)-gradeaggregate.PCC-gradeincludessandand
graveldepositshavingmaterialsuitableforuseasaconcreteaggregate.
Coachella Valley Water District
Chromium-6 Water Treatment Facilities Project
4.12-1
Draft EIR
April 2016
Section4.12MineralandEnergyResources
4.12.2.2
CurrentEnergyProviders
Theprojectsitesareservedbytwoenergyproviders,describedbelow.
ImperialIrrigationDistrict
TheImperialIrrigationDistrict(IID)provideselectricitytoaserviceareaof6,471squaremiles,including
allofImperialCountyandpartsofRiversideandSanDiegocounties.IIDdeliversmorethan1,100
megawatts(MW)ofenergyannually;energygeneratedbyIIDincludes20%renewableenergy,1%solar,
1%biogas,4%geothermal,6%biomassand8%hydroelectricity.Oftheprojectsites,15SBAwellsites,
theLaQuintaWBAwellcluster,LaQuintaWBAWaterTreatmentFacilitysite,andtheCRRFsite(where
WRP-4islocated)arecurrentlyservedbyIID.
SouthernCaliforniaEdison
SouthernCaliforniaEdison(SCE)isoneofthelargestenergyprovidersinSouthernCalifornia.SCEhasa
serviceareaof50,000squaremilesanddeliversapproximately88,000,000MWhyearly.Energy
generatedbySCEincludes8%coal,5%hydroelectricity,54%naturalgas,23%nuclearand13%
renewable.EightoftheSBAwellsites,theID8WBAwellclusterandID8WaterTreatmentFacilitysite
arecurrentlyservedbySCE.
Table4.12-1showsexistingenergyusagebytheSBAandWBAwells.
TABLE4.12-1:EXISTINGENERGYUSAGEBYSBAANDWBAWELLS(inMWh)
WellSite
SBA4510-1
SBA4610-1
SBA4720-1
SBA4721-1
SBA4722-1
SBA5676-2
SBA5677-1
SBA5678-1
SBA5719-1
SBA5720-1
SBA6805-1
SBA6808-1
SBA5632-2
SBA5664-1
SBA5679-1
SBA5657-2
SBA5718-1
SBA5717-1
SBA5711-2
SBA6701-1
SBA6734-1
SBA6726-1
AverageMonthlyUsage
39
48
56
51
53
150
115
146
41
58
40
50
70
36
174
4
10
15
108
73
20
58
Coachella Valley Water District
Chromium-6 Water Treatment Facilities Project
4.12-2
AverageYearlyUsage
471
572
678
609
639
1,804
1,387
1,748
490
695
477
599
835
433
2,082
50
122
180
1,291
879
238
700
Draft EIR
April 2016
Section4.12MineralandEnergyResources
TABLE4.12-1:EXISTINGENERGYUSAGEBYSBAANDWBAWELLS(inMWh)
WellSite
SBA6728-1
WBA3405-11
WBA3408-1
WBA3409-2
WBA3410-1
WBA6723-1
WBA6724-1
WBA6725-1
TotalMWh
AverageMonthlyUsage
49
9
100
18
28
6
80
68
1,773
AverageYearlyUsage
586
104
1,198
210
339
73
966
818
21,273
Source:HazenandSawyer,2015.
1
Welltobeabandoned
Note:Wellenergyusagemayvaryslightlyfromyeartoyear
4.12.3 REGULATORYFRAMEWORK
4.12.3.1
Federal
NationalEnergyPolicyActof2005
TheNationalEnergyPolicyActof2005setsequipmentenergy-efficiencystandardsandseekstoreduce
relianceonnonrenewableenergyresourcesandprovidesincentivestoreducecurrentdemandonthese
resources.Forexample,theactincluded$2.3billioninincentivesforhigh-efficiencyvehicles,newand
existinghomes,commercialbuildings,andformanufacturersofhigh-efficiencyappliances.Additionally,
theactaddressescombinedheatandpower,appliancelabeling,researchanddevelopment,efficiency
infederalandpublicfacilities,buildingenergycodes,publichousing,andotherefficiencytopics.
4.12.3.2
State
SurfaceMiningandReclamationActof1975
TheStateMiningandReclamationAct(SMARA)wasenactedin1975inresponsetolanduseconflicts
betweenurbangrowthandessentialmineralproduction.InaccordancewithSMARAandasdiscussed
aboveinSection4.12.2.1,theStatehasestablishedtheMineralLandClassificationSystemtohelp
identifyandprotectmineralresourcesinareasthataresubjecttourbanexpansionorotherirreversible
landusesthatwouldprecludemineralextraction.Protectedmineralresourcesincludeconstruction
materials,industrialandchemicalmineralmaterials,metallicandrareminerals,andnon-fluidmineral
fuels.
2005CaliforniaEnergyActionPlanIIand2008Update
TheEnergyActionPlanII,andsubsequentupdatein2008,istheState’sprincipalenergyplanningand
policydocument(CECandCPUC2005,2008).TheplancontinuesthegoalsoftheoriginalEnergyAction
Plan,describesacoordinatedimplementationplanforStateenergypolicies,andidentifiesspecific
actionareastoensurethatCalifornia’senergyisadequate,affordable,technologicallyadvanced,and
environmentallysound.Inaccordancewiththisplan,thefirst-priorityactionstoaddressCalifornia’s
increasingenergydemandsareenergyefficiencyanddemandresponse(i.e.,reductionofcustomer
Coachella Valley Water District
Chromium-6 Water Treatment Facilities Project
4.12-3
Draft EIR
April 2016
Section4.12MineralandEnergyResources
energyusageduringpeakperiodsinordertoaddresssystemreliabilityandsupportthebestuseof
energyinfrastructure).Additionalprioritiesincludetheuseofrenewablesourcesofpowerand
distributedgeneration(i.e.,theuseofrelativelysmallpowerplantsnearoratcentersofhighdemand).
CaliforniaCodeofRegulations
The2013CaliforniaGreenBuildingStandardsCode(CALGreen)isacodewithmandatoryandvoluntary
requirementsfornewresidentialandnonresidentialbuildings(includingbuildingsforretail,office,
publicschoolsandhospitals)throughoutCalifornia.AsofJuly1,2012,somemandatoryrequirements
wereextendedtocertainnonresidentialadditionsandalterations.ThecodeisPart11oftheCalifornia
BuildingStandardsCodeinTitle24oftheCaliforniaCodeofRegulations(CCR)andisalsoknownasthe
CALGreenCode.Inshort,thecodeisestablishedtoreduceconstructionwaste,makebuildingsmore
efficientintheuseofmaterialsandenergy,andreduceenvironmentalimpactduringandafter
construction.
BuildingEnergyEfficiencyStandards
TheEnergyEfficiencyStandardsforResidentialandNonresidentialBuildings,asspecifiedinTitle24,
Part6,oftheCCR,wereestablishedin1978inresponsetoalegislativemandatetoreduceCalifornia’s
energyconsumption.Thestandardsareupdatedperiodicallytoallowconsiderationandpossible
incorporationofnewenergyefficiencytechnologiesandmethods.TheCaliforniaEnergyCommission
(CEC)adoptedthe2008StandardsonApril23,2008,andtheBuildingStandardsCommissionapproved
themforpublicationonSeptember11,2008.The2008Non-residentialComplianceManualwas
adoptedJanuary14,2009.ThenewstandardswentintoeffectJanuary1,2010,andwereupdatedagain
in2011.
4.12.3.3
RegionalandLocal
DesertRenewableEnergyConservationPlan(DRECP)
TheDesertRenewableEnergyConservationPlan(DRECP)willbeacomponentofCalifornia'srenewable
energyplanningeffortsandiscurrentlyintheprocessoffinaladoption.PartnersoftheDRECPinclude
theU.S.BureauofLandManagement(BLM),CaliforniaEnergyCommission,CaliforniaDepartmentof
FishandWildlife,andtheU.S.FishandWildlifeService.Theplanhasbeendesignedtoprovideeffective
protectionandconservationofdesertecosystemswhileallowingfortheappropriatedevelopmentof
renewableenergyprojects.Inparticular,theDRECPisfocusedonaddressingthecountiesofImperial,
Inyo,Kern,LosAngeles,Riverside,SanBernardino,andSanDiego.TheDRECPwouldresultinanefficient
andeffectivebiologicalmitigationandconservationprogramprovidingrenewableprojectdevelopers
withpermittimingandcostcertaintyunderthefederalandCaliforniaEndangeredSpeciesActswhileat
thesametimepreserving,restoringandenhancingnaturalcommunitiesandrelatedecosystems.
Approximately22.5millionacresoffederalandnon-federalCaliforniadesertlandareintheDRECPPlan
Area.TheFinalEnvironmentalImpactStatementforPhaseIoftheDRECPwasissuedonNovember10,
2015.PhaseII,whichinvolvestheprivatelandscomponentoftheDRECP,isongoing.
RiversideCountyEligibleRenewableEnergyResourceDevelopment(eRED)PlanningProgram
ThepurposeoftheeREDprogramistocoordinateandencourageeligiblerenewableenergyresource
developmentinRiversideCountyattheGeneralPlanlevel.TheeREDprogramhasbeenfundedfortwo
yearswithagrantfromtheCaliforniaEnergyCommission.Withintheplan,anemphasisisplacedonthe
developmentandexpansionofgeothermalresourcesintheSaltonSearegionandthecoordinationof
Coachella Valley Water District
Chromium-6 Water Treatment Facilities Project
4.12-4
Draft EIR
April 2016
Section4.12MineralandEnergyResources
solarresourcesinthefareasterndesertportionofRiversideCounty.CVWDisnotadirectparticipantin
theeREDprogram.Asaregionalwaterauthority,CVWDmaysupportdataandotherrequestsforthe
program.
4.12.4 IMPACTSANDMITIGATIONMEASURES
4.12.4.1
SignificanceCriteria
BasedonAppendicesFandGoftheStateCEQAGuidelines,aprojectwouldhaveasignificantimpact
relatingtomineralandenergyresourcesifitwould:
a. Uselargeorexcessiveamountsoffuelorenergyinanunnecessary,wasteful,orinefficient
manner.
b. Constrainlocalorregionalenergysupplies,requireadditionalcapacity,orsubstantiallyaffect
peakandbaseperiodsofelectricaldemand.
c. Requireorresultintheconstructionorexpansionofnewelectricalgenerationand/or
transmissionfacilities,theconstructionofwhichcouldcausesignificantenvironmentaleffects.
d. Conflictwithexistingenergystandards,includingstandardsforenergyconservation.
e. Resultinthelossofavailabilityofaknownmineralresourcethatwouldbeofvaluetotheregion
andtheresidentsofthestate.
f. Resultinthelossofavailabilityofalocally-importantmineralresourcerecoverysitedelineated
onalocalgeneralplan,specificplanorotherlanduseplan.
4.12.4.2
ApproachtoAnalysis
Thisanalysisevaluatesthepotentialproject-relatedlossofavailabilityoflocallyorregionallyimportant
mineralresourcesbasedonmappingconductedundertheMineralLandClassificationSystem.Impacts
relatedtothelossofmineralresourceswouldbeconsideredsignificantifconstructionactivitieswould
makeknownmineralresourcestemporarilyunavailable,oriftheconstructionofnewfacilitieswould
maketheseresourcespermanentlyunavailable.
Thisanalysisalsoevaluatestheuseofenergyresources(directandindirect)associatedwith
constructionandoperationoftheprojectfacilities,includingtheanalysissatisfyingAppendixFofthe
StateCEQAGuidelines.Thegoalofconservingenergyimpliesthewiseandefficientuseofenergy,with
particularemphasisonavoidingorreducinginefficient,wastefulandunnecessaryconsumptionof
energy.Energyconservationimpliesthataproject'scosteffectivenessbereviewednotonlyindollars,
butalsointermsofenergyrequirements.Forconstructionandoperation,theanalysisconsiders
whethertheproposedprojectwoulduselargeamountsoffuelsorelectricity,andwhethertheywould
beusedinanunnecessary,wasteful,orinefficientmanner;estimatesofenergydemandandcapacityof
theexistingtransmissiongridarealsoprovided.
Coachella Valley Water District
Chromium-6 Water Treatment Facilities Project
4.12-5
Draft EIR
April 2016
Section4.12MineralandEnergyResources
AreasofNoProjectImpact
TheProjectwouldnotresultinimpactsrelatedtothreeoftheabove-listedsignificancecriteria.These
significancecriteriaarenotdiscussedfurtherintheimpactanalysisforthefollowingreasons:
d. Conflictwithexistingenergystandards,includingstandardsforenergyconservation.
CVWDhasincorporatedtheCaliforniaBuildingStandardsCodebyreferenceintoits
DevelopmentDesignManual.AsdescribedinSection4.12.3.2above,Part6oftheCalifornia
BuildingStandardsCodecontainstheCaliforniaEnergyCode(CCRTitle24,Part6).Designand
operationofthechromium-6projectwouldbeperformedinaccordancewiththeCalifornia
BuildingStandardsCode.Therefore,noimpactrelatedtocompliancewithapplicableenergy
standardswouldresult,andthiscriterionisnotevaluatedfurtherinthissection.
eandf. Resultinthelossofavailabilityofaknownmineralresourcethatwouldbeofvaluetotheregion
andtheresidentsofthestateorthelossofavailabilityofalocally-importantmineralresource
recoverysitedelineatedonalocalgeneralplan,specificplanorotherlanduseplan.
ThestudyareaincludesMRZ-1andMRZ-3classifications.TheprojectsitesclassifiedasMRZ-1
eitherdonot,orareunlikelytocontain,significantmineralresources.Theprojectsitesclassified
asMRZ-3(withtheexceptionoftheID8WBAWaterTreatmentFacilitysite)areexisting
developedCVWDparcelswithindevelopedresidentialareas;installationofprojectfacilitieson
thesesiteswouldnothaveanimpactonmineralresources.TheID8WBAWaterTreatment
FacilitysitewouldbelocatedinanMRZ-3areaandwithintheboundariesoftheWillowHole
ConservationArea.Whenestablished,conservationareaswithintheCoachellaValleyMultiple
SpeciesHabitatConservationPlan(CVMSHCP)areawerecoordinatedtoavoidactivemining
areas.UndertheCVMSHCP,expansionofminingoperationsintoconservationareasmusthold
avalidexistingpermitasofthedateofpermitissuanceandmustbeconsistentwiththe
conservationobjectivesfortherelevantconservationarea.Noexistingmininglocationsare
locatedneartheID8WBAWaterTreatmentFacilitysite.
Therearenolocallyimportantmineralresourcerecoverysitesidentifiedonalocalgeneralplan,
specificplan,orotherlanduseplanwithintheprojectarea.MineralextractionintheCoachella
Valleyisprimarilylimitedtosandandgravelproduction.RelativetotheID8WBAWater
TreatmentFacilitysite,theCityofDesertHotSpringshasnotidentifiedsignificantdepositsof
mineralresourcesinthisarea.ThemajorityofDesertHotSpringsismadeupofalluvialfans,
containingmostlysandandgravel.Certainmineralresourcesmayrepresentanimportant
economicresourcebutarelimitedtorockyoutcroppingsoccurringintheLittleSanBernardino
Mountains,andarenotlocatedontheID8WBAWaterTreatmentFacilitysite.Therefore,the
proposedprojectwouldnotimpacttheaccessibilityoflocallyimportantmineralresourcesand
thesecriteriaarenotdiscussedfurther.
4.12.4.3
ConstructionImpactsandMitigationMeasures
ImpactME-1:Theprojectwouldnotencourageactivitiesthatresultintheuseoflarge
amountsoffuelandenergyinawastefulmannerduringconstruction.(LessthanSignificant)
Coachella Valley Water District
Chromium-6 Water Treatment Facilities Project
4.12-6
Draft EIR
April 2016
Section4.12MineralandEnergyResources
Constructionoftheproposedprojectwouldrequiretheuseoffossilfuels(primarilygas,diesel,
andmotoroil)foravarietyofactivities,includingexcavation,grading,demolition,generator
use,andvehicletravel.Directenergyusewouldalsoincludetheuseofelectricityrequiredto
powerconstructionequipment(e.g.,weldingmachinesandelectricpowertools).Inaddition,
projectconstructionwouldalsoresultinindirectenergyuseassociatedwiththeextraction,
manufacturing,andtransportationofrawmaterialstomakeconstructionmaterials.
Constructionequipmentandactivitiesforthechromium-6projectwouldbeconductedinsucha
mannerastonotresultintheuseoflargeamountsoffuelandenergyinawastefulmanner.
Constructionactivitiescouldresultinwastefulorinefficientuseofenergyifconstruction
equipmentisnotwellmaintained,ifequipmentislefttoidlewhennotinuse,orifhaultripsare
notplannedefficiently.Aspartoftheproject,CVWDanditscontractorwouldpreparea
constructionmanagementplanthatwouldensureconstructionactivitiesareconductedina
fuel-efficientmanner.Althoughconstructionequipmentandvehicleswouldusedieselfueland
gasoline,useoftheseresourcesinthismannerisnotconsideredawastefuluseofenergy
resources.Thisimpactwouldbelessthansignificant.
ImpactME-2:Implementationoftheprojectwouldrequiretheconstructionofconnectionsto
existingelectricaldistributionfacilities,buttheconstructionofthesewouldnotcause
significantenvironmentaleffects.(LessthanSignificant)
Implementationoftheprojectwouldrequiretheconstructionofconnectionstoexisting
electricaltransmissionfacilitiesattheWBAWaterTreatmentFacilitiesandCRRF.ExistingSBA
andWBAwellsitescurrentlyreceiveservicefromeitherIIDorSCE,andwouldnotrequire
additionaltransmissionlines.TheWBAWaterTreatmentFacilitieswouldincludethe
constructionofpowerdistributionlinestoconnectnewfacilities’electricalequipmentto
existingIIDorSCEtransmissionlines.Utilityproviderswouldservenewprojectfacilitiesvia
outdoorpad-mountedtransformers.Aftertransformersareinstalledonsite,theutilityprovider
wouldextendpowertothepointofservice.TheID8WBAWaterTreatmentFacilitywouldhave
serviceextendedbySCEfromDillionRoad,theproposedaccessroad.Thesepowerlineswould
beinstalledunderground,andwouldnotconflictwithconservationgoalswithintheWillowHole
ConservationArea.TheLaQuintaWBAWaterTreatmentFacilitywouldhavepowerextendedby
IIDtothesitefromexistingutilitylineslocatedonAirportBoulevard.Electricalservicewouldbe
providedtotheCRRFbyIIDfromtheirexistingandplannedtransmissioninfrastructurewithin
thearea.
4.12.4.4
OperationImpactsandMitigationMeasures
ImpactME-3:Theprojectwouldnotencourageactivitiesthatresultintheuseoflargeamounts
offuelinaninefficientmannerduringoperation.(LessthanSignificant)
Operationoftheproposedprojectwouldresultinnewvehicletripsassociatedwithoperations
andmaintenanceoftheresintreatmentsystematSBAwells,theCRRF,andtheWBAtreatment
facilities,asdescribedbelow.
EmergencyGenerators–Fuelconsumptionatprojectfacilitiesforoperationwouldbelimitedto
theuseofemergencygenerators.EmergencygeneratorswouldbeinstalledatWBAwellsites
Coachella Valley Water District
Chromium-6 Water Treatment Facilities Project
4.12-7
Draft EIR
April 2016
Section4.12MineralandEnergyResources
6723-1and6724-1.EmergencygeneratorsinstalledatWBAwellsites6723-1and6724-1would
beautomaticallyexercisedeveryweekforfiveminutesatatime,andwouldusedieselfuelto
operate.Fullyfueled,emergencygeneratorshavethecapacitytorunforapproximatelyfive
hours,whichallowsemergencygeneratorstobeexercisedapproximately60timesbefore
needingtoberefueled.Therefore,consumptionofdieselfuelforemergencygeneratorswould
notconstituteasignificantamountoffuelconsumption.
SBAWellSiteVehicleTrips–AsdiscussedinSection3.4.5.1SBAWellSiteTreatmentOperations,
resintanktrailerswouldtravelbetweentheCRRFandeachindividualSBAwellsiteonaverageup
toeighttimesperyear.With23SBAwellsites,thetotalnumberofresintanktrailertripsis
estimatedtobe184peryear.Vehicletripswouldconsumefossilfuelsandwouldcontributeto
theenergydemandrequiredtosupportoperationoftheproposedproject.Theaveragedistance
betweentheCRRFandtheSBAwellsitesisapproximately15miles,or30milesforaroundtrip
visit.Assuming184resintrailertripsperyearand30milesperroundtripvisit,SBAresintrailers
wouldtravelapproximately5,520milesperyear.Assuminganaveragefueleconomyof10miles
pergallonfortheresintrailers,theestimatedfuelrequiredforthesevehicletripswouldbe
relativelysmall(approximately552gallonsannuallyoverthelifeoftheproject),whichisnota
significantamountoffuelconsumption.
CVWDoperationsstaffcurrentlyvisiteachwellsiteapproximatelyonetotwotimesperweek.
WiththeadditionofSBAtreatmentequipmentateachsite,thesevisitswouldincreasetotwoto
fourtimesperweekateachsite,andwouldincludecollectingwatersamples.With23SBAwell
sites,thetotalnumberofnewmaintenancetripsfromtheCRRFtoSBAwellsitesisestimatedto
bebetween104and216peryearateachsite.Vehicletripswouldconsumefossilfuelsand
wouldcontributetotheenergydemandrequiredtosupportoperationoftheproposedproject.
TheaveragedistancebetweentheCRRFandtheSBAwellsitesisapproximately15miles,or30
milesforaroundtripvisit.Assuming104to216maintenancetripsperyearand30milesper
roundtripvisit,maintenancevehicleswouldtravelapproximately3,120to6,480milesperyear.
Assuminganaveragefueleconomyof10milespergallonformaintenancevehicles,the
estimatedfuelrequiredforthesevehicletripswouldberelativelysmall(approximately312to
648gallonsannuallyoverthelifeoftheproject),whichisnotconsideredexcessivefuel
consumption.
CRRFVehicleTrips–OperationoftheCRRFwouldbesupportedbyapproximately11employees
(fourresintransferteammembersandsevenCRRFoperators),resultinginapproximately11
commutervehicletripsperday.Thisminoramountofcommutervehicletripswouldnot
generateexcessivefuelconsumption.
DeliveriesofchemicalstotheCRRFwouldvarydependingontheusageofeachchemical,and
availablestorage.Sodiumhypochloritewouldbeusedonadailybasisforregenerationandwould
requireregulardeliveries.ItisassumedthatsodiumhypochloritewouldbedeliveredtotheCRRF
approximatelythreetimesperyear.Hydrochloricacidwouldbeusedforelectrocoagulationblade
cleaning;theCRRFwouldrequireapproximately1.25deliveriesofhydrochloricacidfor
electrocoagulationbladecleaningperyear.Thetreatmentprocesswouldalsorequire
approximately33tankertruckdeliveriesofsaltperyear.Additionalchemicalsincludingsodium
bisulfite,ferrouschlorideandpolymerwouldbedeliveredtotheCRRFsiteaswell.These
chemicalswouldnotbedeliveredregularlyandwouldbeusedforemergencyback-uptreatment
Coachella Valley Water District
Chromium-6 Water Treatment Facilities Project
4.12-8
Draft EIR
April 2016
Section4.12MineralandEnergyResources
only.Followinganinitialdeliveryofeachchemical,yearlydeliverieswouldvarybutwouldbe
minimal.ThechemicaldeliveriesarearequiredpartofCRRFoperations.
VehicletripsrelatedtoCRRFwastedisposalwouldvarydependingonthebrinedisposalmethod
chosen.Ironsolidswouldbeabyproductoftheresinregenerationprocessregardlessofdisposal
method;thesesolidswouldrequiredisposaleveryninedays,or19tripsperyear,toalandfillin
Utah.Ifthetreatedbrineissenttoacrystallizer,theresultingsaltcakewouldbehauledto
RiversideCountyLambCanyonLandfillfordisposalevery5operationdays,or39timesperyear.
Ifthetreatedbrineissenttoevaporationponds,theresultingsaltcakewouldbehauledto
RiversideCountyLambCanyonLandfillfordisposalevery3operationdays,or61timesayear.
ThesewastedisposaltripsarerequiredforCRRFoperations.
WBATreatmentFacilitiesVehicleTrips–AsdiscussedinSection3.4.5.3,WBATreatment
Operations,thetwoWBAWaterTreatmentFacilitieswouldbedesignedtooperateremotelyby
automation,withallfunctionscontrolledbyprogrammablelogiccontrollers.However,anumber
ofroutineoperationaltasksandproceduresarerequiredasanormalpartofoperationandwould
requireCVWDstafftovisiteachtreatmentfacilityonaweeklybasis;thustherewouldbeatotal
of104staffsitevisitsperyearfortheWBAWaterTreatmentFacilities.WBAwellsiteswouldnot
requireadditionalstaffvisitsbeyondtheexistingmaintenanceschedule.
Inadditiontostaffvehicles,eachWBAWaterTreatmentFacilitywouldrequireresinandchemical
deliveries,anddisposalofspentresinatanappropriatelandfill.WBAtreatmentfacilitieswould
requirechemicaldeliveriesofcarbondioxide,anti-scalantandsodiumhydroxide.Approximately
50tonsofcarbondioxidecanbestoredattheID8WBAWaterTreatmentFacilityand
approximately100tonscanbestoredattheLaQuintaWBAWaterTreatmentFacility.Carbon
dioxidecanbedeliveredin20tonincrements.Itisestimatedthataninitialdeliveryofthreeand
fivedeliverieswouldberequiredattheID8andLaQuintasites,respectively.Anti-scalantwould
bestoredin2,000and4,000gallonincrementsattheID8andLaQuintasites,respectively.An
initialdeliveryoftwotrucktripswouldbemadetobothsitesusingatruckwhichcanhandle
approximately4,500gallonsofanti-scalant.Subsequenttripswouldbemadetoreplenish
existingstorageinasingledeliverywithsimilartrucksthathandle4,500gallonloadsofantiscalant.Similarly,sodiumhydroxidewouldbestoredattheID8andLaQuintasitesin2,000and
3,000gallonincrements,respectively.Deliveriestoeachsitewouldbemadewithasingletruck
whichcanhandle3,500gallonsofsodiumhydroxidepertrip.Chemicaldeliverieswouldbemade
toeachsitemonthly.WBAresinwouldbedisposedofonceeverytwoyearsatalandfillinUtah.
ThechemicaldeliveriesanddisposaltripsarerequiredaspartofWBAWaterTreatmentFacility
operations.
ImpactConclusion–Emergencygeneratorscanbeexercised60timesbeforeneedingtobe
refueled.Thetotalnumberofnewvehicletripsassociatedwiththeprojectwouldbeamaximum
ofapproximately652tripsperyear.Emergencygeneratorfuelandvehicletripswouldbe
requiredfortheoperationoftheproject,andarenotintendedtouselargeamountsoffuelina
wastefulorinefficientmanner.Thisimpactislessthansignificant.
ImpactME-4:Theprojectwouldnotconstrainlocalorregionalenergysupplies,require
additionalcapacity,orsubstantiallyaffectpeakandbaseperiodsofelectricaldemandduring
operation.(LessthanSignificant)
Coachella Valley Water District
Chromium-6 Water Treatment Facilities Project
4.12-9
Draft EIR
April 2016
Section4.12MineralandEnergyResources
Operationalpowerdemandsfortheproposedprojectfacilitiesaredescribedbelow.
OperationalPowerUseatSBAWells–Theinstallationofresintreatmentequipmentatthe23
SBAwellsiteswouldresultinanincreaseofaverageyearlyenergyuseatthesesites,asshownin
Table4.12-2.
TABLE4.12-2:CHANGEINSBAWELLENERGYUSAGE(inMWh)
WellSite
ExistingAverage
YearlyUsage
ProposedAverage
YearlyUsage
ChangeinYearlyUsage
SBA4510-1
SBA4610-1
SBA4720-1
SBA4721-1
SBA4722-1
SBA5676-2
SBA5677-1
SBA5678-1
SBA5719-1
SBA5720-1
SBA6805-1
SBA6808-1
SBA5632-2
SBA5664-1
SBA5679-1
SBA5657-2
SBA5718-1
SBA5717-1
SBA5711-2
SBA6701-1
SBA6734-1
SBA6726-1
SBA6728-1
Total(MWh)
39
48
56
51
53
150
115
146
41
58
40
50
70
36
174
4
10
15
108
73
20
58
49
1,464
541
660
780
792
735
2,074
1,593
2,009
563
801
530
689
942
656
2,430
58
141
209
1,506
1,413
283
830
679
20,914
502
612
724
741
682
1,924
1,478
1,863
522
743
490
639
872
620
2,256
54
131
194
1,398
1,340
263
772
630
19,450
Note:Wellenergyusagemayvaryslightlyfromyeartoyear.
OperationalPowerUseatCRRF–EstimatedenergyusagefortheCRRFandallproposedsite
equipmentwouldbeapproximately1,894MWhperyearifbrinedisposalbyevaporationponds
isused,andapproximately4,390MWhifbrinedisposalbycrystallizationisused.Energy
demandfortheCRRFwouldbelessiftreatedbrineisdisposedoftothesanitaryseweror
hauledtoanoffsitedisposalfacility;therefore,thecrystallizationmethodrepresentsaworst
caseenergydemandanalysesfortheproject.
Coachella Valley Water District
Chromium-6 Water Treatment Facilities Project
4.12-10
Draft EIR
April 2016
Section4.12MineralandEnergyResources
OperationalPowerUseatWBAWells–WBAwellscurrentlypumprawwaterdirectlytothe
potabledistributionsystem.Withtheimplementationoftheproject,WBAwellswouldpump
watertothenewWBAtreatmentsites.Table4.12-3identifiestheestimatedchangeinaverage
annualenergyuseforWBAwells.WBAwells3409-2,3410-1,6724-1and6725-1wouldbe
outfittedwithnewpumps,whichwouldhelpreducetheelectricaldemandatthesetwosites.
TABLE4.12-3:CHANGEINWBAWELLENERGYUSAGE(inMWh)
WellSite
WBA3405-11
WBA3408-1
WBA3409-2
WBA3410-1
WBA6723-1
WBA6724-1
WBA6725-1
Total(MWh)
1
ExistingAverage
YearlyUsage
ProposedAverageYearly
Usage
ChangeinYearlyUsage
104
1,198
210
339
73
966
818
3,708
0
1,198
154
294
73
811
687
3,217
-104
0
-56
-45
0
-155
-131
-491
Welltobeabandoned.
OperationalPowerUseatWBATreatmentFacilities–TheID8WBAWaterTreatmentFacilityis
estimatedtouseapproximately7,061MWhperyear.TheLaQuintaWBAWaterTreatment
Facilitywoulduseapproximately5,571MWhperyear.
ImpactConclusion–Overall,theproposedincreaseinenergyusagerelatedtotheproject
facilitiesisconsideredmarginalincomparisontotheenergyusagewithintheCoachellaValley.
Toputthisinperspective,CoachellaValleyhouseholdsusedanaverageof12MWh/yearin
2014(Roth2015).Withapproximately126,680householdsinjurisdictionswherechromium-6
projectfacilitiesareproposed(DOF2015),thecurrentenergyuseisestimatedat1,583,120
MWh.Thenumberofhouseholdsinjurisdictionswherechromium-6projectfacilitiesare
proposedisprojectedtoincreaseto163,739householdsby2035(SCAG2008);theprojected
energydemandforthesehouseholdsisestimatedat2,046,246MWh.Projectedgrowthincity
andcountypopulationsandlandusesinCoachellaValleywouldresultinsubstantialincreasesin
electricityandnaturalgasusage,towhichtheenergyprovidersinCoachellaValley(i.e.,SCEand
IID)areplanningforlong-termgrowthandassociatedinfrastructure.
Currently,theexistingSBAandWBAwellsitesuseapproximately21,270MWhofelectricityper
yearcombined.Theprojectasawholewoulduseamaximumofapproximately41,153MWhof
electricityperyear,dependingonthebrinedisposaloptionchosen,whichrepresentsnearlya
doublingoftheexistingusageattheexistingprojectwellsites.Thisdemandincreaserepresents
0.00013%ofRiversideCounty’selectricityusage(14,691kWh1)(CaliforniaEnergyConsumption
DataManagementSystem2013).Thisincreaseindemandwouldbeaccommodatedbythe
energyproviderswithinCoachellaValley(SCEandIID),andwouldnotconstrainlocalorregional
energysupplies,requireadditionalcapacity,orsubstantiallyaffectpeakandbaseperiodsof
electricaldemandduringoperation.Additionally,CVWDparticipatesinprogramswherebyits
1
ExpressedinmillionsofkWh
Coachella Valley Water District
Chromium-6 Water Treatment Facilities Project
4.12-11
Draft EIR
April 2016
Section4.12MineralandEnergyResources
domesticwaterpumpsareautomaticallyshutdown(withnointerruptioninthedeliveryof
domesticwater)whentheelectricalgridisatpeakdemand,helpingtopreserveserviceto
hundredsofhomesthatotherwisemightexperiencealossofservice.Therefore,theenergy
demandsoftheproposedprojectwouldbeaccommodatedbytheexistinglocalandregional
energysupplies,nonewcapacitywouldberequired,andtheimpactwouldbelessthan
significant.
4.12.5 SIGNIFICANCEAFTERMITIGATION
Nomitigationprogramisrequired.
4.12.6 CUMULATIVEIMPACTS
ThegeographicareafortheanalysisofmineralandenergyimpactsconsistsofRiversideCountyandthe
serviceareasofSouthernCaliforniaEdisonandImperialIrrigationDistrictwithinRiversideCounty.This
analysiswasperformedusingthegrowthprojectionapproachpursuanttoStateCEQAGuidelines
Section15130(b)(1)(B).Theprojectwouldnotresultinproject-specificimpactsrelatedtomineral
resources;therefore,implementationoftheprojectwouldnotcontributetocumulativeimpactstothis
resource.
Cumulativeprojectsprovidedbylocaljurisdictionswhereprojectfacilitiesarelocatedwerereviewed.
BecausegrowthanddevelopmentareassumedtocontinuetooccurthroughoutRiversideCounty,
constructionandoperationofnewdevelopmentwouldresultinincrementalincreasesinenergy
demand.SincetheprojectisawatertreatmentprojectthatwillenableCVWDtoachievecompliance
withthenewchromium-6regulationthatwaspromulgatedbytheStateofCaliforniainJuly2014,the
projectinvolvestreatmentofexistingdrinkingwatersupplies,anddoesnotinvolveanexpansionofthe
drinkingwatersupplysystemoranincreaseinpumpingfromgroundwaterbasinsusedformunicipal
supply.Therefore,theprojectwouldnotdirectlyorindirectlyinducegrowthintheprojectareaorthe
region,whichwouldincreaseenergyuseinthelong-term.AsdescribedinImpactME-4,theproject
wouldhaveless-than-significantimpactsonenergydemandduringconstructionandoperationbecause
itwouldnotincreasethelong-termuseofenergy,wouldnotuseenergyinawastefulorinefficient
manner,andthelong-termenergydemandforongoingoperationwouldbesmallincomparisonto
energydemandinRiversideCountyasawhole.Duringconstruction,CVWDanditscontractorwould
prepareaconstructionmanagementplanthatwouldensureconstructionactivitiesareconductedina
fuel-efficientmanner.Increasesindemandduringlong-termoperationswouldbeaccommodatedby
theenergyproviderswithinCoachellaValley(SCEandIID),andwouldnotconstrainlocalorregional
energysupplies,requireadditionalcapacity,orsubstantiallyaffectpeakandbaseperiodsofelectrical
demandduringoperation.Projectedcityandcountypopulationsandlanduseswouldresultin
substantialincreasesinelectricityandnaturalgasusage,towhichtheenergyprovidersinCoachella
Valley(i.e.,SCEandIID)areplanningforlong-termgrowthandassociatedinfrastructure.Asaresult,
theproject’scontributiontoacumulativeimpactonenergyresourceswouldnotbecumulatively
considerable.
Coachella Valley Water District
Chromium-6 Water Treatment Facilities Project
4.12-12
Draft EIR
April 2016
Section4.12MineralandEnergyResources
4.12.7 REFERENCES
CaliforniaEnergyCommission(CEC).2015.DesertRenewableEnergyConservationPlanwebsite:
http://www.drecp.org/
CEC.2006.SourcesofElectricityforMajorUtilitiesinCaliforniaat
http://energyalmanac.ca.gov/electricity/electricity_resource_mix_pie_charts/
CaliforniaDepartmentofFinance(DOF).2015.E-1Cities,Counties,andtheStatePopulationEstimates
withAnnualPercentChange—January1,2014and2015.
http://www.dof.ca.gov/research/demographic/reports/estimates/e-1/documents/E12015InternetVersion.xls
CECandCaliforniaPublicUtilitiesCommission(CPUC).2005.Final2005EnergyActionPlanII
ImplementationRoadmapforEnergyPolicies.October.
CECandCPUC.2008.2008UpdateEnergyActionPlan.February.
CaliforniaGeologicalSurvey(CGS).2015.MineralLandClassificationwebsite:
http://www.conservation.ca.gov/cgs/minerals/mlc
CityofIndio,CommunityDevelopmentStatusReport,January7,2016
CityofPalmDesert(2015,April).Non-ResidentialApprovedProjectList-April2015APPLICANT(S)CASE
NUMBER(S)LOCATIONPROJECTNAMEANDDESCRIPTIONAPPROVAL.RetrievedJanuary09,
2015,fromhttp://www.cityofpalmdesert.org/Index.aspx?page=163
CityofPalmDesert(2015,April).ResidentialApprovedProjectList-April2015APPLICANT(S)CASE
NUMBER(S)LOCATIONPROJECTNAMEANDDESCRIPTIONAPPROVAL.RetrievedJanuary09,
2015,fromhttp://www.cityofpalmdesert.org/Index.aspx?page=163
CityofRanchoMirage,DevelopmentActivitySummary,January8,2016
CVWD.2014.DesignDevelopmentManual.
HazenandSawyer.September2015.BasisofDesignReportsforChromium-6WaterTreatment
FacilitiesProject.PreparedforCVWD.
ListofProjectsinDesertHotSprings[E-mailtoC.].(2016,January26).
ObtainingalistofprojectswithinLaQuinta[E-mailtoC.].(2016,January8).
ObtainingalistofprojectswithinThermal[E-mailtoC.].(2016,January8).
RiversideCounty,2015.RiversideCountyeREDwebsite:
http://planning.rctlma.org/Home/RiversideCountyeREDProgram.aspx
Coachella Valley Water District
Chromium-6 Water Treatment Facilities Project
4.12-13
Draft EIR
April 2016
Section4.12MineralandEnergyResources
Roth,S.(2015,May20).MajorchangescomingtoCaliforniaelectricityrates.DesertSun.Retrievedfrom
http://www.desertsun.com/story/tech/science/energy/2015/05/20/major-changes-comingelectricity-rates/27679433/
SCAG(SouthernCaliforniaAssociationofGovernments).2008.FinalRegionalComprehensivePlan.
Available:http://www.scag.ca.gov/rcp/index.htm
SCAG.2008.RegionalTransportationPlan.Available:http://www.scag.ca.gov/rtp2008/index.htm
Coachella Valley Water District
Chromium-6 Water Treatment Facilities Project
4.12-14
Draft EIR
April 2016