March25,2016

IntheMatterofWaterQualityCertification

forthe

StateRoute128/253CulvertRehabilitationProject(PhaseIII,Part2)

38.991,‐123.3538to38.875,‐123.10581WDIDNo.1B15162WNME,ECMPINCW‐820346CaltransEANo.01‐37813,EFISNo.01‐0000‐0134

APPLICANT: CaliforniaDepartmentofTransportation

RECEIVINGWATERS: RussianRiver&NorthForkNavarroRiver

HYDROLOGICAREA: MendocinoCoast,NavarroRiver,Sub‐area113.50MendocinoCoast,MiddleRussianRiver,Sub‐area114.24

COUNTY: Mendocino

FILENAME: CDOTMEN‐128‐PM30.14‐48.44StateRoute128/253CulvertRehabilitationProject(PhaseIII,Part2)

FINDINGSBYTHEEXECUTIVEOFFICER:1. OnDecember22,2015,theNorthCoastRegionalWaterQualityControlBoard

(RegionalWaterBoard)receivedanapplicationfromtheCaliforniaDepartmentofTransportation(Caltrans),requestingFederalCleanWaterAct,section401,WaterQualityCertification(certification)foractivitiesrelatedtotheproposedHighway128/253CulvertRehabilitationProjectPhaseIII(Part2),(Project).

1 WGS84 datum

CDOTMENSR128/253Culvert ‐2‐ March25,2016WDIDNo.1B15162WNME

2. PublicNotice:TheRegionalWaterBoardprovidedpublicnoticeoftheapplicationpursuanttotitle23,CaliforniaCodeofRegulations,section3858onFebruary9,2016,andpostedinformationdescribingtheProjectontheRegionalWaterBoard’swebsite.Nocommentswerereceived.

3. ReceivingWaters:TheproposedProjectwillcausedisturbancestotributariesofthe

RussianRiverandNavarroRiver.(MiddleRussianRiver,Sub‐Area114.24andNavarroRiver,Sub‐Area113.50).

4. ProjectDescription:ThepurposeoftheProjectistorehabilitate22deteriorated

culvertsthatCaltranshasdeterminedtohavereachedlifeexpectancy,thuspreventinghighwaydamagefrompotentialculvertfailure.TheProjectareaisonRoute128(MEN128)betweenPostMiles(PM)30.14and48.44inMendocinoCounty.

WorkwillbeconductedondrainagesystemsatthefollowingSR128Post‐Miles:

30.14 30.57 31.03 31.09 31.26 35.42 35.4835.94 38.77 40.52 40.75 41.12 41.35 42.8143.16 44.85 46.66 47.52 47.71 47.97 48.348.44

DS–1PM30.14Theexistingupstream18”x21.1’corrugatedmetalpipe(CMP)downdrainandconcreteheadwall,concretedrainageinlet,and18”x40.2’CMPculvertwillberemovedandreplacedbytrenchcutandcoverwithanew24”concreteheadwall,24”x21.1’alternativepipedowndrain,concreteopen‐gratedinletwithhotmixasphalt(HMA)apronanddike,and24”x49.7’alternativepipeculvert(APC)witha24”concreteheadwallattheoutlet.Importedrockymaterialwillbeusedtorecontourtheslopeabovetheoutlet.DS–2PM30.57Theexisting18”x48.5’CMPculvertwillberemovedbytrenchcutandcover,alongwiththeexistinginletheadwall,andreplacedwitha24”x55.1’APCandstraight24”concreteheadwallsatboththeinletandoutlet.Importedrockymaterialwillbeusedtorecontourtheslopeaboveboththeinletandoutlet,andminorconcretebackfillwillbeplacedatop30’ofthemiddleoftheculvertlength.DS–3PM31.03Theexisting18”x55.2’CMPculvertand18”x29.5’CMPdowndrainwillbereplacedwitha24”x55.3’APCbytrenchcutandcover,alongwithanew24x30.2’APdowndrainandanchorassembly.Approximately44cubicyardsofrockslopeprotection(RSP)willbeinstalledattheoutlet.

CDOTMENSR128/253Culvert ‐3‐ March25,2016WDIDNo.1B15162WNME

DS–4PM31.09Theexisting15”x54.0’CMPculvertandconcreteinletheadwallwillbereplacedwitha24”x54.0’APCbytrenchcutandcover.Anewstraight24”concreteheadwallwillbeinstalledattheinlet,andimportedrockymaterialwillbeusedtorecontourtheslopeabovetheculvertinlet.DS–5PM31.26Twoendpieces(7.5’‐and3.5’‐longsections)oftheexisting18”x86’CMPculvertwillberemovedandtheremaining72.5’sectionabandonedinplace.Anew24”x65.1’APCand24”concretestraightinletheadwallwillbeinstalledabovetheabandonedculvertbytrenchcutandcover,alongwitha24”x20.3’alternativepipeoutletdowndrain.Importedrockymaterialwillbeusedtobackfilltheoldinletarea,aswellastorecontourtheslopeabovethenewAPCculvertinlet.Approximately6.2cubicyardsofRSPwillbeinstalledatthedowndrainoutlet.DS–6PM35.42Theexisting18”x40’CMPandinletstructurewillberemovedbytrenchcutandcoverandreplacedwitha24”x45.4’APCandanopen‐gratedconcretedraininginlet.Anexistinggabionbasketwallwillbeprotectedinplaceattheinlet,andanHMAapronanddikewillbeinstalledattheinletandminorconcretebackfillwillbeplacedabovetheculvertattheinletside.DS–7PM35.48Theexisting18”x37.3’CMPculvertandconcreteinletstructurewillbereplacedwitha24”x44’APCbytrenchcutandcover,andanewconcretedouble‐open‐grateddrainageinletwillbeinstalledalongwithaHMAapronanddike.Importedrockymaterialwillbeusedtorecontourtheslopeabovetheoutlet.DS–8PM35.94Theexisting18”x40.7’CMPandinletstructurewillberemovedandthereplacedwitha24”x51.1’APCbytrenchcutandcover,alongwithanewsteelopenmetalpipe(OMP)drainageinletandmetalflared‐endsectionattheoutlet.Importedrockymaterialwillbeusedtorecontourtheslopeabovetheoutlet.DS–9PM38.77Theexisting18”x35.4’CMPwillbereplacedwithanew24’x38.6’APCusingtrenchcutandcover,alongwithaconcreteopen‐grateddrainageinletandHMAapronanddike.Existingconcretescourprotectionwillbereplacedbyconcrete‐and‐RSPattheinletchannel.Minorconcretebackfillwillbeplacedatopthecenterportionofthenewculvert,andimportedrockymaterialwillbeusedtorecontourtheslopeabovetheoutlet.

CDOTMENSR128/253Culvert ‐4‐ March25,2016WDIDNo.1B15162WNME

DS–10PM40.52Usingtrenchcutandcover,theexisting18”x41.0’CMPculvertwillbereplacedwitha24”x46.0’APC,andtheexitinginletheadwallwithanew24”concretestraightheadwall.Importedrockymaterialwillbeusedtorecontourtheslopesatboththeinletandoutlet.DS–11PM40.75Theexisting18”x39.0’CMPculvertandinletheadwallwillberemovedandreplacedwitha24”x39.8’APCandnew24”concretestraightinletheadwall.About13feetofconcretebackfillwillbeinstalledfromtheinletsideoftheculvert,andimportedrockymaterialwillbeusedtorecontourtheslopesaboveboththeinletandoutletends.Anexisting4”fiberopticcable,encasedin6inchesofconcrete,runsbelowtheculvertalignment.DS–12PM41.12Theexisting18”x40.6’CMPculvertwillbereplacedwitha24”x45.5’APCbytrenchcutandcover,andtheexistingconcreteheadwallwillberemovedandanew24”concretestraightinletheadwallinstalled.Approximately12cubicyardsofRSPwillbeplacedintheroadsidedrainageditchleadingtotheculvertinlet,andimportedrockymaterialwillbeusedtocontourtheslopeabovetheinlet.Anexisting4”fiberopticcable,encasedin6inchesofconcrete,runsbelowtheculvertalignment.DS–13PM41.35Theexisting18”x41.6’CMPculvertwillbereplacedwitha24”x47.8’APCbytrenchcutandcover,andtheexistinginletconcreteheadwallremoved.Anew24”concretestraightheadwallwillbeinstalled,andimportedrockymaterialwillbeusedtorecontourtheslopeabovetheinlet.Approximately6cubicyardsofRSPwillbeplacedattheoutlet.DS–14PM42.81Anew24”x76.5’APCwillbeinstalledwherethepreviouspipewaslostduringconstructionofadriveway.Importedrockymaterialwillbeusedtorecontourtheslopeattheoutletside.DS–15PM43.16Theexisting18”x58.4’CMPandheadwallwillbereplacedwitha24”x59.6’APCusingtrenchcutandcoverconstruction,andanewstraight24”concreteheadwallinstalledattheinlet.About27’ofconcretebackfillwillbeplacedatoptheculvertfromtheinletside,andimportedrockymaterialwillbeusedtorecontourtheslopeabovetheboththeinletoutlet.Additionally,anexisting4”fiberopticcableencasedin6inchesofconcretebelowtheculvertalignmentwillbeprotectedinplace.

CDOTMENSR128/253Culvert ‐5‐ March25,2016WDIDNo.1B15162WNME

DS–16PM44.85Theexisting18”x32.9’CMPculvertwillberemovedusingtrenchcutandcoverandreplacedwitha24”x34.2’APC.Adrainageinletwillbeinstalled,aswellasa2”x39.0’plasticsupplypipehousedwithina6”x38.0’CMP.Approximately13’ofminorconcretebackfillwillbeinstalledabovetheculvertfromtheinletside,and4.5cubicyardsofRSPinstalledattheoutlet.Additionally,a4”fiberopticcablehousedwithin6”ofconcretewillbeprotectedinplace.DS–17PM46.66Theexisting18”x45.8’CMPculvertand12”x18.9’downdrainwillbereplacedwitha24”x46.0’APCand24”x24.4’APdowndrainbytrenchcutandcover.AnHMAdikeandpavedgutterflarewillbeplacedtodirectsurfaceandroadsidedrainageflowsintoanew12”x24.7’downdrainassembly.Approximately15’ofminorconcretebackfillwillbeplacedatoptheculvertfrominletside,andimportedrockymaterialusedtorecontourtheslopeontheoutletside.6.2cubicyardsofRSPwillbeinstalledattheconfluenceoftheculvertanddowndrainoutlets.Anexisting4”fiberopticcableencasedin6”ofconcretewillbeprotectedinplace.DS–18PM47.52Theexisting18”x51.9’CMPculvertwillberemovedviatrenchcutandcover,alongwiththeexitinginletconcreteheadwall,andreplacedwitha24”x58.1’APCandnewstraight24”concreteinletheadwall.Importedrockymaterialwillbeusedtorecontourtheslopeattheoutlet,and6.2cubicyardsofRSPwillbeinstalledattheculvertoutlet.Anexisting4”fiberopticcable,encasedin6”ofconcrete,runsbeneaththeculvertalignment.DS–19PM47.71Theexisting18”x57.6’CMPculvertwillberemovedbytrenchcutandcoverandreplacedwithanew24”x62.2’APCandstraight24”concreteheadwall.Approximately17’ofminorconcretebackfillwillbeplacedatoptheculvertfromtheinletside,andimportedrockymaterialwillbeusedtorecontourtheslopeattheoutlet.Approximately6.2cubicyardsofRSPwillbeinstalledattheculvertoutlet.Anexisting4”fiberopticcableencasedin6”ofconcretewillbeprotectedinplace.DS–20PM47.97Theexisting18”x40.4’CMPculvertwillbereplacedbytrenchcutandcoverwitha24”x42.8’APC.Asloped24”concreteheadwallwillbeinstalledattheoutletendoftheculvert,andapproximately12’ofminorconcretebackfillwillbeplacedatoptheculvertfromtheinletside.DS–21PM48.30Theexisting18”x40.2’CMPwillbereplacedusingtrenchcutandcoverwitha24”x44.8’APC.Importedrockymaterialwillbeusedtorecontourtheslopeabovethe

CDOTMENSR128/253Culvert ‐6‐ March25,2016WDIDNo.1B15162WNME

outlet,andapproximately12’ofminorconcretebackfillwillbeplacedatoptheculvertfromtheinletside.DS–22PM48.44Theexisting18”x50.7’CMPwillbereplacedusingtrenchcutandcoverwithanew24”x52.6’APC.Asteelpipedrainageinletwillalsobeinstalled,andimportedrockymaterialwillbeusedtorecontourtheslopeabovetheoutlet.Anexisting4”fiberopticcable,encasedin6”ofconcrete,runsbeneaththeculvertalignment.

5. ConstructionTiming:TheProjectisexpectedtobecompletedwithinapproximately66workingdays.TheProjectisproposedtobeginonJuly1,2016,andbecompletedonSeptember1,2016.

6. ProjectImpacts:TheproposedProjectwillresultinapproximately412.8linearfeet

(0.012acres)ofpermanentimpactstojurisdictionalwatersduetodisturbanceduringconstruction.TheproposedProjectwillresultinapproximately1,359.9linearfeet(0.04acres)oftemporaryimpactstojurisdictionalwatersduetothenewdrainagesystembeinginstalled.TheProjectwillalsoresultinapproximately0.001acresofpermanentimpactsand0.003acresoftemporaryimpactstowetlandsduetodisturbanceduringconstruction.

7. MitigationforProjectImpacts:Caltransshallmitigateforpermanentimpactsby

providing0.36acresofrestoredwetlandsand0.17acresofrestoredwatersofthestateatMacKerricherStatePark,immediatelynorthofFortBragg.MitigationshallbecompletedconsistentwiththeApril2013,InglenookFen‐TenMileDuneNaturalPreserveMitigationandMonitoringPlan,preparedbyCaltrans.

8. Post‐ConstructionStormWater:Post‐constructionstormwatertreatmentisnot

requiredbecauseProjectimplementationwillresultinlessthan5,000squarefeetofaddedorreworkedimperviousarea.

9. DisturbedSoilArea:Projectimplementationwillresultinlessthanoneacreofdisturbedsoilarea.Caltransshallutilizeappropriateerosioncontrol,sedimentcontrol,andsitemanagementBestManagementPracticestopreventdischargeofpollutantsduringconstruction.

10. UtilityRelocations:Utilityrelocationsaffectingjurisdictionalwatersarenotproposed

forthisProject.

11. OtherAgencyActions:CaltranshasrequestedU.S.ArmyCorpsofEngineersauthorizationtoperformtheprojectunderRegionalGeneralPermitno.2009‐00447N,pursuanttoCWA,section404.Caltranshasalsosubmittedasection1600NotificationofLakeorStreambedAlterationtotheCaliforniaDepartmentofFishandWildlife.CaltransreceivedaBiologicalOpinion(AFWO‐10B0003‐10F0090)fromtheNational

CDOTMENSR128/253Culvert ‐7‐ March25,2016WDIDNo.1B15162WNME

MarineFisheriesService(NMFS)onJanuary4,2005,thatdeterminedtheProjectisnotlikelytoadverselyaffectlistedsalmonidspecies.CaltransreinitiatedconsultationwithNMFSin2006afterachangeinthelistingstatusofCentralCaliforniaCoastcohosalmonaswellasdesignationofcriticalhabitatforNorthernCaliforniasteelheadandCentralCaliforniaCoaststeelhead.InaJanuary10,2007letter,NMFSmaintainedthattheoriginalBiologicalOpinionandincidentaltakestatementremainedvalid.

12. CEQACompliance:OnJune6,2005,CaltranssignedaNoticeofDeterminationapprovingaMitigatedNegativeDeclarationfortheProject(StateClearinghouseNo.2015021063)inordertocomplywiththeCaliforniaEnvironmentalQualityAct.

13. TotalMaximumDailyLoad:TheNavarroRiverisidentifiedasimpairedforsediment

andtemperatureundertheCleanWaterActSection303(d)list.Erosionisidentifiedasacontributingsourcetosedimentimpairment.Caltranswillutilizeappropriateerosioncontrol,sedimentcontrol,andsitemanagementBMPstocontrolpollutantsduringconstruction,anddrainageimprovementswillresultinanetreductioninsedimentcontributions.Accordingly,thiscertificationdoesnotcertifyanyactivitiesthatwouldcontributetoEelRiversedimentortemperatureimpairment.

14. AntidegradationPolicy:ThefederalantidegradationpolicyrequiresthatStatewater

qualitystandardsincludeanantidegradationpolicyconsistentwiththefederalpolicy.TheStateWaterBoardestablishedCalifornia’santidegradationpolicyinStateWaterBoardResolutionNo.68‐16.ResolutionNo.68‐16incorporatesthefederalantidegradationpolicywherethefederalpolicyappliesunderfederallaw.ResolutionNo.68‐16requiresthatexistingqualityofwatersbemaintainedunlessdegradationisjustifiedbasedonspecificfindings.TheRegionalWaterBoard’sBasinPlanimplements,andincorporatesbyreference,boththeStateandfederalantidegradationpolicies.ThiscertificationisconsistentwithapplicablefederalandStateantidegradationpolicies,asitdoesnotauthorizethedischargeofincreasedconcentrationsofpollutantsorincreasedvolumesoftreatedwastewater,anddoesnototherwiseauthorizedegradationofthewatersaffectedbythisProject.

15. ThisdischargeisalsoregulatedunderStateWaterResourcesControlBoardOrderNo.

2003‐0017‐DWQ,"GeneralWasteDischargeRequirementsforDredgeandFillDischargesThatHaveReceivedStateWaterQualityCertification,"whichrequirescompliancewithallconditionsofthiscertification.OrderNo.2003‐0017‐DWQcanbefoundhere:http://www.waterboards.ca.gov/board_decisions/adopted_orders/water_quality/2003/wqo/wqo2003‐0017.pdf.

CDOTMENSR128/253Culvert ‐8‐ March25,2016WDIDNo.1B15162WNME

Accordingly,basedonitsindependentreviewoftherecord,theRegionalWaterBoardcertifiesthattheStateRoute128/253CulvertRehabilitationProject(PhaseIII,Part2)(WDIDNo.1B15162WNME),asdescribedintheapplicationwillcomplywithsections301,302,303,306and307oftheCleanWaterAct,andwithapplicableprovisionsofstatelaw,providedthatCaltranscomplieswiththefollowingtermsandconditions:AllconditionsofthiscertificationapplytoCaltrans(andtheiremployees)andallcontractors(andtheiremployees),sub‐contractors(andtheiremployees),andanyotherentityoragencythatperformsactivitiesorworkontheProjectasrelatedtothisWaterQualityCertification.Project‐SpecificConditions

1. Caltransshallrestore0.36acresofwetlandsand0.17acresofwatersofthestateattheInglenookFen–TenMileDunesPreserveaspartoftheCaliforniaStateParksMacKerricherStateParkDuneRehabilitationProject,asseenintheMitigationandMonitoringPlan,datedApril13.

Project‐SpecificConditionsRequiringReports

2. TheRegionalWaterBoardshallbenotifiedinwriting(e‐mailisacceptable)atleastfiveworkingdayspriortocommencementofgrounddisturbingactivitiesforeachconstructionseason.

3. CaltransshallimplementtheproposedStateRoute128/253CulvertRehabilitationProject(PhaseIII,Part2)RevegetationPlan,datedDecember2015(Plan).Caltransshallsubmityears1,2,3,4,and5monitoringreports,nolaterthanJanuary31followingtherespectivemonitoringyear.Themonitoringreportsshallincludephotos,plantcounts,andsuccesscriteriaforsurvivalcounts.

StandardConditions(continued)

4. HerbicidesandotherpesticidesshallnotbeusedwithintheProjectlimits.IfCaltranshasacompellingcaseastowhypesticidesshouldbeused,thenarequestforpesticideuseandaBMPplanmaybesubmittedtotheRegionalWaterBoardstaffforreviewandacceptance.

ReceivingWater: RussianRiver&NorthForkNavarroRiver

Filledand/orExcavatedAreas: Permanent–jurisdictionalwaters

Temporary–jurisdictionalwaters

412.8linearfeet(0.012acres)

1,359.9linearfeet(0.04acres)

Latitude/Longitude: 38.991,‐123.3538to38.875,‐123.1058

CertificationExpiration: March25,2021

CDOTMENSR128/253Culvert ‐9‐ March25,2016WDIDNo.1B15162WNME

StandardConditions(continued)

5. AllProjectactivitiesandBMPsshallbeimplementedaccordingtothesubmittedapplicationpackageandthefindingsandconditionsofthiscertification.SubsequentchangestotheProjectthatcouldsignificantlyimpactwaterqualityshallfirstbesubmittedtoRegionalWaterBoardstaffforpriorreview,consideration,andwrittenconcurrence.IftheRegionalWaterBoardisnotnotifiedofanalterationtotheProjectthatresultsinanimpacttowaterquality,itwillbeconsideredaviolationofthiscertification,andCaltransmaybesubjecttoRegionalWaterBoardenforcementactions.

6. AllconditionsrequiredbythiscertificationshallbeincludedintheContractDocumentspreparedbyCaltransforthecontractor.Inaddition,CaltransshallrequirecompliancewithallconditionsincludedinthiscertificationinthebidcontractforthisProject.

7. CaltransisprohibitedfromdischargingwastetowatersoftheState,unlessexplicitly

authorizedbythiscertification.Forexample,nodebris,soil,silt,sand,bark,slash,sawdust,rubbish,cementorconcreteorconcretewashings,weldingslag,oilorpetroleumproducts,orotherorganicorearthenmaterialfromanyconstructionorassociatedactivityofwhatevernature,shallbeallowedtoenterintoStatewaters.

8. Exceptfortemporarystockpilingofwastegeneratedduringdemolitionoperations

(“temporary”inthisinstancemeansgeneratedandremovedduringthesameworkingday),wastematerialsshallnotbeplacedinamannerwherethematerialsmaybetransportedintowatersoftheState.Wastematerialsshallnotbeplacedwithin100linearfeetofStatewaters.Exceptionstothe100‐footlimitmaybegrantedonacase‐by‐casebasisprovidedCaltransfirstsubmitsaproposalinwritingthatisfoundacceptablebyRegionalWaterBoardstaff.

9. Caltransisliableandresponsiblefortheproperdisposal,reuse,and/orrecyclingofallProject‐generatedwasteincompliancewithapplicableStateandFederallawsandregulations,andasdescribedinCaltrans2010StandardSpecifications13‐4.03D,WasteManagement.Additionally,whenhandling,transporting,disposing,reusing,and/orrecyclingProject‐generatedwaste,Caltransandtheircontractorsshall:

i) ProvidetheRegionalWaterBoardwithacopyoftheSolidWasteDisposalandRecyclingReportpreparedforCaltransbythecontractorperCaltrans2010StandardSpecification14‐10.02A(1),Submittals.ThesereportsshallbeprovidednotlaterthanJanuary31foreachyearworkisperformedduringthepreviouscalendaryear.AcopyofthefinalSolidWasteDisposalandRecyclingReportshallbesubmittedtotheRegionalWaterBoardwithin30daysafterbeingreceivedbyCaltransfromthecontractor.

ii) Forwasteotherthansolidwaste,obtainevidencethatwastehasbeenappropriatelydisposed,reused,and/orrecycled.Evidenceshallinclude

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StandardConditions(continued)

typeandquantityofwasteandmayinclude,butnotbelimitedto,propertyowneragreements,permits,licenses,andenvironmentalclearances.EvidenceshallbeprovidedtotheRegionalWaterBoarduponrequest;and

iii) Forwasteotherthansolidwaste,ensuretheResidentEngineerhasgivenwrittenpermissionfordisposal,reuse,and/orrecycling,priortotheactualdisposal,reuse,and/orrecycling.

10. Asphalt‐concretegrindingsshallnotbeplacedinanylocationwheretheymay,atany

time,bedirectlyexposedtosurfacewatersorseasonallyhighgroundwater,exceptasphalt‐concretegrindingsmaybere‐usedandincorporatedintohotmixasphaltproductsorencapsulatedwithintheroadwaystructuralsection.

11. CaltransandtheircontractorsshallcomplywiththeactivityrestrictionsdetailedinCaltrans2010StandardSpecifications13‐4.03C(1).Inaddition,fueling,maintenance,storageandstagingofvehiclesandequipmentshallbeprohibitedwithinwatersoftheState(e.g.,gravelbars,seeps,ephemeralstreams)andriparianareas.

12. Fueling,maintenance,and/orstagingofindividualequipmenttypeswithinwatersof

theStateorriparianareasmaybeauthorizedifCaltransfirstpreparesaplanforreviewandapprovalbyRegionalWaterBoardstaffthat:

i) Identifiesthespecificpieceofmachinerythatmayrequirefueling,maintenance,and/orstagingwithinwatersoftheStateorriparianareas;

ii) Providesjustificationfortheneedtorefuel,maintain,orstagewithinStatewatersorriparianareas.Thejustificationshalldescribewhyconductingtheactivityoutsideofjurisdictionalwatersisinfeasible;and

iii) IncludesanarrativeofspecificBMPsthatshallbeemployedtopreventdischargestoStatewatersandriparianareas;

13. CaltransshallnotuseleakingvehiclesorequipmentwithinStatewatersorriparian

areas.14. Only100‐percentbiodegradableerosionandsedimentcontrolproductsthatwillnot

entraporharmwildlifeshallbeused.Photodegradablesyntheticproductsarenotconsideredbiodegradable.IfCaltransfindsthaterosioncontrolnettingorproductshaveentrappedorharmedwildlife,personnelshallremovethenettingorproductandreplaceitwithwildlife‐friendlybiodegradableproducts.Thisconditiondoesnotprohibittheuseofplasticsheetingusedinwaterdiversionordewateringactivities.CaltransshallrequestapprovalfromtheRegionalWaterBoardifanexceptiontothisrequirementisneededforaspecificlocation.

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StandardConditions(continued)

15. Workinflowingorstandingsurfacewaters,unlessotherwiseproposedintheproject

descriptionandapprovedbytheRegionalWaterBoard,isprohibited.

16. Non‐stormwaterdischargesareprohibitedunlessthedischargeisfirstapprovedbytheRegionalWaterBoardandincompliancewiththeBasinPlan.Ifdewateringofgroundwaterisnecessary,thenCaltransshalluseamethodofwaterdisposalotherthandisposaltogroundorsurfacewaters,suchaslanddisposal.GroundwaterdisposedoftolandshallnotenterStatewaters.Alternatively,CaltransmayapplyforcoverageundertheLowThreatDischargePermitoranindividualNationalPollutantDischargeEliminationSystem(NPDES)Permit.IfCaltransappliesforcoverageundereitherofthesepermits,thendischargeisprohibiteduntilCaltranshasreceivednotificationofcoverageundertherespectivepermit.

17. GravelbagsusedwithinStatewatersshall:

i) ComplywithCaltrans2010StandardSpecificationssections13‐5.02Gand88‐1.02F;

ii) Beimmediatelyremovedandreplacedifthebagshavedevelopedoraredevelopingholesortears;and

iii) Befilledonlywithcleanwashedgravel.

ExceptionstothesecriteriaaresubjecttothereviewandacceptanceofRegionalWaterBoardstaff.

18. Thiscertificationdoesnotauthorizedraftingofsurfacewaters.

19. CaltransshallprovideaccesstotheProjectconstructionsiteuponrequestbyRegional

WaterBoardstaff.

20. InitialwaterpollutioncontroltrainingdescribedinCaltrans2010StandardSpecifications13‐1.01D(2),Training,shallapplytoallCaltransemployees,contractors,andsub‐contractors.InitialwaterpollutioncontroltrainingtopicsshallincludeRegionalWaterBoard401certificationandconstructiongeneralpermitrequirements,identificationofstatewatersandriparianareas,andviolationavoidanceanddischargereportingprocedures.

21. CaltransshallmaintainlogsofallCaltransstaff,contractors,andsub‐contractorstrainedpursuanttotheCaltrans2010StandardSpecifications13‐1.01D(2).Thelogsshallincludethenamesoftrainees,trainingdates,andsummaryofthescopeoftraining.CaltransshallprovideevidenceofthisdocumentationupontherequestoftheRegionalWaterBoard.

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StandardConditions(continued)

22. Ifanunauthorizeddischargetosurfacewaters(includingwetlands,riversorstreams)occurs,oranyotherthreattowaterqualityarisesasaresultofProjectimplementation,theassociatedProjectactivitiesshallceaseimmediatelyuntilthethreattowaterqualityisotherwiseabated.IfthereisadischargetoStatewaters,theRegionalWaterBoardshallbenotifiednomorethan24hoursafterthedischargeoccurs.

23. UncuredconcreteshallnotbeexposedtoStatewatersorsurfacewatersthatmaydischargetoStatewaters.Concretesealantsmaybeappliedtotheconcretesurfacewheredifficultyinexcludingflowforalongperiodmayoccur.Ifconcretesealantisused,watershallbeexcludedfromthesiteuntilthesealantiscured.Ifgroundwatercomesintocontactwithfreshconcrete,itshallbepreventedfromflowingtowardssurfacewater.

24. Groundandsurfacewaterthathascomeintocontactwithfreshconcrete,andallother

wastewater,shallnotbedischargedtoStatewatersortoalocationwhereitmaydischargetoStatewaters;thewastewatershallbecollectedandre‐usedordisposedofinamannerapprovedbytheRegionalWaterBoard.

25. Allimportedfillmaterialshallbecleanandfreeofpollutants.Allfillmaterialshallbe

importedfromasourcethathastheappropriateenvironmentalclearancesandpermits.Thereuseoflow‐levelcontaminatedsolidsasfillon‐siteshallbeperformedinaccordancewithallStateandFederalpoliciesandestablishedguidelinesandmustbesubmittedtotheRegionalWaterBoardforreviewandconsiderationofacceptance.

26. CaltransshallprovideacopyofthiscertificationandStateWaterResourcesControlBoard(SWRCB)OrderNo.2003‐0017‐DWQ(weblinkreferencedbelow)tothecontractorandallsubcontractorsconductingthework,andrequirethatcopiesremainintheirpossessionattheworksite.Caltransshallberesponsibleforworkconductedbyitscontractorandsubcontractors.

27. Thevalidityofthiscertificationisconditionedupontotalpaymentofanyfeerequired

undertitle23,CaliforniaCodeofRegulations,section3833.Thetotalapplicationfeeis$10,794.TheRegionalWaterBoardreceived$10,794fromCaltransonDecember2,2015.

28. Thiscertificationwillbesubjecttoannualbillingduringtheconstructionphase(“AnnualActiveDischargeFee”)andduringthemonitoringphaseoftheProject(“AnnualPostDischargeMonitoringFee”),perthecurrentfeeschedule,whichcanbefoundonourwebsite:http://www.swrcb.ca.gov/northcoast/water_issues/programs/water_quality_certification.shtml.ThesefeeswillbeautomaticallyinvoicedtoCaltrans.

29. CaltransshallnotifytheRegionalWaterBoarduponProjectconstructioncompletionto

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StandardConditions(continued)

requestterminationoftheAnnualActiveDischargeFeeandtoreceivea“NoticeofCompletionofDischargesLetter.”IftheProjectissubjecttotheAnnualPostDischargeMonitoringFee,thenCaltransshallalsonotifytheRegionalWaterBoardattheendofthemonitoringperiodtorequestterminationofthefeeandreceivea“NoticeofProjectCompleteLetter.”Caltransmayberequiredtosubmitcompletionreportsattheendofeachofthesephases.RegionalWaterBoardstaffmayrequestsitevisitsattheendofeachProjectphasetoconfirmProjectstatusandcompliancewiththiscertification.

30. ThiscertificationactionisnotintendedandshallnotbeconstruedtoapplytoanydischargefromanyactivityinvolvingahydroelectricfacilityrequiringaFederalEnergyRegulatoryCommission(FERC)licenseoranamendmenttoaFERClicenseunlessthepertinentcertificationapplicationwasfiledpursuanttotitle23,CaliforniaCodeofRegulations,section3855,subdivision(b)andtheapplicationspecificallyidentifiedthataFERClicenseoramendmenttoaFERClicenseforahydroelectricfacilitywasbeingsought.

31. Intheeventofanyviolationorthreatenedviolationoftheconditionsofthiscertification,theviolationorthreatenedviolationshallbesubjecttoanyremedies,penalties,processorsanctionsasprovidedforunderapplicablestateorfederallaw.Forthepurposesofsection401(d)oftheCleanWaterAct,theapplicabilityofanystatelawauthorizingremedies,penalties,processorsanctionsfortheviolationorthreatenedviolationconstitutesalimitationnecessarytoassurecompliancewiththewaterqualitystandardsandotherpertinentrequirementsincorporatedintothiscertification.Inresponsetoasuspectedviolationofanyconditionofthiscertification,theStateWaterBoardmayrequiretheholderofanyfederalpermitorlicensesubjecttothiscertificationtofurnish,underpenaltyofperjury,anytechnicalormonitoringreportstheStateWaterBoarddeemsappropriate,providedthattheburden,includingcosts,ofthereportsshallbearareasonablerelationshiptotheneedforthereportsandthebenefitstobeobtainedfromthereports.Inresponsetoanyviolationoftheconditionsofthiscertification,theRegionalWaterBoardmayaddtoormodifytheconditionsofthiscertificationasappropriatetoensurecompliance.

32. Thiscertificationactionissubjecttomodificationorrevocationuponadministrativeorjudicialreview;includingreviewandamendmentpursuanttoWaterCodesection13330andtitle23,CaliforniaCodeofRegulations,section3867.

33. IntheeventofanychangeincontrolofownershipoflandpresentlyownedorcontrolledbyCaltrans,Caltransshallnotifythesuccessor‐in‐interestoftheexistenceofthiscertificationbyletterandshallforwardacopyofthelettertothefollowingemailaddress:NorthCoast@waterboards.ca.gov.Thesuccessor‐in‐interestshalle‐mailtheRegionalWaterBoardExecutiveOfficerat:NorthCoast@waterboards.ca.govtorequestauthorizationtodischargedredgedorfill

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StandardConditions(continued)

materialunderthiscertification.Therequestmustcontainthefollowing:

i) Effectivedateofownershipchange;

ii) Requestingentity’sfulllegalname;

iii) Thestateofincorporation,ifacorporation;

iv) Theaddressandphonenumberofcontactperson;and

v) Adescriptionofanychangestotheprojectorconfirmationthatthesuccessor‐in‐interestintendstoimplementtheprojectasdescribedinthiscertification.

34. Exceptasmaybemodifiedbyanyprecedingconditions,allcertificationactionsare

contingenton:

i) ThedischargebeinglimitedtoandallproposedmitigationbeingcompletedinstrictcompliancewithCaltrans’sProjectdescriptionandCEQAdocumentation,asapprovedherein;and

vi) CompliancewithallapplicablewaterqualityrequirementsandwaterqualitycontrolplansincludingtherequirementsoftheWaterQualityControlPlanfortheNorthCoastRegion(BasinPlan),andamendmentsthereto.

35. AnychangeinthedesignorimplementationoftheProjectthatwouldhaveasignificantormaterialeffectonthefindings,conclusions,orconditionsofthiscertificationmustbesubmittedtotheExecutiveOfficeroftheRegionalWaterBoardforpriorreview,consideration,andwrittenconcurrence.IftheRegionalWaterBoardisnotnotifiedofasignificantalterationtotheproject,itwillbeconsideredaviolationofthiscertification,andCaltransmaybesubjecttoRegionalWaterBoardenforcementactions.

36. TheauthorizationofthiscertificationforanydredgeandfillactivitiesexpiresonMarch

25,2021.Conditionsandmonitoringrequirementsoutlinedinthiscertificationarenotsubjecttotheexpirationdateoutlinedabove,andremaininfulleffectandareenforceable.

Condition2and3arerequirementsforinformationandreports.AnyrequirementforareportmadeasaconditiontothiscertificationisaformalrequirementpursuanttoCaliforniaWaterCodesection13267,andfailureorrefusaltoprovide,orfalsificationofsuchrequiredreportissubjecttocivilliabilityasdescribedinCaliforniaWaterCode,Section13268.TheRegionalWaterBoardmayaddtoormodifytheconditionsofthiscertification,asappropriate,toimplementanyneworrevisedwaterqualitystandardsandimplementation

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plansadoptedorapprovedpursuanttothePorter‐CologneWaterQualityControlActorsection303oftheCleanWaterAct.PleasecontactourstaffEnvironmentalScientist,BrandonStevensat(707)576‐2377,orviae‐mail,atBrandon.Stevens@waterboards.ca.gov,ifyouhaveanyquestions._________________________________ MatthiasSt.John ExecutiveOfficer160325_BDS_dp_CDOT_MEN128&256_Culvert_401

Originalto: Mr.SebastianCohen,Caltrans,District1,1656UnionStreet,Eureka,CA

95501Sebastian.Cohen@dot.ca.govcc: HollyCosta,U.S.ArmyCorpsofEngineersHolly.N.Costa@usace.army.mil JoAnnLoehr,CaliforniaDepartmentofFishandWildlifeJoAnn.Loehr@wildlife.ca.gov

StateWaterResourcesControlBoardStateboard401@waterboards.ca.gov EnvironmentalProtectionAgency,Region9R9‐WTR8‐Mailbox@epa.gov HilarySundeen,CaltransHilary.Sundeen@dot.ca.gov