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Home My WebLink About20180198 Ver 1_SassarixaSwamp_100040_MY2_2022_20230120ID#* 20180198 Select Reviewer: Ryan Hamilton Initial Review Completed Date 01/23/2023 Mitigation Project Submittal - 1/20/2023 Version* 1 Is this a Prospectus, Technical Proposal or a New Site?* Type of Mitigation Project:* Stream Wetlands Buffer Nutrient Offset (Select all that apply) Project Contact Information Contact Name:* Jeremiah Dow Project Information ID#:* 20180198 Existing ID# Project Type: DMS Mitigation Bank Project Name: Sassarixa Swamp Mitigation Site County: Johnston Document Information O Yes O No Email Address:* jeremiah.dow@ncdenr.gov Version:* 1 Existing Version Mitigation Document Type:* Mitigation Monitoring Report File Upload: SassarixaSwamp_100040_MY2_2022.pdf 19.57MB Please upload only one PDF of the complete file that needs to be submitted... Signature Print Name:* Jeremiah Dow Signature: * SASSARIXASWAMPMITIGATIONSITE MONITORINGYEAR2 JohnstonCounty,NC NeuseRiverBasin ANNUALREPORT HUC03020201 Final DMSProjectNo.100040 DMSContractNo.7425 January2023 DMSRFPNo.16007279 USACEActionIDNo.201800432 DWRProjectNo.20180198 DataCollectionDates:JanuaryOctober2022 PREPAREDFOR: NCDepartmentofEnvironmentalQuality DivisionofMitigationServices 1652MailServiceCenter Raleigh,NC276991652 PREPAREDBY: 312WestMillbrookRoad,Suite225 Raleigh,NC27609 JasonLorch jlorch@wildlandseng.com Phone:919.851.9986 SASSARIXASWAMPMITIGATIONSITE MonitoringYear2AnnualReport TABLEOFCONTENTS Section1:PROJECTOVERVIEW........................................................................................................11 1.1ProjectQuantitiesandCredits...................................................................................................11 1.2ProjectGoalsandObjectives.....................................................................................................12 1.3ProjectAttributes.......................................................................................................................13 Section2:MonitoringYear2DataAssessment................................................................................21 2.1VegetativeAssessment..............................................................................................................21 2.2VegetationAreasofConcernandManagement.......................................................................21 2.3StreamAssessment....................................................................................................................21 2.4StreamAreasofConcernandManagement..............................................................................22 2.5HydrologyAssessment...............................................................................................................22 2.6WetlandAssessment..................................................................................................................22 2.7MonitoringYear2Summary......................................................................................................22 Section3:REFERENCES....................................................................................................................31 TABLES Table1:ProjectQuantitiesandCredits.....................................................................................................11 Table2:Goals,PerformanceCriteria,andFunctionalImprovements......................................................12 Table3:ProjectAttributes.........................................................................................................................14 FIGURES Figure1acCurrentConditionPlanView APPENDICES AppendixAVisualAssessmentData Table4VisualStreamMorphologyStabilityAssessmentTable Table5VegetationConditionAssessmentTable StreamPhotographs StreamCrossingPhotographs VegetationPlotPhotographs AppendixBVegetationPlotData Table6VegetationPlotData Table7VegetationPerformanceStandardsSummaryTable AppendixCStreamGeomorphologyData CrossSectionPlots Table8BaselineStreamDataSummary Table9CrossSectionMorphologyMonitoringSummary AppendixDHydrologyData Table10BankfullEvents Table11RainfallSummary Table12GroundwaterGaugeSummary SassarixaSwampMitigationSite MonitoringYear2AnnualReportFinali GroundwaterGaugePlot Table13RecordedInStreamFlowEventsSummary RecordedInStreamFlowEventsPlot AppendixEProjectTimelineandContactInfo Table14ProjectActivityandReportingHistory Table15ProjectContactTable SassarixaSwampMitigationSite MonitoringYear2AnnualReportFinalii Section1: PROJECTOVERVIEW TheSassarixaSwampMitigationSite(Site)islocatedinJohnstonCounty,approximatelysixmiles southwestofSmithfieldandfivemilesnorthofFourOaks.TheSitedrainstoHoltsLake,whichdrainsto theNeuseRiver.HoltsLakeisarecreationallakeclassifiedasaNutrientSensitiveWater(NSW)andthe NeuseRiverisawatersupplyfortheCityofGoldsboro.Table3presentsinformationrelatedtothe projectattributes. 1.1 ProjectQuantitiesandCredits TheSiteislocatedon10parcelsunder7differentlandownersandaconservationeasementwas recordedon65.06acres.MitigationworkwithintheSiteincludedrestoration,enhancementII,and preservationofperennialandintermittentstreamchannels.Table1belowshowsstreamcreditsby reachandthetotalamountofstreamcreditsexpectedatcloseout. Table1:ProjectQuantitiesandCredits PROJECTMITIGATIONQUANTITIES MitigationMitigation ProjectAsBuiltMitigationRestoration PlanRatioCreditsComments SegmentFootageCategoryLevel Footage(X:1) Stream SassarixaFordCrossing,FencingOut 2,6312,631WarmEII2.51,052.400 CreekR1R3Livestock BankStabilization,Fencing T1R1570570WarmEII2.5228.000 OutLivestock FullChannelRestoration, T1R2824810WarmR1.0824.000 FencingOutLivestock FullChannelRestoration, T1R3509507WarmR1.0509.000 FencingOutLivestock T1R4252252WarmEII2.5100.800FencingOutLivestock T1A358356WarmEII2.5143.200FencingOutLivestock T1B275276WarmEII2.5110.000FencingOutLivestock T1C307307WarmEII2.5122.800FencingOutLivestock PondRemoval,FencingOut T21,0101,006WarmR1.01,010.000 Livestock FullChannelRestoration, T3R11,0531,041WarmR1.01,053.000 FencingOutLivestock T3R26161WarmP10.06.100ConservationEasement FordCrossing,FencingOut T4R1206206WarmEII2.582.400 Livestock BankStabilization,Fencing T4R2398399WarmEII2.5159.200 OutLivestock CulvertCrossing, T4R31,5091,510WarmP10.0150.900 ConservationEasement T5R1670642WarmEII2.5268.000BankStabilization SassarixaSwampMitigationSite MonitoringYear2AnnualReportFinal11 FullChannelRestoration, T5R2885874WarmR1.0885.000 FencingOutLivestock CulvertCrossing,Bank T5R3965961WarmEII4.0241.250 Stabilization BankStabilization,Fencing T5A1,0261,018WarmEII2.5410.400 OutLivestock T5B580580WarmEII2.5232.000FencingOutLivestock 1 T5C588588WarmEII2.5235.200FencingOutLivestock FullChannelRestoration, T6R1381383WarmR1.0381.000 FencingOutLivestock CulvertCrossing,Bank T6R21,0351,037WarmEII2.5414.000Stabilization.FencingOut Livestock Total:8,618.650 1.T5CCreditedusingtheHeadwaterStreamguidancemethodofthevalleylength. Stream RestorationLevel WarmCoolCold Restoration4,662.000 EnhancementI EnhancementII3,799.650 Preservation157.000 Totals8,618.650 TotalStreamCredit8,618.650 1.2 ProjectGoalsandObjectives Theprojectisintendedtoprovidenumerousecologicalbenefits.Table2belowdescribesexpected outcomestowaterqualityandecologicalprocessesandprovidesprojectgoalsandobjectives. Table2:Goals,PerformanceCriteria,andFunctionalImprovements Cumulative LikelyFunctionalPerformance GoalObjective/TreatmentMeasurementMonitoring UpliftCriteria Results Crosssection Nodeviations be ERstaysover2.2monitoringwill Constructstreamfromdesign. ReducesedimentandBHRbelowassessedduring ImprovethechannelsthatwillSupplementallive inputsfrombank1.2withvisualMY1,MY2,MY3, stabilityofmaintainstablecrossstakeswere erosion.ReduceassessmentsMY5,andMY7 streamsections,patterns,installedas shearstressonshowingandvisual channels.andprofilesoverneeded channelboundary.progressioninspectionswill time.throughoutthe towardsstability.beassessed Site. annually. SassarixaSwampMitigationSite MonitoringYear2AnnualReportFinal12 Cumulative LikelyFunctionalPerformance GoalObjective/TreatmentMeasurementMonitoring UpliftCriteria Results InstallhabitatIncreaseand featuressuchasdiversifyavailable constructedriffles,habitatsfor Thereisno lunkerlogs,andbrushmacroinvertebrates, Improverequired toesintofish,and instreamperformanceN/AN/A restored/enhancedamphibiansleading habitat.standardforthis streams.Addwoodytocolonizationand metric. materialstochannelincreasein beds.Constructpoolsbiodiversityover ofvaryingdepth.time. FourbankfullBankfullevents Reconnecteventsindocumentedon Reconstructstream channelsseparateyearsallreachesexcept channelswithCrestgauges withAllowmorewithinT2duringMY2. designedbankfulland/orpressure floodplainsfrequentfloodmonitoringGreaterthan30 dimensionsanddepthtransducers toallowaflowstodisperseonperiod.consecutivedays basedonreferencerecordingflow naturalthefloodplain.30consecutiveofflowrecorded reachdata.Removeelevations. floodingdaysofflowforonallintermittent pondaboveT2. regime.intermittentstreamsduring channels.MY2. ReducesedimentSurvivalrateof9outof11 Onehundred inputsfrombank320stemspervegetationplots squaremeter Restoreand erosionandrunoff.acreatMY3,260haveaplanted Plantnativetreeandvegetationplots enhanceIncreasenutrientplantedstemsstemdensity understoryspeciesinareplacedon2% nativecyclingandstorageperacreatMY5,greaterthan320 planted riparianzonesandofthe floodplaininfloodplain.and210stemsstemsperacre. plantnativeshrubandareaoftheSite andProvideriparianperacreatMY7.Therewillbea herbaceousspeciesandmonitored streambankhabitat.AddaHeightsmall onstreambanks.duringMY1,MY2, vegetation.sourceofLWDandrequirementis7supplemental MY3,MY5,and materialto organicfeetatMY5andplantinginthe MY7. stream.10feetatMY7.winterof2023. PermanentlyProtecttheSiteVisuallyinspect protectthefromencroachmenttheperimeterof EstablishconservationPreventNocattle projectSiteontheripariantheSitetoensure easementsontheeasementencroachment fromcorridoranddirectnoeasement Site.encroachment.sinceJuly2021. harmfulimpacttostreamsencroachmentis uses.andwetlands.occurring. 1.3 ProjectAttributes Theprojectincludesseveraladjacentpropertiesthathavebeenownedandoperatedasalivestockfarm byasinglefamilysince1850,wherelivestockwerecontinuallyrotatedthroughallfieldswithaccessto theprojectstreams.Basedonaerialphotosfrom1950to2012onsitestreamshaveexistedintheir approximatelocationswithverylittlechangetoriparianbufferextentssince1950.Twoalterationsto theSitevisiblefromhistoricalaerialphotographyweretheadditionofthepondonT2between1964 and1973,andtheadditionofthelargepondbelowT5A,T5B,andT5Cbetween1950and1961. Accordingtothelandowners,intheЊВЏЉ͸ƭandearlyЊВАЉ͸ƭahogyardwaslocatedattheupstreamend ofT4andT5,wherethestreamsweredivertedtomakeahogwallowarea.Thehogsweremovedtoa hoghouseintheearlyЊВАЉ͸ƭͲhowevergoats,horses,andcattlehadcontinuousaccesstothisportionof thesiteuntilHurricaneMatthewstruckinSeptember2016.Thefloodsfromthestormdestroyedmuch SassarixaSwampMitigationSite MonitoringYear2AnnualReportFinal13 ofthefencingaroundT4andT5andlivestockhavebeenrotatedinotherfieldssincethattimewhile fencingwasbeingrepaired.Otherportionsofthesitehadnotseensignificantchangesinlandusewith livestockorcroprotationsfromexistingactivities.Table3belowandTable9in AppendixCpresent additionalinformationonprerestorationconditions. Table3:ProjectAttributes PROJECTINFORMATION SassarixaSwamp ProjectNameCountyJohnstonCounty MitigationSite ProjectArea(acres)65.06ProjectCoordinates 35.472153,78.436000 PROJECTWATERSHEDSUMMARYINFORMATION PhysiographicProvinceRollingCoastalPlainRiverBasinNeuseRiver USGSHUC8digit03020201USGSHUC14digit03020201130030 66%agriculture,27% DWRSubbasin030404LandUseClassification forested,7%developed ProjectDrainageArea(acres)5,024PercentageofImperviousArea0.9% RESTORATIONTRIBUTARYSUMMARYINFORMATION T5T6 ParametersT1T2T3 2,5441,342 Preprojectlength(feet)2,2023481,098 2,5531,451 Postproject(feet)2,1551,0101,114 Valleyconfinement(Confined,moderatelyconfined, UnconfinedModeratelyConfinedtoUnconfined unconfined) 41.2538.25 Drainagearea(acres)452526 Perennial,Intermittent,EphemeralIntermittentPerennial B,NSW DWRWaterQualityClassificationC,NSW E5G5/E5 DominantStreamClassification(existing)G5G5B5/G5 C5/E5C5/E5 DominantStreamClassification(proposed)C5b/E5bC5b/E5bC5b/E5b StageIIIStageIV DominantEvolutionaryclass(Simon)ifapplicableStageIIIStageIV REGULATORYCONSIDERATIONS ParametersApplicable?Resolved?SupportingDocumentation USACENationwidePermitNo.27 WateroftheUnitedStatesSection404YesYes andDWQ401WaterQuality WateroftheUnitedStatesSection401YesYes CertificationNo.4134. EndangeredSpeciesActYesYes CategoricalExclusioninMitigation Plan(Wildlands,2019) HistoricPreservationActYesYes CoastalZoneManagementAct(CZMAorCAMA)N/AN/AN/A EssentialFisheriesHabitatN/AN/AN/A SassarixaSwampMitigationSite MonitoringYear2AnnualReportFinal14 Section2: MonitoringYear2DataAssessment AnnualmonitoringandsitevisitswereconductedduringMY2toassesstheconditionoftheproject.The vegetationandstreamsuccesscriteriafortheSitefollowtheapprovedsuccesscriteriapresentedinthe MitigationPlan(Wildlands,2019).Performancecriteriaforvegetation,stream,andhydrologic assessmentarelocatedinSection1.2Table2:Goals,PerformanceCriteria,andFunctional Improvements.MethodologyforannualmonitoringispresentedintheMY0AnnualReport(Wildlands, 2021). 2.1 VegetativeAssessment TheMY2vegetativesurveywascompletedinSeptember2022.Vegetationmonitoringresultedinastem densityrangeof162to567plantedstemsperacreandaveragestemdensitywas441plantedstemsper acre.Outoftheelevenvegetationplots,ninemettheinterimsuccesscriteriaof320stemsperacres, whileVegetationPlot1and2have162and283stemsperacres,respectively.Mortalityiscontributed tocompetitionfromdenseherbaceousgrassandadryspringwhenthetreeswhereoriginallyplantedin 2021.RefertoAppendixAforVegetationPlotPhotographsandtheVegetationConditionAssessment TableandAppendixBforVegetationPlotData. Therewereasignificantnumberofmaturehardwoodtreesthatwereleftuntouchedfromconstruction. AvisualsiteassessmentinSeptember2022indicatedthatsomematuretreesarestartingtodecline afterconstruction.PlantedtreesandvolunteerspeciesaregrowingthroughouttheSiteandstartingto fillinanunderstorythatwilleventuallybecomeamaturehardwoodforest. 2.2 VegetationAreasofConcernandManagement AsupplementalplantingoccurredintheSassarixaSwampIIMitigationBankeasementalongUT6in February2022.Afterplantingwascomplete,Wildlandsrealizedtheplantingoverextendedintothe SassarixaSwampMitigationSiteeasementby0.22acres.Thesupplementallyplantedspecieswerethe samefromtheapprovedMitigationPlan. A0.55acresofreplantingwilloccurinthewinterof2022/2023tosupplementthetreemortalitythat wasassessedalongT1(Figure1a).Thisareaandanynewspeciesnotincludedintheapproved MitigationPlan(Wildlands,2019)iscurrentlyunderreviewbytheIRT. AfollowupinvasivetreatmentoccurredinMarch2022alongthe11.99acres(Figure1a)alongthelower halfofSassasrixaCreektotreattheChineseprivet(Ligustrumsinense)thatresproutedfromthe originallytreatmentduringconstruction.Acombinationofmethodsincludedfoliarandcutstump applications.TheSitewillcontinuetobemonitoredforinvasivespeciesandfollowuptreatmentswill occurifnecessary. Kudzu(Puerariamontana)hasbeenestablishedoutsideoftheSitealongthefarmpathleadingupto T5a(Figure1c).AsapreventativemeasuretoensureKudzudoesnotbecomeestablishedonSite, WildlandsreceivedpermissionfromthelandownertotreattheKudzualongthefarmpathinJuly2022. Followuptreatmentswillbescheduledintheupcomingyears. 2.3 StreamAssessment MorphologicalsurveysforMY2wereconductedinMarch2022.AllstreamswithintheSitearestable andfunctioningasdesigned.All10crosssectionsattheSiteshowlittletonochangeinthebankfullarea andwidthtodepthratio,andbankheightratiosarelessthan1.2.RefertoAppendixAfortheVisual SassarixaSwampMitigationSite MonitoringYear2AnnualReportFinal21 StreamMorphologyStabilityAssessmentTableandStreamPhotographs.RefertoAppendixCforStream GeomorphologyData. 2.4 StreamAreasofConcernandManagement SupplementallivestakeswereinstalledinMarch2022asneededonrestorationreachesthroughoutthe Sitetoprovideadditionalshadeandbankprotection. 2.5 HydrologyAssessment BytheendofMY7,fourbankfulleventsmusthaveoccurredinseparateyearswithintherestoration reaches.AtleastonebankfulleventwasrecordedonallstreamrestorationreachesexceptT2.The hydrologicsuccesscriterionforbankfulleventshasbeenpartiallymetinMY2. Inaddition,thepresenceofbaseflowmustbedocumentedonrestoredintermittentreaches(T1Reach 2,T2andT3Reach1)foraminimumof30consecutivedaysduringanormalprecipitationyear.In streamflowgaugesequippedwithpressuretransducerswereinstalledtomonitorcontinuityof baseflow.AllintermittentreachesinMY2exceededbaseflowsuccesscriteria.Themaximum consecutivedaysrangedfrom63daysto87days.RefertoAppendix5forhydrologicdata. 2.6 WetlandAssessment OnegroundwatergaugewasinstalledandmonitoredwithinanexistingwetlandzonealongT3ata locationrequestedbyNorthCarolinaDivisionofWaterResources.Thepurposeofthegaugeistoassess potentialeffectstowetlandhydrologyfromtheconstructionoftherestoredstreamchannelthrough thisarea.Theresultsofthismonitoringarenottiedtoanysuccesscriteria.Resultsfromthe groundwatergauge,duringMY2,showthattheexistingwetlandmaintainedfreegroundwaterwithin12 inchesofthegroundsurfacefor36.8%ofthedefinedgrowingseason(March1toNovember16). 2.7 MonitoringYear2Summary Overall,theSitehasmetthesuccesscriteriaforMY2.Nineoutofelevenvegplotsareontracktomeet theMY3interimsuccesscriteria.Asupplementalplantingisplannedforthewinterof2022/2023to accommodatefortreemortalityalongT1.TheSassarixaSwampIIeasementwasreplantedinFebruary 2022.Whilereplanting,theboundaryexpandedbeyondoriginallyoutlinedandextendedintotheDMS portionoftheeasement.Somematuretreesthatwereavoidedduringconstructionarestartingto decline,howeveranewunderstorylayeriscomingin.AfollowuptreatmentoftheChineseprivet resproutsalongSassarixaCreekandadditionallivestakeswereinstalledthroughoutrestorationreaches inMarch2022.Asapreventativemeasure,KudzuwastreatedoutsidetheeasementinJuly2022. BankfulleventsweredocumentedonallstreamrestorationreachesexceptT2,partiallyfulfillingthe finalbankfullhydrologicsuccessrequirement.Greaterthan30daysofconsecutiveflowwererecorded onmonitoredintermittentstreamreachesT1Reach2,T2,andT3Reach1fulfillingMY2success requirement.Overall,theSiteismeetingitsgoalsofpreventingexcessnutrientsandsedimentfrom enteringtheNeuseRivertributariesandisontracktomeetfinalsuccesscriteria. Summaryinformationanddatarelatedtotheperformanceofvariousprojectandmonitoringelements canbefoundinthetablesandfiguresinthereportappendices.Allrawdatasupportingthetablesand figuresintheappendicesareavailablefromDMSuponrequest. SassarixaSwampMitigationSite MonitoringYear2AnnualReportFinal22 Section3: REFERENCES Breeding,R.2010.NeuseRiverBasinRestorationPriorities2010.NCEEP,NC Doll,B.A.,Grabow,G.L.,Hall,K.A.,Halley,J.,Harman,W.A.,Jennings,G.D.,andWise,D.E.2003.Stream RestorationANaturalChannelDesignHandbook. Harrelson,C.C.,Rawlins,C.L.,Potyondy,J.P.1994.StreamChannelReferenceSites:AnIllustratedGuide toFieldTechnique.Gen.Tech.Rep.RM245.FortCollins,CO:U.S.DepartmentofAgriculture,Forest Service,RockyMountainForestandRangeExperimentStation.61p. Rosgen,D.L.1994.Aclassificationofnaturalrivers.Catena 22:169199. Rosgen,D.L.1996.AppliedRiverMorphology.PagosaSprings,CO:WildlandHydrologyBooks. Rosgen,D.L.1997.AGeomorphologicalApproachtoRestorationofIncisedRivers.Proceedingsofthe ConferenceonManagementofLandscapesDisturbedbyChannelIncision.CenterFor ComputationalHydroscienceandBioengineering,OxfordCampus,UniversityofMississippi,Pages 1222. NorthCarolinaDivisionofWaterResources(DWR).2015.Neuse01CUUpdate.RiverBasinRestoration PrioritiesTransitionApproach. NorthCarolinaInteragencyReviewTeam(NCIRT).2016.WilmingtonDistrictStreamandWetland CompensatoryMitigationUpdate.Accessedat:https://saw reg.usace.army.mil/PN/2016/WilmingtonDistrictMitigationUpdate.pdf UnitedStatesArmyCorpsofEngineers.2003.StreamMitigationGuidelines.USACE,NCDENRDWQ, USEPA,NCWRC. UnitedStatesGeologicalSurvey.1998.NorthCarolinaGeology. WildlandsEngineering,Inc.(2019).SassarixaSwampMitigationProjectMitigationPlan.DMS,Raleigh, NC. SassarixaSwampMitigationSite MonitoringYear2AnnualReportFinal31 Table 4. Visual Stream Morphology Stability Assessment Table Sassarixa Swamp Mitigation Site DMS Project No. 100040 Monitoring Year 2 - 2022 T1 R2 Number Total Amount of % Stable, Stable, Major Channel CategoryMetricNumber in Unstable Performing as Performing As-builtFootageIntended as Intended 810 Assessed Stream Length 1,620 Assessed Bank Length Surface Scour/Bank lacking vegetative cover resulting simply from 0100% Bare Bank poor growth and/or surface scour. Bank toe eroding to the extent that bank failure appears likely. Does NOT include undercuts that are Bank Toe Erosion 0100% modest, appear sustainable and are providing habitat. Fluvial and geotechnical - rotational, slumping, Bank Failure 0100% calving, or collapse. Totals: 0100% Grade control structures exhibiting maintenance of Grade Control 00N/A grade across the sill. Structure Bank erosion within the structures extent of Bank Protection 2727100% influence does not exceed 15%. T1 R3 Number Total Amount of % Stable, Stable, Major Channel CategoryMetricNumber in Unstable Performing as Performing As-builtFootageIntended as Intended 507 Assessed Stream Length 1,014 Assessed Bank Length Surface Scour/Bank lacking vegetative cover resulting simply from 0100% Bare Bank poor growth and/or surface scour. Bank toe eroding to the extent that bank failure appears likely. Does NOT include undercuts that are Bank Toe Erosion 0100% modest, appear sustainable and are providing habitat. Fluvial and geotechnical - rotational, slumping, Bank Failure 0100% calving, or collapse. Totals:0100% Grade control structures exhibiting maintenance of Grade Control 00N/A grade across the sill. Structure Bank erosion within the structures extent of Bank Protection 1414100% influence does not exceed 15%. Table 4. Visual Stream Morphology Stability Assessment Table Sassarixa Swamp Mitigation Site DMS Project No. 100040 Monitoring Year 2 - 2022 T2 Number Total Amount of % Stable, Stable, Major Channel CategoryMetricNumber in Unstable Performing as Performing As-builtFootageIntended as Intended 1,006 Assessed Stream Length 2,012 Assessed Bank Length Surface Scour/Bank lacking vegetative cover resulting simply from 0100% Bare Bank poor growth and/or surface scour. Bank toe eroding to the extent that bank failure appears likely. Does NOT include undercuts that are Bank Toe Erosion 0100% modest, appear sustainable and are providing habitat. Fluvial and geotechnical - rotational, slumping, Bank Failure 0100% calving, or collapse. Totals: 0100% Grade control structures exhibiting maintenance of Grade Control 3434100% grade across the sill. Structure Bank erosion within the structures extent of Bank Protection 1818100% influence does not exceed 15%. T3 R1 Number Total Amount of % Stable, Stable, Major Channel CategoryMetricNumber in Unstable Performing as Performing As-builtFootageIntended as Intended 1,041 Assessed Stream Length 2,082 Assessed Bank Length Surface Scour/Bank lacking vegetative cover resulting simply from 0100% Bare Bank poor growth and/or surface scour. Bank toe eroding to the extent that bank failure appears likely. Does NOT include undercuts that are Bank Toe Erosion 0100% modest, appear sustainable and are providing habitat. Fluvial and geotechnical - rotational, slumping, Bank Failure 0100% calving, or collapse. Totals:0100% Grade control structures exhibiting maintenance of Grade Control 00N/A grade across the sill. Structure Bank erosion within the structures extent of Bank Protection 3030100% influence does not exceed 15%. Table 4. Visual Stream Morphology Stability Assessment Table Sassarixa Swamp Mitigation Site DMS Project No. 100040 Monitoring Year 2 - 2022 T5 R2 Number Total Amount of % Stable, Stable, Major Channel CategoryMetricNumber in Unstable Performing as Performing As-builtFootageIntended as Intended 874 Assessed Stream Length 1,748 Assessed Bank Length Surface Scour/Bank lacking vegetative cover resulting simply from 0100% Bare Bank poor growth and/or surface scour. Bank toe eroding to the extent that bank failure appears likely. Does NOT include undercuts that are Bank Toe Erosion 0100% modest, appear sustainable and are providing habitat. Fluvial and geotechnical - rotational, slumping, Bank Failure 0100% calving, or collapse. Totals: 0100% Grade control structures exhibiting maintenance of Grade Control 00N/A grade across the sill. Structure Bank erosion within the structures extent of Bank Protection 2020100% influence does not exceed 15%. T6 R1 Number Total Amount of % Stable, Stable, Major Channel CategoryMetricNumber in Unstable Performing as Performing As-builtFootageIntended as Intended 383 Assessed Stream Length 766 Assessed Bank Length Surface Scour/Bank lacking vegetative cover resulting simply from 0100% Bare Bank poor growth and/or surface scour. Bank toe eroding to the extent that bank failure appears likely. Does NOT include undercuts that are Bank Toe Erosion 0100% modest, appear sustainable and are providing habitat. Fluvial and geotechnical - rotational, slumping, Bank Failure 0100% calving, or collapse. Totals:0100% Grade control structures exhibiting maintenance of Grade Control 00N/A grade across the sill. Structure Bank erosion within the structures extent of Bank Protection 55100% influence does not exceed 15%. STREAMPHOTOGRAPHS PHOTOPOINT1T1R1Αupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT1T1R1Αdownstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT2T1R2Αupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT2T1R2Αdownstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT3T1R2Αupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT3T1R2Αdownstream ΛЍΉБΉЋЉЋЋΜ SassarixaSwampMitigationSite AppendixA:VisualAssessmentDataΑStreamPhotographs PHOTOPOINT4T1R2Αupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT4T1R2Αdownstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT5T1R3Αupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT5T1R3Αdownstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT6T1R3Αupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT6T1R3Αdownstream ΛЍΉБΉЋЉЋЋΜ SassarixaSwampMitigationSite AppendixA:VisualAssessmentDataΑStreamPhotographs PHOTOPOINT7T1R3Αupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT7T1R4Αdownstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT8T1R4Αupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT8T1R4Αdownstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT9T1AΑupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT9T1AΑdownstream ΛЍΉБΉЋЉЋЋΜ SassarixaSwampMitigationSite AppendixA:VisualAssessmentDataΑStreamPhotographs PHOTOPOINT10T1BΑupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT10T1BΑdownstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT11T1BΑupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT11T1BΑdownstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT12T1CΑupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT12T1CΑdownstream ΛЍΉБΉЋЉЋЋΜ SassarixaSwampMitigationSite AppendixA:VisualAssessmentDataΑStreamPhotographs PHOTOPOINT13SassarixaCreekR2Αupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT13SassarixaCreekR2Αdownstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT14SassarixaCreekR2Αupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT14SassarixaCreekR2Αdownstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT15SassarixaCreekR2Αupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT15SassarixaCreekR2Αdownstream ΛЍΉБΉЋЉЋЋΜ SassarixaSwampMitigationSite AppendixA:VisualAssessmentDataΑStreamPhotographs PHOTOPOINT16SassarixaCreekR2Αupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT16SassarixaCreekR2Αdownstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT17SassarixaCreekR3Αupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT17SassarixaCreekR3Αdownstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT18SassarixaCreekR3Αupstream ΛЍΉЋЎΉЋЉЋЋΜ PHOTOPOINT18SassarixaCreekR3Αdownstream ΛЍΉЋЎΉЋЉЋЋΜ SassarixaSwampMitigationSite AppendixA:VisualAssessmentDataΑStreamPhotographs PHOTOPOINT19T2Αupstream ΛБΉЌΉЋЉЋЋΜ PHOTOPOINT19T2Αdownstream ΛБΉЌΉЋЉЋЋΜ PHOTOPOINT20T2Αupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT20T2Αdownstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT21T2Αupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT21T2Αdownstream ΛЍΉБΉЋЉЋЋΜ SassarixaSwampMitigationSite AppendixA:VisualAssessmentDataΑStreamPhotographs PHOTOPOINT22T2Αupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT22T2Αdownstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT23T2Αupstream ΛБΉЌΉЋЉЋЋΜ PHOTOPOINT23T2Αdownstream ΛБΉЌΉЋЉЋЋΜ PHOTOPOINT24T3R1Αupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT24T3R1Αdownstream ΛЍΉБΉЋЉЋЋΜ SassarixaSwampMitigationSite AppendixA:VisualAssessmentDataΑStreamPhotographs PHOTOPOINT25T3R1Αupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT25T3R1Αdownstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT26T3R1Αupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT26T3R1Αdownstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT27T3R1Αupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT27T3R1Αdownstream ΛЍΉБΉЋЉЋЋΜ SassarixaSwampMitigationSite AppendixA:VisualAssessmentDataΑStreamPhotographs PHOTOPOINT28T3R1Αupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT28T3R1Αdownstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT29T3R2Αupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT29T3R2Αdownstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT30T4R1Αupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT30T4R1Αdownstream ΛЍΉБΉЋЉЋЋΜ SassarixaSwampMitigationSite AppendixA:VisualAssessmentDataΑStreamPhotographs PHOTOPOINT31T4R2Αupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT31T4R2Αdownstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT32T4R3Αupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT32T4R3Αdownstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT33T4R3Αupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT33T4R3Αdownstream ΛЍΉБΉЋЉЋЋΜ SassarixaSwampMitigationSite AppendixA:VisualAssessmentDataΑStreamPhotographs PHOTOPOINT34T4R3Αupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT34T4R3Αdownstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT35T5R1Αupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT35T5R1Αdownstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT36T5R1Αupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT36T5R1Αdownstream ΛЍΉБΉЋЉЋЋΜ SassarixaSwampMitigationSite AppendixA:VisualAssessmentDataΑStreamPhotographs PHOTOPOINT37T5R2Αupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT37T5R2Αdownstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT38T5R2Αupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT38T5R2Αdownstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT39T5R2Αupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT39T5R2Αdownstream ΛЍΉБΉЋЉЋЋΜ SassarixaSwampMitigationSite AppendixA:VisualAssessmentDataΑStreamPhotographs PHOTOPOINT40T5R2Αupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT40T5R3Αdownstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT41T5R3Αupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT41T5R3Αdownstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT42T5R3Αupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT42T5R3Αdownstream ΛЍΉБΉЋЉЋЋΜ SassarixaSwampMitigationSite AppendixA:VisualAssessmentDataΑStreamPhotographs PHOTOPOINT43T5R3Αupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT43T5R3Αdownstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT44T5AΑupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT44T5AΑdownstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT45T5AΑupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT45T5AΑdownstream ΛЍΉБΉЋЉЋЋΜ SassarixaSwampMitigationSite AppendixA:VisualAssessmentDataΑStreamPhotographs PHOTOPOINT46T5BΑupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT46T5BΑdownstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT47T5BΑupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT47T5BΑdownstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT48T5CΑupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT48T5CΑdownstream ΛЍΉБΉЋЉЋЋΜ SassarixaSwampMitigationSite AppendixA:VisualAssessmentDataΑStreamPhotographs PHOTOPOINT49T5CΑupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT49T5CΑdownstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT50T6R1Αupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT50T6R1Αdownstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT51T6R2Αupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT51T6R2Αdownstream ΛЍΉБΉЋЉЋЋΜ SassarixaSwampMitigationSite AppendixA:VisualAssessmentDataΑStreamPhotographs PHOTOPOINT52T6R2Αupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT52T6R2Αdownstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT53T6R2Αupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT53T6R2Αdownstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT54T6R2Αupstream ΛЍΉБΉЋЉЋЋΜ PHOTOPOINT54T6R2Αdownstream ΛЍΉБΉЋЉЋЋΜ SassarixaSwampMitigationSite AppendixA:VisualAssessmentDataΑStreamPhotographs CrossSectionPlots MY0MY1MY2MY3MY5MY7 BankfullElevationBased 149.35149.41149.28 onABBankfullArea BankHeightRatioBased 1.000.931.03 onABBankfullArea 148.45 ThalwegElevation148.62148.34 149.35 LTOBElevation149.36149.31 0.90 LTOBMaxDepth0.740.97 2.47 LTOBCrossSectionalArea2.162.63 Downstream(03/04/2022) SassarixaSwampMitigationSite AppendixC:StreamGeomorphologyDataΑCrossSectionPlots MY0MY1MY2MY3MY5MY7 BankfullElevationBased N/AN/AN/A onABBankfullArea BankHeightRatioBased N/AN/AN/A onABBankfullArea 147.78 ThalwegElevation147.58147.67 148.82 LTOBElevation148.77148.83 1.04 LTOBMaxDepth1.191.16 3.20 LTOBCrossSectionalArea2.842.91 Downstream(03/04/2022) SassarixaSwampMitigationSite AppendixC:StreamGeomorphologyDataΑCrossSectionPlots MY0MY1MY2MY3MY5MY7 BankfullElevationBased 130.69130.77130.75 onABBankfullArea BankHeightRatioBased 1.000.910.94 onABBankfullArea 130.04 ThalwegElevation130.24130.12 130.69 LTOBElevation130.72130.71 0.64 LTOBMaxDepth0.480.59 1.67 LTOBCrossSectionalArea1.451.50 Downstream(03/04/2022) SassarixaSwampMitigationSite AppendixC:StreamGeomorphologyDataΑCrossSectionPlots MY0MY1MY2MY3MY5MY7 BankfullElevationBased 141.46141.52141.49 onABBankfullArea BankHeightRatioBased 1.000.940.95 onABBankfullArea 140.66 ThalwegElevation140.78140.77 141.46 LTOBElevation141.47141.46 0.80 LTOBMaxDepth0.690.69 1.99 LTOBCrossSectionalArea1.761.80 Downstream(03/04/2022) SassarixaSwampMitigationSite AppendixC:StreamGeomorphologyDataΑCrossSectionPlots MY0MY1MY2MY3MY5MY7 BankfullElevationBased N/AN/AN/A onABBankfullArea BankHeightRatioBased N/AN/AN/A onABBankfullArea 139.53 ThalwegElevation139.50139.51 141.12 LTOBElevation141.10141.07 1.58 LTOBMaxDepth1.601.56 4.88 LTOBCrossSectionalArea4.824.57 Downstream(03/04/2022) SassarixaSwampMitigationSite AppendixC:StreamGeomorphologyDataΑCrossSectionPlots MY0MY1MY2MY3MY5MY7 BankfullElevationBased N/AN/AN/A onABBankfullArea BankHeightRatioBased N/AN/AN/A onABBankfullArea 126.70 ThalwegElevation127.32127.31 128.16 LTOBElevation128.35128.31 1.46 LTOBMaxDepth1.031.00 3.25 LTOBCrossSectionalArea2.572.40 Downstream(03/04/2022) SassarixaSwampMitigationSite AppendixC:StreamGeomorphologyDataΑCrossSectionPlots MY0MY1MY2MY3MY5MY7 BankfullElevationBased 127.58127.56127.54 onABBankfullArea BankHeightRatioBased 1.001.101.09 onABBankfullArea 127.06 ThalwegElevation126.89126.89 127.58 LTOBElevation127.63127.59 0.52 LTOBMaxDepth0.740.70 1.50 LTOBCrossSectionalArea1.821.77 Downstream(03/04/2022) SassarixaSwampMitigationSite AppendixC:StreamGeomorphologyDataΑCrossSectionPlots MY0MY1MY2MY3MY5MY7 BankfullElevationBased 133.06133.12133.08 onABBankfullArea BankHeightRatioBased 1.000.851.02 onABBankfullArea 132.36 ThalwegElevation132.42132.40 133.06 LTOBElevation133.02133.10 0.70 LTOBMaxDepth0.600.70 2.49 LTOBCrossSectionalArea1.952.60 Downstream(03/04/2022) SassarixaSwampMitigationSite AppendixC:StreamGeomorphologyDataΑCrossSectionPlots MY0MY1MY2MY3MY5MY7 BankfullElevationBased N/AN/AN/A onABBankfullArea BankHeightRatioBased N/AN/AN/A onABBankfullArea 131.03 ThalwegElevation131.50131.69 132.53 LTOBElevation132.46132.55 1.50 LTOBMaxDepth0.960.86 6.97 LTOBCrossSectionalArea3.864.66 Downstream(03/04/2022) SassarixaSwampMitigationSite AppendixC:StreamGeomorphologyDataΑCrossSectionPlots MY0MY1MY2MY3MY5MY7 BankfullElevationBased 156.43156.50156.48 onABBankfullArea BankHeightRatioBased 1.000.880.96 onABBankfullArea 155.62 ThalwegElevation155.69155.67 156.43 LTOBElevation156.40156.45 0.81 LTOBMaxDepth0.710.78 2.69 LTOBCrossSectionalArea2.202.51 Downstream(03/04/2022) SassarixaSwampMitigationSite AppendixC:StreamGeomorphologyDataΑCrossSectionPlots Table8.BaselineStreamDataSummary SassarixaSwampMitigationSite DMSProjectNo.100040 MonitoringYear22022 PREEXISTINGMONITORINGBASELINE DESIGN (MY0) CONDITIONS T1R2 Parameter RiffleOnlyMinMaxnMinMaxMinMaxn 3.43.65.2 BankfullWidth(ft)11 8>7.9200 FloodproneWidth(ft)11 10.30.4 BankfullMeanDepth11 0.70.9 BankfullMaxDepth10.40.51 2 2.51.22.5 11 BankfullCrossSectionalArea(ft) 4.911.011.0 Width/DepthRatio11 2.2>2.234.6 EntrenchmentRatio11 3.01.0 BankHeightRatio11.01.21 Maxpartsize(mm)mobilizedatbankfull G5C5b/E5bC5b/E5b RosgenClassification 8.83.09.0 BankfullDischarge(cfs) 1.201.201.20 Sinuosity 2 0.0322 0.01900.030020.02500.0410 WaterSurfaceSlope(ft/ft) Other T1R3 Parameter RiffleOnlyMinMaxnMinMaxMinMaxn 3.44.24.3 BankfullWidth(ft)11 8>9.290 FloodproneWidth(ft)11 10.40.4 BankfullMeanDepth11 0.70.6 BankfullMaxDepth10.40.61 2 2.51.51.7 11 BankfullCrossSectionalArea(ft ) 4.912.011.1 Width/DepthRatio11 2.2>2.221.9 EntrenchmentRatio11 3.01.0 BankHeightRatio11.01.21 Maxpartsize(mm)mobilizedatbankfull G5C5/E5C5/E5 RosgenClassification 8.83.54.3 BankfullDischarge(cfs) 1.201.201.20 Sinuosity 2 0.0181 0.01900.030020.00920.0250 WaterSurfaceSlope(ft/ft) Other Table8.BaselineStreamDataSummary SassarixaSwampMitigationSite DMSProjectNo.100040 MonitoringYear22022 PREEXISTINGMONITORINGBASELINE DESIGN CONDITIONS(MY0) T2 Parameter RiffleOnlyMinMaxnMinMaxMinMaxn 34.25.6 BankfullWidth(ft)11 4>9.275 FloodproneWidth(ft)11 0.50.40.4 BankfullMeanDepth11 0.60.50.8 BankfullMaxDepth11 2 1.51.52.0 11 BankfullCrossSectionalArea(ft) 612.015.7 Width/DepthRatio11 1.2>2.213.4 EntrenchmentRatio11 6.51.0 BankHeightRatio11.01.21 Maxpartsize(mm)mobilizedatbankfull G5C5b/E5bC5b/E5b RosgenClassification 5.42.04.3 BankfullDischarge(cfs) 1.141.401.40 Sinuosity 2 0.02900.0147 10.00510.0064 WaterSurfaceSlope(ft/ft) Other T3R1 Parameter RiffleOnlyMinMaxnMinMaxMinMaxn 3.64.7 BankfullWidth(ft)3.24.221 >7.935 FloodproneWidth(ft)52421 0.30.3 BankfullMeanDepth0.420.521 0.5 BankfullMaxDepth0.70.5620.40.51 2 1.71.01.5 21 BankfullCrossSectionalArea(ft ) 12.014.8 Width/DepthRatio6.41021 >2.27.4 EntrenchmentRatio1.17.121 1.0 BankHeightRatio2.77.021.01.21 Maxpartsize(mm)mobilizedatbankfull B5/G5C5/E5bC5/E5b RosgenClassification 2.54.5 BankfullDischarge(cfs)6.26.92 1.161.201.20 Sinuosity 2 0.03400.0312 10.02800.0330 WaterSurfaceSlope(ft/ft) Other Table8.BaselineStreamDataSummary SassarixaSwampMitigationSite DMSProjectNo.100040 MonitoringYear22022 PREEXISTINGMONITORINGBASELINE DESIGN CONDITIONS(MY0) T5R2 Parameter RiffleOnlyMinMaxnMinMaxMinMaxn 5.9 BankfullWidth(ft)3.115.61 170 27>11 FloodproneWidth(ft)11 0.4 1.10.5 BankfullMeanDepth11 0.7 1.40.60.8 BankfullMaxDepth11 2 3.52.72.5 11 BankfullCrossSectionalArea(ft) 14.0 2.812.0 Width/DepthRatio11 16.9 8.7>2.2 EntrenchmentRatio11 1.0 1.61.01.2 BankHeightRatio11 Maxpartsize(mm)mobilizedatbankfull E5C5/E5C5/E5 RosgenClassification 10.96.05.4 BankfullDischarge(cfs) 1.201.401.40 Sinuosity 2 0.0111 10.00860.0170 WaterSurfaceSlope(ft/ft)0.0120 Other T6R1 Parameter RiffleOnlyMinMaxnMinMaxMinMaxn 6.0 4.16.4 BankfullWidth(ft)11 90 7>14 FloodproneWidth(ft)11 0.4 1.10.41 BankfullMeanDepth11 0.8 1.50.50.7 BankfullMaxDepth11 2 4.43.32.7 11 BankfullCrossSectionalArea(ft ) 13.3 3.712.0 Width/DepthRatio11 15.1 1.7>2.2 EntrenchmentRatio11 1.0 2.01.01.2 BankHeightRatio11 Maxpartsize(mm)mobilizedatbankfull G5C5/E5C5/E5 RosgenClassification 12.85.55.9 BankfullDischarge(cfs) 1.101.201.20 Sinuosity 2 0.0107 10.00490.0150 WaterSurfaceSlope(ft/ft)0.0086 Other the and elevation (Riffle)(Riffle) 2 48 LTOB the T2 Reach SectionSection T5 between Cross Cross difference The 1.000.851.02 140.66140.79140.77133.06133.12133.08132.36132.42132.40 above. as year each for (Riffle)(Riffle) 3 37 tracked Reach and SectionSection T1 used CrossCross be will 1 1.001.101.09 130.04130.24130.12127.58127.56127.54 127.06126.89126.89 elevation Reach LTOB T3 the below (Riffle) (Pool)(Pool) 1 Area 26 10 Reach SectionSection T6 Section calculation). BHR Cross Cross Cross the in 2 LTOB N/AN/AN/AN/AN/AN/A 1.000.880.96 147.78147.58147.67156.43156.50156.48 126.70127.32127.31155.62155.69155.67 the Reach for T1 elevation. used bankfull elevation depth. years (Pool)(Pool) (Riffle) 2 59 1 max same T2 (The Reach LTOB subsequent SectionSection as Section T5 survey each above CrossCross Cross years adjusting tracked each for for and N/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/A 1.000.931.03N/AN/AN/A1.000.910.941.000.940.95 0.900.740.971.041.191.160.640.480.590.800.690.692.472.162.633.202.842.911.671.451.501.991.761.801.581.601.561.461.031.000.520.740.700.700.600.704.884.824.573.252.572.401.501.821.772.491.952.601.500.9 60.860.810.710.786.973.864.662.692.202.51 MY0MY1MY2MY3MY5MY7MY0MY1MY2MY3MY5MY7MY0MY1MY2MY3MY5MY7MY0MY1MY2MY3MY5MY7MY0MY1MY2MY3MY5MY7MY0MY1MY2MY3MY5MY7MY0MY1MY2MY3MY5MY7MY0MY1MY2MY3MY5MY7MY0MY1MY2MY3MY5MY7MY0MY1MY2MY3MY5MY7 149.35149.41149.28N/AN/AN/A130.69130.77130.75141.46141.52141.49 149.35149.36149.31148.82148.77148.83130.69130.72130.71141.46141.48141.46141.12141.11141.07128.16128.35128.31127.58127.63127.59133.06133.02133.10132.53132.46132.55156.43156.40156.45 ))) basis 222 (ft)(ft)(ft) Summary (ft(ft(ft AreaAreaAreaAreaAreaArea the elevation recroded 111111 as be AreaAreaArea Elevation148.45148.62148.34ElevationElevation139.53139.51139.51ElevationElevation131.03131.50131.69Elevation DepthDepthDepth LTOB 222 area will the BankfullBankfullBankfull BankfullBankfullBankfull MaxMaxMax LTOBLTOBLTOB 222 Monitoring on ABABAB ABABAB Thalweg ThalwegThalweg bankful SectionalSectionalSectional ononon ononon LTOBLTOBLTOB based calculation) built CrossCrossCross Asare 222 BHR BasedBasedBased BasedBasedBased Site the the Morphology LTOBLTOBLTOB These (ft)(ft)(ft)in RatioRatioRatio takes as 2022 depth Mitigation 2 100040 Section (BHR) (same HeightHeightHeight ElevationElevationElevation Max No. Year Ratio and Cross BankBankBank Swamp elevation 9. BankfullBankfullBankfullArea Height Project BankLTOB Table SassarixaDMS Monitoring 12 thalweg