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includedtheBuffaloDistrictoftheU.S.ArmyCorpsofEngineers(COE),theSoilConservationService(SCS),theU.S.GeologicalSurvey(USGS),theNationalOceanicandAtmosphericAdministration(NOAA),theU.S.DepartmentofCivilDefenseandtheFederalDisasterAssistanceAdministration.AgenciescontactedfromtheStateofNewYorkincludedtheNewYorkStateDepartmentofCommerce,theDepartmentofState,theDepartmentofStateCommunityAffairsLibrary,theDepartmentofEnvironmentalConservation(FloodControlSection),theStateLibrary,theDepartmentofTranspor-tationandtheOfficeofDisasterPrepardnessTheOswegoCountyPlanningBoard,theNewYorkPublicLibraryandrepresentativesoftheTownofScribawerealsocontactedforrelatedinformation.TheresultsofthehydrologicanalyseswerecoordinatedwiththeCOE,theUSGS,theSCSandtheNewYorkStateDepartmentofEnvironmentalConservation(NYSDEC).OnSeptember16,1981,theresultsofthestudywerereviewedatthefinalCCOmeetingattendedbyrepresentativesofthestudycontractor,theFEMA,communityofficialsandinterestedcitizens.2~0AREASTUDIED2o1ScopeofStudyThisFloodInsuranceStudycoverstheincorporatedareaoftheTownofScriba,OswegoCounty,NewYork.TheareaofstudyisshownontheVicinityMap(Figure1)~TheLakeOntarioandOswegoRivershorelineswithintheTownofScriba,WineCreek,fzomTownLineRoadtoChurchillRoad,thesegmentofWalkerCreekbetweenStateRoute104andMiddleRoad,LycomingCreek,fzomtheHamletofLycomingtoitsmouthatLakeOntario,CliffRoadCreek,fromthevicinityofConrailtoitsmouthatLakeOntario,LakeviewCzeek,fromLakeviewRoadtoitsmouthatLakeOntario,and300feetoffloodingaffectingScribafromHarborBrookintheCityofOswegoalongthewestcorporateboundarywerestudiedbydetailedmethods.Theareasstudiedbydetailedmethodswereselectedwithprioritygiventoallknownfloodhazardareasandareasofprojecteddevelopmentandproposedconstructionforthenextfiveyears,throughJune1985.AportionofWalkerCreekTributaryfromitsconfluencewithWalkerCreektotheConrailcrossing,a1,000footsegmentofLakeCreekbeginningatthewesternboundaryoftheTownofScriba,theremainderofWineCreekfromtheChurchillRoad-HallRoadintersectiontoDeerRidgeRoad,Deer | includedtheBuffaloDistrictoftheU.S.ArmyCorpsofEngineers(COE),theSoilConservationService(SCS),theU.S.GeologicalSurvey(USGS),theNationalOceanicandAtmosphericAdministration(NOAA),theU.S.DepartmentofCivilDefenseandtheFederalDisasterAssistanceAdministration.AgenciescontactedfromtheStateofNewYorkincludedtheNewYorkStateDepartmentofCommerce,theDepartmentofState,theDepartmentofStateCommunityAffairsLibrary,theDepartmentofEnvironmentalConservation(FloodControlSection),theStateLibrary,theDepartmentofTranspor-tationandtheOfficeofDisasterPrepardnessTheOswegoCountyPlanningBoard,theNewYorkPublicLibraryandrepresentativesoftheTownofScribawerealsocontactedforrelatedinformation.TheresultsofthehydrologicanalyseswerecoordinatedwiththeCOE,theUSGS,theSCSandtheNewYorkStateDepartmentofEnvironmentalConservation(NYSDEC).OnSeptember16,1981,theresultsofthestudywerereviewedatthefinalCCOmeetingattendedbyrepresentativesofthestudycontractor,theFEMA,communityofficialsandinterestedcitizens.2~0AREASTUDIED2o1ScopeofStudyThisFloodInsuranceStudycoverstheincorporatedareaoftheTownofScriba,OswegoCounty,NewYork.TheareaofstudyisshownontheVicinityMap(Figure1)~TheLakeOntarioandOswegoRivershorelineswithintheTownofScriba,WineCreek,fzomTownLineRoadtoChurchillRoad,thesegmentofWalkerCreekbetweenStateRoute104andMiddleRoad,LycomingCreek,fzomtheHamletofLycomingtoitsmouthatLakeOntario,CliffRoadCreek,fromthevicinityofConrailtoitsmouthatLakeOntario,LakeviewCzeek,fromLakeviewRoadtoitsmouthatLakeOntario,and300feetoffloodingaffectingScribafromHarborBrookintheCityofOswegoalongthewestcorporateboundarywerestudiedbydetailedmethods.Theareasstudiedbydetailedmethodswereselectedwithprioritygiventoallknownfloodhazardareasandareasofprojecteddevelopmentandproposedconstructionforthenextfiveyears,throughJune1985.AportionofWalkerCreekTributaryfromitsconfluencewithWalkerCreektotheConrailcrossing,a1,000footsegmentofLakeCreekbeginningatthewesternboundaryoftheTownofScriba,theremainderofWineCreekfromtheChurchillRoad-HallRoadintersectiontoDeerRidgeRoad,Deer | ||
IXICOII,1)''!~aia.)aICVa~b'afLiII(IIkirUskILAZEONTARIO~aPft0'o-.~.'is(i.'jpgC'bSrr~~ar.(WaterI$0Demster~:q",pach.1T6s,q'4"~vV>~i~'iLorrrbCakevi>6c,niOa;,.m(iQb,c3(eFLo4aI~ems">0ablairluu!vorcriaEastLightWastgjeiagXeswggoSNew{~HaCIrItin4Ra'"acribnstaIView4.rOils-ewHava't'+'>rlsasrst4ev)Q(5{vi)qc,rsial(ey9(,'!(..o,'.i:"e/.0~:8leiC-cclb'(i0',VViiig''oarqn4oNortholney(yi\rercP'arimbarnemnge,caHil[eill)alarmi-Hastn)leant4-~eee~jrrinI(eqSeal)nComes~r'laII'8~Flonniclpal~irs5?r~ib0Q$rt69FairltanOuterhero~iiGanby~(e(1!j,'hq,b'4'a'ail'fIIifayenolersCr.ttranbeLiler~b~t,'Ir-Radip~tewerOextville9faralIotytCoeneIraLbaXibaafgF,testingsalaa{bJ'iI'x(,'aJ+'k'l.BOgearor'(r.o!'Iq(,,a.9a'ab~if'~%PIinn)i)Squate'tabICe(i4aIfb--------- ---FEDERALEMERGENCYMANAGEMENTAGENCY0APPAOXIMATESCALK412MI!.ESTOINOFStlHlBA,NY(oswEGoco.)VICINITYMAP | IXICOII,1)''!~aia.)aICVa~b'afLiII(IIkirUskILAZEONTARIO~aPft0'o-.~.'is(i.'jpgC'bSrr~~ar.(WaterI$0Demster~:q",pach.1T6s,q'4"~vV>~i~'iLorrrbCakevi>6c,niOa;,.m(iQb,c3(eFLo4aI~ems">0ablairluu!vorcriaEastLightWastgjeiagXeswggoSNew{~HaCIrItin4Ra'"acribnstaIView4.rOils-ewHava't'+'>rlsasrst4ev)Q(5{vi)qc,rsial(ey9(,'!(..o,'.i:"e/.0~:8leiC-cclb'(i0',VViiig''oarqn4oNortholney(yi\rercP'arimbarnemnge,caHil[eill)alarmi-Hastn)leant4-~eee~jrrinI(eqSeal)nComes~r'laII'8~Flonniclpal~irs5?r~ib0Q$rt69FairltanOuterhero~iiGanby~(e(1!j,'hq,b'4'a'ail'fIIifayenolersCr.ttranbeLiler~b~t,'Ir-Radip~tewerOextville9faralIotytCoeneIraLbaXibaafgF,testingsalaa{bJ'iI'x(,'aJ+'k'l.BOgearor'(r.o!'Iq(,,a.9a'ab~if'~%PIinn)i)Squate'tabICe(i4aIfb----------2----FEDERALEMERGENCYMANAGEMENTAGENCY0APPAOXIMATESCALK412MI!.ESTOINOFStlHlBA,NY(oswEGoco.)VICINITYMAP | ||
RidgeCreekandDeerRidgeCreekTributary,BlackCreekandBlackCreekTributaries7through9,PaddyCreek,PaddyPondTributaxy,CrooksPondTributary,BlackCreek,CrooksCreek,CrooksPond,PaddyPondandportionsofMudPondCreeklocatedwithinScribawerestudiedbyapproximatemethods.Approximatemethodsofanalysiswereusedtostudythoseareashavinglowdevelopmentpotentialandminimalfloodhazardsasidentifiedattheinitiationofthestudy.ThescopeandmethodsofstudywereproposedtoandagreeduponbytheFEMA.202CommunityDescriptionTheTownofScriba,encompassingalandareaof41'squaremiles,islocatedinthenorthwesternsectionofOswegoCounty,NewYork,alongthesouthernshorelineofLakeOntario.Scribaisapproximately28milesnorthoftheCityofSyracuse,NewYork.XtisborderedbytheTownofNewHavenontheeast,theTownofVolneyonthesouthandtheTownofMinettoandtheCityofOswegoonthewest.Zn1970,thepopulationofScribawas3,619,approximately45percentgreaterthanits1960populationof2,489(Reference1).Thisgavethetowna1970populationdensityofapproximately88personspersquaremile(Reference2).TheTownofScribawasincorporatedonApril5,1811,andwasonceaprosperousdairyingarea,althoughitisnowknownforitsextensivevegetableandfruitproduction.WhilemanyofScriba's0residentsworkinthesurroundingregion,severalmajorindustriesprovideemploymentwithinthetown.TheseindustriesincludeanAlcanAluminumPlant,theJ.A.FitzpatrickNuclearPowerPlantandtheNine~lilePointNuclearPowerStation.TheTownofScribalieswithinthegeographicalareaknownastheLakeOntarioPlains,whicharelocatedwithinthegreatergeographical-areacalledtheGreatLakesPlain.TheGreatLakesPlainextendsalongthefulllengthofthenorthernandwesternbordersofNewYorkState,connectingLakeErie,LakeOntarioandtheSt.LawrenceRiver(Reference2).Zntheeast-centralportionofthetown,theterrainisrelativelylevel.Zntheremainderofthetowntheterrainconsistsprimarilyofrollinghillsanddrumlinformations.ElevationswithinScribarangefromalowof246feetattheLakeOntarioshorelinetoahighof515feetjustsouthoftheStateRoute104-DelancyAirport.Roadinter-sectionThelanduseinScribaispredominantlyundeveloped,agricultural,orcomprisedofforest.Smallorchardsarealsolocatedintermittantlythroughthetown.Wetlandsareplentiful,withTealHarshandthewetlandssurroundingBlackCreekthemostsignificant(Reference3).Residentialandcommercialdevelopmenttendstofollowthemaintrafficcorridors-Smallconcentrationsofresidentialdevelopmentarefoundin | RidgeCreekandDeerRidgeCreekTributary,BlackCreekandBlackCreekTributaries7through9,PaddyCreek,PaddyPondTributaxy,CrooksPondTributary,BlackCreek,CrooksCreek,CrooksPond,PaddyPondandportionsofMudPondCreeklocatedwithinScribawerestudiedbyapproximatemethods.Approximatemethodsofanalysiswereusedtostudythoseareashavinglowdevelopmentpotentialandminimalfloodhazardsasidentifiedattheinitiationofthestudy.ThescopeandmethodsofstudywereproposedtoandagreeduponbytheFEMA.202CommunityDescriptionTheTownofScriba,encompassingalandareaof41'squaremiles,islocatedinthenorthwesternsectionofOswegoCounty,NewYork,alongthesouthernshorelineofLakeOntario.Scribaisapproximately28milesnorthoftheCityofSyracuse,NewYork.XtisborderedbytheTownofNewHavenontheeast,theTownofVolneyonthesouthandtheTownofMinettoandtheCityofOswegoonthewest.Zn1970,thepopulationofScribawas3,619,approximately45percentgreaterthanits1960populationof2,489(Reference1).Thisgavethetowna1970populationdensityofapproximately88personspersquaremile(Reference2).TheTownofScribawasincorporatedonApril5,1811,andwasonceaprosperousdairyingarea,althoughitisnowknownforitsextensivevegetableandfruitproduction.WhilemanyofScriba's0residentsworkinthesurroundingregion,severalmajorindustriesprovideemploymentwithinthetown.TheseindustriesincludeanAlcanAluminumPlant,theJ.A.FitzpatrickNuclearPowerPlantandtheNine~lilePointNuclearPowerStation.TheTownofScribalieswithinthegeographicalareaknownastheLakeOntarioPlains,whicharelocatedwithinthegreatergeographical-areacalledtheGreatLakesPlain.TheGreatLakesPlainextendsalongthefulllengthofthenorthernandwesternbordersofNewYorkState,connectingLakeErie,LakeOntarioandtheSt.LawrenceRiver(Reference2).Zntheeast-centralportionofthetown,theterrainisrelativelylevel.Zntheremainderofthetowntheterrainconsistsprimarilyofrollinghillsanddrumlinformations.ElevationswithinScribarangefromalowof246feetattheLakeOntarioshorelinetoahighof515feetjustsouthoftheStateRoute104-DelancyAirport.Roadinter-sectionThelanduseinScribaispredominantlyundeveloped,agricultural,orcomprisedofforest.Smallorchardsarealsolocatedintermittantlythroughthetown.Wetlandsareplentiful,withTealHarshandthewetlandssurroundingBlackCreekthemostsignificant(Reference3).Residentialandcommercialdevelopmenttendstofollowthemaintrafficcorridors-Smallconcentrationsofresidentialdevelopmentarefoundin |
Revision as of 22:19, 1 May 2018
ML18038A595 | |
Person / Time | |
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Site: | Nine Mile Point ![]() |
Issue date: | 08/25/1983 |
From: | Federal Emergency Management Agency |
To: | |
Shared Package | |
ML17054A040 | List: |
References | |
NUDOCS 8308300695 | |
Download: ML18038A595 (95) | |
Text
TOWNOF.SCRIBA,NEWYORKOSWEGOCOUNTY.'c~C'308300695830825PDRADQCK050004iOF".PDROocte~~A-""CoIItro>W~~~++tlate~~afttoculent:RrGULATORYDOCKETFlLEfederalemergencymanagementagencyCOMMUNITYNUMBER-360663 0
TABLEOFCONTENTSPacae1o0INTRODUCTION1.1PurposeofStudy1.2AuthorityandAcknowledgements1.3Coordination2~0AREASTUDIED2~1ScopeofStudy2.2CommunityDescription2.3PrincipalFloodProblems2.4FloodProtectionMeasures~0ENGINEERINGMETHODS3.1HydrologicAnalyses3.2HydraulicAnalyses4~0FLOODPLAINMANAGEMENTAPPLICATIONS4.1FloodBoundaries4.2Floodways5'INSURANCEAPPLICATION1213135.1ReachDeterminations5.2FloodHazardFactors245.3FloodInsuranceZones245.4FloodZnsuranceRateMapDescription25
TABLEOFCONTENTS-continuedPacae6~0OTHERSTUDIES257~0LOCATIONOFDATA258~0BIBLIOGRAPHYANDREFERENCES25FIGVBESFigure1>>VicinityMapFigure2-Potential100-yearfloodlevelforWalkerCreekattheCreameryRoadbridgeFigure3-FloodwaySchematic211lQKESTable1-SummaryofDischarges9-10Table2-FloodwayData15-20Table3-FloodInsuranceZoneData22-24EXHIBITSExhibit1-FloodProfilesOswegoRiverWineCreekWalkerCreekLycomingCreekCliffRoadCreekLakeviewCreekHarborBrookPanelsPanelPanelsPanelsPanelsPanelsPanel01P-02P03P04P-05P06P-08P09P-12P13P-14P15PExhibit2-FloodBoundaryandFloodwayMapIndexExhibit3-FloodBoundaryandFloodwayMap
TABLEOFCONTENTS-continuedI(PUBLISHEDSEPARATELY:FloodInsuranceRateMapIndexFloodInsuranceRateMap 00 FLOODINSURANCESTUDYTOWNOFSCRIBA~NEWYORK1~0INTRODUCTION1.1PurposeofStudyThisFloodInsuranceStudyinvestigatestheexistenceandseverityoffloodhazardsintheTownofScriba,OswegoCounty,NewYork,andaidsintheadministrationoftheNationalPloodInsuranceActof1968andtheFloodDisasterProtectionActof1973.ThisstudywillbeusedtoconvertScribatotheregularprogramoffloodinsurancebytheFederalEmergencyManagementAgency(PEMA).Localandregionalplannerswillusethisstudyintheireffortstopromotesoundfloodplainmanagement.Insomestatesorcommunities,floodplainmanagementcriteriaorregulationsmayexistthataremorerestrictiveorcomprehensivethanthoseonwhichthesefederally-supportedstudiesarebased.Thesecriteriatakeprecedenceovertheminimumfederalcriteriaforpurposesofregulatingdevelopmentinthefloodplain,assetforthintheCodeofFederalRegulationsat44CFR,60.3.Znsuchcases,however,itshallbeunderstoodthatthestate(orotherjurisdictionalagency)shallbeabletoexplaintheserequirementsandcriteria.1.2AuthorityandAcknowledgementsThesourceofauthorityforthisFloodInsuranceStudyistheNationalFloodInsuranceActof1968andtheFloodDisasterProtectionActof1973'hehydrologicandhydraulicanalysesforthisstudywerepreparedbyLockwood,KesslerandBartlett,Inc.forthePederalEmergencyManagementAgency,underContractNo.H-4741.ThisworkwascompletedinJune1980.1.3CoordinationAninitialConsultationandCoordinationOfficer's(CCO)meetingwasheldonApril14,1978toidentifystreamsrequiringdetailedstudy.ThismeetingwasattendedbyrepresentativesofLockwood,KesslerandBartlett,Inc.(thestudycontractor),theFEMA,andtheTownofScriba.Alegalnoticeannouncingtheintenttoperformthestudyandstatingitsobjectiveswasplacedinthelocalnewspaper.Duringthecourseofthisstudyseveralfederal,stateandmiscellaneousagencieswerecontactedforinformation.Federalagenciescontacted 0
includedtheBuffaloDistrictoftheU.S.ArmyCorpsofEngineers(COE),theSoilConservationService(SCS),theU.S.GeologicalSurvey(USGS),theNationalOceanicandAtmosphericAdministration(NOAA),theU.S.DepartmentofCivilDefenseandtheFederalDisasterAssistanceAdministration.AgenciescontactedfromtheStateofNewYorkincludedtheNewYorkStateDepartmentofCommerce,theDepartmentofState,theDepartmentofStateCommunityAffairsLibrary,theDepartmentofEnvironmentalConservation(FloodControlSection),theStateLibrary,theDepartmentofTranspor-tationandtheOfficeofDisasterPrepardnessTheOswegoCountyPlanningBoard,theNewYorkPublicLibraryandrepresentativesoftheTownofScribawerealsocontactedforrelatedinformation.TheresultsofthehydrologicanalyseswerecoordinatedwiththeCOE,theUSGS,theSCSandtheNewYorkStateDepartmentofEnvironmentalConservation(NYSDEC).OnSeptember16,1981,theresultsofthestudywerereviewedatthefinalCCOmeetingattendedbyrepresentativesofthestudycontractor,theFEMA,communityofficialsandinterestedcitizens.2~0AREASTUDIED2o1ScopeofStudyThisFloodInsuranceStudycoverstheincorporatedareaoftheTownofScriba,OswegoCounty,NewYork.TheareaofstudyisshownontheVicinityMap(Figure1)~TheLakeOntarioandOswegoRivershorelineswithintheTownofScriba,WineCreek,fzomTownLineRoadtoChurchillRoad,thesegmentofWalkerCreekbetweenStateRoute104andMiddleRoad,LycomingCreek,fzomtheHamletofLycomingtoitsmouthatLakeOntario,CliffRoadCreek,fromthevicinityofConrailtoitsmouthatLakeOntario,LakeviewCzeek,fromLakeviewRoadtoitsmouthatLakeOntario,and300feetoffloodingaffectingScribafromHarborBrookintheCityofOswegoalongthewestcorporateboundarywerestudiedbydetailedmethods.Theareasstudiedbydetailedmethodswereselectedwithprioritygiventoallknownfloodhazardareasandareasofprojecteddevelopmentandproposedconstructionforthenextfiveyears,throughJune1985.AportionofWalkerCreekTributaryfromitsconfluencewithWalkerCreektotheConrailcrossing,a1,000footsegmentofLakeCreekbeginningatthewesternboundaryoftheTownofScriba,theremainderofWineCreekfromtheChurchillRoad-HallRoadintersectiontoDeerRidgeRoad,Deer
IXICOII,1)!~aia.)aICVa~b'afLiII(IIkirUskILAZEONTARIO~aPft0'o-.~.'is(i.'jpgC'bSrr~~ar.(WaterI$0Demster~:q",pach.1T6s,q'4"~vV>~i~'iLorrrbCakevi>6c,niOa;,.m(iQb,c3(eFLo4aI~ems">0ablairluu!vorcriaEastLightWastgjeiagXeswggoSNew{~HaCIrItin4Ra'"acribnstaIView4.rOils-ewHava't'+'>rlsasrst4ev)Q(5{vi)qc,rsial(ey9(,'!(..o,'.i:"e/.0~:8leiC-cclb'(i0',VViiigoarqn4oNortholney(yi\rercP'arimbarnemnge,caHil[eill)alarmi-Hastn)leant4-~eee~jrrinI(eqSeal)nComes~r'laII'8~Flonniclpal~irs5?r~ib0Q$rt69FairltanOuterhero~iiGanby~(e(1!j,'hq,b'4'a'ail'fIIifayenolersCr.ttranbeLiler~b~t,'Ir-Radip~tewerOextville9faralIotytCoeneIraLbaXibaafgF,testingsalaa{bJ'iI'x(,'aJ+'k'l.BOgearor'(r.o!'Iq(,,a.9a'ab~if'~%PIinn)i)Squate'tabICe(i4aIfb----------2----FEDERALEMERGENCYMANAGEMENTAGENCY0APPAOXIMATESCALK412MI!.ESTOINOFStlHlBA,NY(oswEGoco.)VICINITYMAP
RidgeCreekandDeerRidgeCreekTributary,BlackCreekandBlackCreekTributaries7through9,PaddyCreek,PaddyPondTributaxy,CrooksPondTributary,BlackCreek,CrooksCreek,CrooksPond,PaddyPondandportionsofMudPondCreeklocatedwithinScribawerestudiedbyapproximatemethods.Approximatemethodsofanalysiswereusedtostudythoseareashavinglowdevelopmentpotentialandminimalfloodhazardsasidentifiedattheinitiationofthestudy.ThescopeandmethodsofstudywereproposedtoandagreeduponbytheFEMA.202CommunityDescriptionTheTownofScriba,encompassingalandareaof41'squaremiles,islocatedinthenorthwesternsectionofOswegoCounty,NewYork,alongthesouthernshorelineofLakeOntario.Scribaisapproximately28milesnorthoftheCityofSyracuse,NewYork.XtisborderedbytheTownofNewHavenontheeast,theTownofVolneyonthesouthandtheTownofMinettoandtheCityofOswegoonthewest.Zn1970,thepopulationofScribawas3,619,approximately45percentgreaterthanits1960populationof2,489(Reference1).Thisgavethetowna1970populationdensityofapproximately88personspersquaremile(Reference2).TheTownofScribawasincorporatedonApril5,1811,andwasonceaprosperousdairyingarea,althoughitisnowknownforitsextensivevegetableandfruitproduction.WhilemanyofScriba's0residentsworkinthesurroundingregion,severalmajorindustriesprovideemploymentwithinthetown.TheseindustriesincludeanAlcanAluminumPlant,theJ.A.FitzpatrickNuclearPowerPlantandtheNine~lilePointNuclearPowerStation.TheTownofScribalieswithinthegeographicalareaknownastheLakeOntarioPlains,whicharelocatedwithinthegreatergeographical-areacalledtheGreatLakesPlain.TheGreatLakesPlainextendsalongthefulllengthofthenorthernandwesternbordersofNewYorkState,connectingLakeErie,LakeOntarioandtheSt.LawrenceRiver(Reference2).Zntheeast-centralportionofthetown,theterrainisrelativelylevel.Zntheremainderofthetowntheterrainconsistsprimarilyofrollinghillsanddrumlinformations.ElevationswithinScribarangefromalowof246feetattheLakeOntarioshorelinetoahighof515feetjustsouthoftheStateRoute104-DelancyAirport.Roadinter-sectionThelanduseinScribaispredominantlyundeveloped,agricultural,orcomprisedofforest.Smallorchardsarealsolocatedintermittantlythroughthetown.Wetlandsareplentiful,withTealHarshandthewetlandssurroundingBlackCreekthemostsignificant(Reference3).Residentialandcommercialdevelopmenttendstofollowthemaintrafficcorridors-Smallconcentrationsofresidentialdevelopmentarefoundin
theHamletsofLycoming,Scriba,Lakeview,JonesCorner,andintheareanortheastoftheMallRoad-TownLineRoadintersectionineasternScriba.Approximately7.4milesoftheLakeOntariocoastlineformsthenorthernborderoftheTownofScriba.AportionofScriba'swesternborderisformedbytheOswegoRiver.Atthetown'scorporatelimits,theOswegoRiverdrainsanareaof5,096squaremiles.WineCreekoriginatesinthesouthwesternsectionofScribaandflowsnorththroughtheCityofOswegobeforeemptyingintoLakeOntario.Ithasadrainageareaof1-8squaremiles.WalkerCreekoriginatestothenortheastoftheHallRoad-JohnsonRoadintersectionandflowsnorthwestthroughthetownbeforeemptyingintoLakeOntario.WalkerCreekhasadrainageareaof3.9squaremilesLycomingCreekisamajordrainagesource,anddrainsanareaof6.8squaremilesinnortheastScriba.ItflowsgenerallynorthfromtheHamletofLycomingtoitsmouthatLakeOntarioinSunsetBay.CliffRoadCreek,whichoriginatessoutheastoftheNorthRoad-CreameryRoadintersectioninnorth-centralScriba,hasadrainageareaof1.9squaremilesatitsmouthatLakeOntario.LakeviewCreekflowsnorthtoemptyintoLakeOntarioattheHamletofLakeview.Ithasadrainageareaof4.0squaremiles.WalkerCreekTributaryoriginatesincentralScribaandflowsnorthwesttoitsconfluencewithWalkerCreek.AshortsegmentofLakeCreekflowsthroughScribabeforeenteringtheCityofOswego,whereitemptiesintoLakeOntario.DeerRidgeCreekTributaryflowsnorthwestthroughsouth-westScribabeforejoiningDeerRidgeCreek,whichalsoflowsnorthwestthroughthetowntoreachitsconfluencewiththeOswegoRiver.BlackCreekTributaries7,8and9flowsouthtotheirrespectiveconfluenceswithBlackCreekinsouthcentralScriba.PaddyCreek,PaddyPondTributary,CrooksCreek,CrooksPondTributary,MudPondCreek,CrooksPondandPaddyPondarealllocatedinthesoutheastcornerofthetown-I,Theregion'sclimateisclassifiedashumidcontinentalsPrevailingwesterlywindsthatblowacrossthefulllengthofLakeOntarioaffectthetemperatureinbothsummerandwinter,withtheexclusionofperiodswhenthelake'ssurfaceisfrozen.Theicecausesthedelayofwarmweatherinthespring.Autumnisarelativelywarmseason;however,wintersaresevereduetoalargefrequencyofstormsandcoldwaves(Reference4)~Scribaissubjecttowhatisknownasthe"lakeeffect",duetoitscloseproximitytoLakeOntario.Becausethelakeisalargebodyofwater,itrespondsslowlytochangesintemperature.Whencoldairarrivesinthewinter,thelakewatersarestillrelativelywarm,whileintheearlysummer,thelakeremainsquitecool.Eachwinterthelakeeffectisthecauseofmanyheavysnowsqualls.ThesesquallscontinuewellintoFebruary,sincemuchofthelakesurfacedoesnotfreezethroughouttheearlywintermonths.Themeanmonthlytemperature
forScribaisapproximately24.5degreesFahrenheit(4F)inJanuaryandapproximately69.5FinJuly.Themeanannualrainfallisapproximately34.5inches,andthemeanannualsnowfallisapproximately85inches(Reference4).2.3PrincipalFloodProblemsThereareseveralareassubjecttofloodingwithintheTownofScriba.AlongWineCreek,floodinghasoccurredatTownLineRoadandalongthemuckfarmsborderingthecreek.Znthepast,WalkerCreekhasovertoppedCreameryRoadandLycomingCreekhasovertoppedLycomingRoad.ManyofthecottagesborderingLakeOntariohavealsobeeninundated.The'otential100-yearfloodlevelofWalkerCreekattheupstreamfaceoftheCreameryRoadBridgeisshowninFigure2.~6~gl00YEARFLOOD~AFigure2-Thepotential100-yearfloodlevelforWalkerCreekattheupstreamfaceoftheCreameryRoadBridge,facingwest.AnhistoricalstormoccurredinJune1972,asTropicalStormAgnespassedthroughtheOswegoRiverbasin.Althoughmanycommunitieswithintheareareceivedrecordamountsofrainfall,floodinganditsresultantdamageswereminimalinScriba(Reference5).ZnMarch1973,however,seriousfloodingandaccompanyingsoilerosionoccurredalongLakeOntario,damagingnearly$2.2millionworthofpropertyalongitsshore-lineinOswegoCounty(Reference6)~AdditionalfloodingoccurredinJanuary1978,whenanicejamontheOswegoRiverintheTownofVolneyfloodedhomesinnearbyScriba.
FloodingalongLakeOntarioisaffectedbythreecategoriesoflakelevelfluctuations:long-term,seasonalandshort-period.Longtermfluctu-ationsarecausedprimarilybyanincreaseordecreaseofprecipitationoverthelake.Shorelinefloodingalsooccurswhenconsecutiveannualrainfallsarehigherthanthemeanannualprecipitation.Thetimeinter-valsbetweensuccessivehigh-waterperiodsareofirregularlengthandcansometimescauseabruptincreasesinthelakelevel.Thisstudyisprimarilyconcernedwithlong-termfluctuationsincombinationwithseasonalandshort-periodvariationsofthelakelevels.Znaccordancewithseasonalfluctuations,highlakelevelsonLakeOntariogenerallyoccurinthespring,whenrun-offincreasesduetosnowmelt,lowratesofevaporationfromthelakeandevapotranspirationfromthelandsurface.Short-periodfluctuationsof,lakelevelscanbecausedbywindblowingoverthelake.Thiswinddrivessurfacewateringreatvolumestowardtheshore,thusraisingthewaterlevelatonesideofthelakewhileloweringthewaterlevelattheotherside.Theeffectofthiswindset-upismorepronouncedinbayswheretherisingwaterisconcentratedinarestrictedspacewithintheshoresofthebay.OutflowfromLakeOntarioisregulatedbyapowerhouseanddamatBarnhartZsland,NewYork.Thelakeiscontrolledaccordingtoplan"1958-D",whichtriestoanticipatehighandlowwaterlevelsaccordingtoseasonalfluctuations.Large,long-termfluctuationsofthelakesometimesmakeitdifficulttomaintainthedesiredrangeoflakelevels.Duetotherelationshipofthelargelakeareatothelimiteddischargecapabilitiesofoutflowstreams,floodlevelsonthelakepersistforaconsiderabletimeafterthefactorscausingthehighlevelsareremoved(Reference7).TheZnternationalJointCommission(ZJC)haspublishedareport,FurthercausesforGreatlakelevelsfluctuation,theresultsofgresentregulation,andinvestigatesthefeasibilityofalternatepossibleregulationplans(Reference8).Thisreportstatesthattheeffectsofshorelineerosion,acontinuousprocess,aremostpronouncedduringperiodsofhighwater.Hence,decisionsconcerningfutureregulat'onwillhaveaneffectontheLakeOntarioshorelineerosionproblemsexistingintheTownofScriba.2e4FloodProtectionMeasuresTheonlyfloodprotectionstructureswithintheTownofScribaareindividualseawallsconstructedalongLakeOntarioatvariouscottagesintheattempttoorotectagainsterosion.TheScribaTownBoardhasalsoenactedanordinancewhichregulatesconstructioninfloodhazardareasdesignatedontheFloodHazardBoundaryMapfortheTownofScriba(References9and10).NootherfloodprotectionmeasuesareemployedinScriba.
3~0ENGINEERINGMETHODSPorthefloodingsourcesstudiedindetailinthecommunity,standardhydrologicandhydraulicstudymethodswereused'o'eterminethefloodhazarddataforthisstudy.Floodeventsofamagnitudewhichareexpectedtobeequalledorexceededonceontheaverageduringany10-,50-,100-,or500-yearperiod(recurrenceinterval)havebeenselectedashavingspecialsignificanceforfloodplainmanagementandforfloodinsurancepremiumrates-Theseevents,commonlytermedthe10-,50-,100-,and500-yearfloods,haveaI10-,2-,1-,and0~2-percentchance,respectively,ofbeingequalledorexceededduringanyyear.Althoughtherecurrenceintervalrepresentstheiong-term~overseperiodbetweendloodsodaspecificmagnitude,raredloodscouldoccuratshortintervalsorevenwithinthesameyear.Theriskofexperiencingararefloodincreaseswhenperiodsgreaterthanoneyearareconsidered.Porexample,theriskofhavingafloodwhichequalsorexceedsthe100-yearflood(one-percentchanceofannualoccurrence)inany50-yearperiodisabout40percent(fourin,ten)and,forany90-yearperiod,theriskincreasestoabout60percent(sixinten).Theanalysesreportedherereflectfloodingpotentials,basedonconditionsexistinginthecommunityatthetimeofcompletionofthisstudy.Mapsandfloodelevationswillbeamendedperiodicallytoreflectfuturechanges.3.1HydrologicAnalysesHydrologicanalyseswerecarriedouttoestablishthepeakdischarge-frequencyrelationshipsforfloodsoftheselectedrecurrenceintervalsforeachfloodingsourcestudiedindetailaffectingthecommunity.Thepeakdischarge-frequencyrelationshipfortheOswegoRiverwasdeterminedbyastatisticalanalysisofthedischargerecordsofUSGSgagingstationNo.04249000,locatedatLockNo.7,Oswego,NewYorkTheanalysiswasperformedwith39yearsofrecordusingthestandardlog-PearsonTypeZIImethodasoutlinedbytheWaterResourcesCouncil(Reference11).TheseresultswerethencomparedtothedischargesdevelopedbytheUSGSfortheFloodInsuranceStudyfortheCityofOswego(Reference12).Sincethesepreviouslydevelopeddischargesfellwithinthe50percentconfidenceintervalofthemorerecentestimates,theformerhavebeenadoptedasthebasisoftheproposeddischargesfortheFloodInsuranceStudyfortheTownofScriba.ThepeakdischargesforWineCreekwereadoptedfromtheFloodInsuranceStudyfortheCityofOswegoandadjustedbasedonreductionindrainagearea(Reference12)~Znthisstudy,flood-frequencyrelationshipsforWineCreekweredevelopedbyaveragingtheresultsfromtherainfallfrequency-runoffrelationshipsdevelopedbythe,SCS,andtheresultsfromthemethoddevelopedbytheUSGS,WaterResourcesDivision,NewJerseyDistrict(References13and14)~Thismethodrelatespeakflooddischargetodrainagebasinsize,channelslope,surfacestoragewithinthebasin,andanindexofmanmadeimperviouscover.
ForHarborBrook,peakdischargeswerealsoadoptedfromtheFloodInsuranceStudyfortheCityofOswego(Reference12).TheSCSrainfallfrequency-runoffrelationshipwasusedtodeterminethedischarges,andextendsthroughthe100-yearreturnperiod.The500-yearreturnperiodwasdeterminedbyastraightlineextrapolation.Reductionfromupstreamstoragewasnotconsidered.PeakdischargesforWalkerCreekweredevelopedusingthemethodologyoftheFederalHighwayAdministration's(FHWA)RunoffEstimatesforSmallRuralWatershedsandcheckedbytheSCS'smethod(References15and13).ThepeakdischargesforLycomingCreekweredevelopedusingtheUSGSRegionalWaterSupplyPaper1677,andcheckedbytheFHWA'srunoffestimates.(References16and15)~ThepeakdischargesforCliffRoadCreekandLakeviewCreekweredevelopedusingthemethodologyoftheBureauofPublicRoadspeakRatesofRunofffromSmallWatetsheds,andcheckedbythePRWAmethod(References17and15).Asummaryofdrainagearea-peakdischargerelationshipsforthestreamsstudiedbydetailedmethodsisshowninTable1,"SummaryofDischarges".TABLE1-SUMMARYOFDISCHARGESDRAINAGEAREAPEAKDISCHARGES(cfs)FLOODINGSOURCEANDLOCATION(sa.miles)10-YEAR50-YEAR100-YEAR500-YEAROSWEGORIVERAttheTownofScribacorporatelimits5,096m028P57035f46538f46045P455WINECREEKAttheTownofScribacorporatelimits1~8400540600800WALKERCREEKAtconfluencewithLakeOntario3~93806407401,000LYCOMZNGCREEKAtconfluencewithLake.Ontario6.87451,0301,1501,330CLIFFROADCREEKAtconfluencewithLakeOntario1.9275400455~595
TABLE1-SUMMARYOFDXSCHARGES-continuedDRAINAGEAREAPEAKDISCHARGES(cfs)LA1Q~VIEWCREEKAtconfluencewithLakeOntario4'4707008101,090HARBORBROOKApproximately12,040feetaboveconfluencewithLakeOntario0'29044048,0560Analyseswerecarriedouttoestablishthepeakelevation-frequencyrelationshipsforfloodsoftheselectedrecurrenceintervalsfortheportionofLakeOntariostudiedindetailaffectingthecommunity-AnalysesofelevationsofLakeOntariowerebasedonrecordsforthelakegagesatRochester,NewYork(19years),Oswego,NewYork(40years)andCapeVincent,NewYork(58years),aswellasthoseatPortWeller(45years),Toronto(60years),Cobourg.(18years)andKingston(63years),ontheCanadianside.Xn1977,theCOEdeterminedthe10-,50-,100-and500-yearfloodlevelsfor5reachesalongtheUnitedStatesshorelineofLakeOntario(Reference18).Theselevelsarebaseduponfrequencycurvesderivedfromtheannualmaximumfloodlevelsrecordedateachpreviouslymentionedgagesite,andadjustedtoreflectpresentdiversionandoutletconditions.ComparisonofthesefloodlevelswiththoseusedincompletedFloodInsuranceStudiesinnearbycommunitiesresultedinnosignificantdifference.Therefore,theCOE'sfloodlevelswereadoptedforuseinthisstudy.Asummaryofelevation-frequencyrelationshipsforthesectionofLakeOntariostudiedbydetailedmethodsisshowninTable2,"SummaryofElevations"~TABLE2-SUMMARYOFELEVATXONSELEVATION(feet)FLOODINGSOURCEANDLOCATION10-YEAR50-YEAR100-YEAR500-YEARLAKEONTARIOEntireshorelinewithintheTownofScriba248~7249.2249.42490810
'I~
Thestormsurgeelevationsforthe10-,50-,100-,and500-yearfloodshavebeendeterminedforLakeOntario.Theanalysesreportedhereinreflectthestillwaterelevationsduetotidalandwindsetupeffects,butdonotincludethecontxibutionsfromwaveactioneffectssuchasthewavecrestheightandwaverunup.Nonetheless,thisadditionalhazardduetowaveactioneffectsshouldbeconsideredintheplanningoffuturedevelopment.3~2HydraulicAnalysesAnalysesofthehydrauliccharacteristicsofthefloodingsourcesstudiedindetailwerecarriedouttoprovideestimatesoftheelevationsoffloodsoftheselectedrecurrenceintervalsalongeachofthesefloodingsources.CrosssectionsofoverbankareasforthebackwateranalysesoftheOswegoRiver,WineCreek,WalkerCreek,LycomingCreek,CliffRoadCreekLakeviewCreekandHarborBrookwereobtainedbyphotogrammetricmethodsrthebelow-watersectionswereobtainedbyfieldmeasurement.Allbridges,damsandculvertsweresurveyedtoobtainelevationdataandstructuralgeometry.Crosssectionswerelocatedatcloseintervalsaboveandbelowbridgesandculvertsinordertocompute.thesignificantbackwatereffectsofthesestructures.Channelroughnesscoefficients(Manning's"n")usedinthehydrauliccomputationswerechosenbyengineeringjudgementandwerebasedonfieldobservations-ofthestream'schannelandfloodplainareasRoughnessvaluesforthemainchanneloftheOswegoRiverrangedfrom0.035to0.~060andtheoverbankvaluesrangedfrom0.10to0.15.RoughnessvaluesforthemainchannelofWineCreekrangedfrom0~024to0.050andtheoverbankvaluesrangedfrom0~05to0.10.ForWalkerCreek,theroughnessvaluesforthemainchannelrangedfxom0.028to0.120,andtheoverbankvaluesrangedfrom0~07to0.25.LycomingCreekroughnessvaluesrangedfrom0.03to0.10forthemainchannelandfrom0.07to0.25fortheoverbankareas.-CliffRoadCreekroughnessvaluesxangedfrom0.035to0.120forthemainchannelandfrom0.07to0.25fortheovexbanks~RoughnessvaluesforthemainchannelofLakeviewCreekrangedrom0.03to0.08andtheovexbankvaluesrangedfrom0-09to020~Mater-surfaceelevationsforfloodsoftheselectedrecurrenceintervalswerecomputedthroughtheuseoftheCOEHEC-2step-backwatercomputerprogram(Reference19)~Startingwater-surfaceelevationsfortheOswegoRiver,WineCreek,andHarborBrookweretakenfromtheFloodInsuranceStudyfortheadjacentCityofOswegoattheOswego/Scribacorporatelimits(Reference12).Startingwater-surfaceelevationsforWalker11, 0
Creek,LycomingCreek,CliffRoadCreekandLakeviewCreekweredeterminedbytheslope/areamethod.PorWalkerCreek,thestartingwater-surfaceelevationsdeterminedbythesemethodsweredevelopedatcrosssectionsdownstreamofthelimitsofthestudy.Thecomputedwater-surfaceprofilethroughthesedownstreamreachesconvergedtothetrueelevationatthefirstcrosssectionatthebeginningofthedetailedstudylimitsFloodprofilesweredrawnshowingcomputedwater-surfaceelevationstoanaccuracyof0.5footforfloodsoftheselectedrecurrenceintervals.PorHarborBrook,floodprofileswereadoptedfromtheCityofOswegoFloodInsuranceStudy(Reference12).LocationsofselectedcrosssectionsusedinthehydraulicanalysesareshownontheFloodprofiles(Exhibit1).Forstreamsegmentsforwhichafloodwayiscomputed(Section4.2),selectedcross-sectionlocationsarealsoshownontheFloodBoundaryandFloodwayMap(Exhibit3).AllelevationsusedinthisstudyarereferencedtotheNationalGeodeticVerticalDatumof1929(NGVD),formerlyreferredtoasSeaLevelDatumof1929.Locationsoftheelevationreferencemarksusedinthestudyareshownonthemaps.Thehydraulicanalysesforthisstudyarebasedontheeffectsofunob-structedflow.ThefloodelevationsshownontheprofilesarevalidonlyifhydraulicstructuresremainunobstructedanddonotfailFloodinformationforLakeviewCreekTributaries1and2,DeerRidgeCreek,DeerRidgeCreekTributaryandtheremainderofWineCreekstudiedbyapproximatemethods,wasobtainedbyuseoftheSCSrunoffcurvesandthehydrologyandflooddepthresultsofcertaindetailedfloodingsources(Reference13)~Flooddepthswerethendeterminedbynormalslope/areamethodsusingManning'sequation,andbyculvertandbridgeflowcapacityanalysesat,crossings.FloodinformationfortheremainingstreamsandtributariesstudiedbyapproximatemethodswasobtainedfromthePIAFloodHazardBoundaryMapfortheTownofScriba(Reference10).4~0PLOODPLAINMANAGEMENTAPPLICATIONSTheNationalFloodInsuranceProgramencouragesstateandlocalgovernmentstoadoptsoundfloodplainmanagementprograms.Therefore,eachFloodInsuranceStudyincludesafloodboundarymapdesignedtoassistcommunitiesindevel-opingsoundfloodplainmanagementmeasures.12
4.1FloodBoundariesInordertoprovideanationalstandardwithoutregionaldiscrimination,the100-yearfloodhasbeenadoptedbytheFEHAasthebasefloodforpur-posesoffloodplainmanagementmeasures.The500-yearfloodisemployedtoindicateadditionalareasoffloodriskinthecommunity.PortheLakeOntarioshorelinestudiedindetail,theboundariesofthe100-and500-yearfloodlevelshavebeendelineatedusingthestormwaterelevations.Thetopographicmapsusedtodelineatelakefloodingwereeitherpreparedfromaerialphotographyatascaleof1:4,800withacontourintervalof5feetorwereUSGStopographicmapsatascaleof1:24,000withacontourintervalof10feet(References20and21).Foreachstreamstudiedindetail,theboundariesofthe100>>and500-yearfloodshavebeendelineatedusingthefloodelevationsdeterminedateachcrosssection;betweencrosssections,theboundarieswereinterpolatedusingtopographicmapspreparedfromaerialphotographsatascaleof1:4,800withacontourintervalof5feet(Reference20)~Incaseswherethe100-and500-yearfloodboundariesareclosetogether,onlythe100-yearboundaryhasbeenshown.FloodboundariesforLakeviewCreekTributaries1and2,DeerRidgeCreek,DeerRidgeCreekTributaryandtheremainderofWineCreekstudiedbyapproximatemethodswereplottedonUSGStopographicmaps(Reference21)~Floodboundariesforthesestreamswerefurtherverifiedbyexaminationofaerialphotographsorfieldinspection.Floodboundariesforthe'remainingstreamsandtributariesstudiedbyapproximatemethodsweretransferredtoUSGSmapsfromtheFloodHazardBoundaryMapsfortheTownofScriba(Reference10).TheareaeastofLycomingRoadatLycomingCreekhasbeenclassifiedasadivergentflowarea.SurchargingflowatthesoutherncrossingofLycomingRoadwouldshortcircutandflowatundetermineddepthsalongtheeasternsideofLycomingRoadtowhereitentersLycomingCreekagainjustdownstreamofthenortherncrossingofLycomingRoad.Sincethedepthofthisfloodingisprobablylessthanonefoot,theareahasbeendesignatedZoneB.Theboundariesofthe100-and500-yearfloodsareshownontheFloodBoundaryandPloodwayMap(Exhibit3).Smallareaswithinthefloodboundariesmaylieabovethefloodelevationsand,therefore,maynotbesubjecttoflooding.Owingtolimitationsofthemapscaleandlackofdetailedtopographicdata,suchareasarenotshown.4o2PloodwaysEncroachmentonfloodplains,suchasartificialfill,reducestheflood-carryingcapacity,increasesthefloodheightsofstreams,and13
increasesfloodhazardsinareasbeyondtheencroachmentitself.Oneaspectoffloodplainmanagementinvolvesbalancingtheeconomicgainfromfloodplaindevelopmentagainsttheresultingincreaseinfloodhazard.ForpurposesoftheFloodInsuranceProgram,theconceptofafloodwayisusedasatooltoassistlocalcommunitiesinthisaspectoffloodplainmanagement.Underthisconcept,theareaofthe100-yearfloodisdividedintoafloodwayandafloodwayfringe.Thefloodwayisthechannelofastreamplusanyadjacentfloodplainareasthatmustbekeptfreeofencroachmentinorderthatthe100-yearfloodcanbecarriedwithoutsubstantialincreasesinfloodheights.MinimumstandardsoftheFEMAlimitsuchincreasesinfloodheightsto1.0foot,providedthathazardousvelocitiesarenotproduced.Thefloodwaysinthisreportarepresentedtolocalagenciesasminimumstandardsthatcanbeadoptedorthatcanbeusedasabasisforadditionalstudies.Thefloodwayspresentedinthisstudywerecomputedonthebasisofecpxalconveyancereductionfromeachsideofthefloodplains.Theresultsofthesecomputationsaretabulatedatselectedcrosssectionsforeachstreamsegmentforwhichafloodwayiscomputed(Table3)AsshownontheFloodBoundaryandFloodwayMap(Exhibit3),thefloodwaywidthsweredeterminedatcrosssections;betweencrosssections,theboundarieswereinterpolated.Incaseswheretheboundariesoftheflood-wayandthe100-yearfloodareeitherclosetogetherorcollinear,onlythefloodwayboundaryhasbeenshown.PortionsofthefloodwaywidthsfortheOswegoRiverextendbeyondthecorporatelimits.Theareabetweenthefloodwayandtheboundaryofthe100-yearfloodistermedthefl'oodway.fringe.Thefloodwayfringethusencompassestheportionofthefloodplainthatcouldbecompletelyobstructedwithoutincreasingthewater-surfaceelevationofthe100-yearfloodbymorethan1.0footatanypoint.TypicalrelationshipsbetweenthefloodwayandthefloodwayfringeandtheirsignificancetofloodplaindevelopmentareshowninFigure3.5~0INSURANCEAPPLICATIONInordertoestablishactuarialinsurancerates,theFEMAhasdevelopedapro-cesstotransformthedatafromtheengineeringstudyintofloodinsurancecriteria.Thisprocessincludesthed'eterminationofreaches,FloodHazardFactors(FHFs),andfloodinsurancezonedesignationsforeachfloodingsourceaffectingtheTownofScriba.5~1ReachDeterminationsReachesaredefinedaslengthsofwatercourseshavingrelativelythesamefloodhazard,basedontheaverageweighteddifferenceinwater-surface14 l
FLOODINGSOURCEFLOODWAYBASEFLOODWATERSURFACEELEVATIONCROSSSECTIONDISTANCEWIDTH(FT.)SECTIONAREA(SO.FT.)MEANVELOCITY(F.P.S.)REGULATORYFLOODWAYWITHFLOODWAY(NGVD)INCREASE(FEET)OswegoRiverAAABACADAEAF16,050118,O1O'0,280122,490124760125,620147635023779366434983486313,79213,53015,84511,9589,7279,183272.82~432394~1296+7296'297'297'297'297.8296~7296~8297~0297~2297~6297'296~7296'297'297.2297'297'0.00.00~00~00~00~0(/ineCreek8CDEH802620297021,6902,11022,38522,54523;13023,2852492193873550329239374581,6981,3383084102945563433321~30~30'1~9142'1~01~71~8343~134313431343.1343.1343~1343'343'343+7343~1343~1343~1343~1343~1343~13437343'343'3431343~1343~1343~13232343'34373438343~80~00~00~00~0010.10~0010~1FeetaboveconfluencewithLakeOntarioFeetabovecorporatelimitsThiswidthextendsbeyondcorporatelimitsFEDERALEMERGENCYMANAGEMENTAGENCYTOINOFSGRIBA,NY;(oswEGoco.)FLOODWAYDATAOSWEGORIVERANDWINECREEK
FLOODINGSOURCEFLOODWAYBASEFLOODWATERSURFACEELEVATIONCROSSSECTIONDISTANCEWIDTH(FT.)SECTIONAREA(SQ.FT.)MEANVELOCITY(F.P.S.)REGULATORY(NGVD)WITHOUTFLOODWAY(NGVD)WITHFLOODWAY(NGVD)INCREASE(FEET)WineCreek(Continued)JKL3,75513,92514,6051293338722792,9757,2862~10~20~0343.7345~1345~1343~7345~1345~1343.9345~234520~2p.10~1WalkerCreekABCDEFGHIJKLM15,030215,310216i470217,320217,965218,450218,885219,050219,42021977P19945220i150220,300240152201425510735200918513923128284791705952373471149593293945151001,1922~5Oi910~51~23.1.2~1640.72~21~81~47~30~6342~0324~0329.5334.0335.4337~7340~1342.2342'345'346~1346~3354'342'324'329'334'335.4337.7340~13422342'345'34613463354'3420324~1329.8334.9336~1338'340'34323432346~8347~0347.3354'0~00.1Oi309070.90.61~01~00'0'0~90.21FeetabovecorporatelimitsFeetaboveconfluencewithLakeOntarioFEDERALEMERGENCYMANAGEMENTAGENCY'OIHOFSCHtBA,NY.;.(oswEGoco.)Ft.000NAYOATAWINECREEKANDWALKERCREEK
FLOODINGSOURCEFLOODWAYBASEFLOODWATERSURFACEELEVATIONCROSSSECTION1DISTANCEWIDTHIFT.)SECTIONAREA{SQ.FT.)MEANVELOCITY(F.P.S.)WITHOUTWITH(NGVVA)FLOODWAY"FLOODWAY{NGVD)(NGVD)INCREASE{FEET)LycomingCreekABCDEFGHIJKLMN0PQRS7609151,6102,4602,8303,2803,8704,1104,6154,7605i2405,9506,3606,8057,5457,9958,1358,3808,74047151104619913066162402745593964737878874042842366361859476752194315923558601382i0033,4372,6383,3104,7345,4291,9551,9671,9225,0756+21~21~75.22'1~93~21~38+30'0~30~40~30~2020~50~50~50~2256~2260~4260~6261~0263'264'265'265'266'277'277'277~2277'277~2277'277.3281~7281~7281~7256'260+4260'261~0263'264'265'265.5266'277'277~2277.2277'277'277~3277~3281~72817281~7256~2260o4260~6261~2263~4265~0,266~0266.3267'277~2277~22772277'2772277~3277~3281~7281~7281070'0'0'0'0.40'0'0~80~50~00~00~00~00~00~00~00~00~00~01FeetaboveconfluencewithLakeOntarioFEDERALEMERGENCYMANAGEMENTAGENCYTOWNOFSCRlBA,-NY;-'oswEGoco.).FLOODIAYDATALYCOMINGCREEK'.
CROSSSECTIONDISTANCE1FLOODINGSOURCEWIDTH{FT.)FLOODWAYSECTIONAREA(SQ.FT.)MEANVELOCITY(F.P.S.)REGULATORY(NGVD)WITHFJ.OODWAY(NGVD)WITHOUTFLOODWAY{NGVD)BASEFLOODWATERSURFACEELEVATIONINCREASE(FEET)LycomingCreek(Continued)TUVWXYZAAABACADAEAFAGAHAIAJAK9,1609,62010,38010,54010,86011,26011,96012,20513,23513,885.14,59515,29515,97516,37516,55517,04517,35517,51557012070222107396851446114058435791254821371291832t6144764441,6168061642,3036933216022t8312,2876281464,4356185421i306042.4250'1469041.63~51~9040'1~87'0'1~82~0.8281~7281~7284.6287'287~7288~3295.4296'305~1312~23147316.6317~53175323~53237323.93292281~7281.7284+6287~4287'288e3295'296'305~1312~2314~7316+6317~5317~5323'323~7323'329'2817281~7285~1287'2881289'296~1297'305'312~2315~23275318.4318~53235323'324'329.2000.00.50~3040~90~70~90.80'0.50'0'100'0~10'00il"FeetaboveconfluencewithLakeOntarioFEDERALEMERGENCYMANAGEMENTAGENCYTOWN.OFSCBIBA,NY(oswEeoca.)----.FLOODWAY.DATA.LYCOMINGCREEK
FLOODINGSOURCEFLOODWAYBASEFLOODWATERSURFACEELEVATIONCROSSSECTIONDISTANCE1WIDTHIFT.)SECTIONAREAISO.FT.)MEANVELOCITYIF.P.S.)REGULATORYFLOODWAYWITHFLOODWAYINGVD)INCREASE{FEET)CliffRoadCreeABCDEFGHIJKLMN0PQRS3451,1251,5901,9702,5252,9253,0403,2203,4203,7204,0904,3754,5254,7805,0305,1605,4105,5806,090225366264714385462169182302313450239220241154140410118268735491811135391,7287016696769141,6469511,2429394074631,3363~81~6610'2.53'0'0'0'0'0'0'0'0~40'0.41~10~90'249+9253.9259+1263~8265'270'276~2277'277'277'277'277'277'277+6277'277+6277'277'277~7249'253~92591263.8265.9270~8276'277'277'277'277.5277'277'277'277'277'277'277'2777249'253'259~1263~9266~7271~7276~2277+4277'277'277'277'277~7277'277.7277~7277'277'277F90'0'0~00~10'0'0'0+0000'0.10.1Oo10~10.10~10~10~20~21FeetaboveconfluencewithLakeOntarioFEDERALEMERGENCYMANAGEMENTAGENCYTOWNOFSCBIBA.NY(ose~eoco.)FLOODWAYDATACL)'FFROADCREEK
FLOODINGSOURCEFLOODWAYBASEFLOODWATERSURFACEELEVATIONCROSSSECTIONDISTANCE1WIDTHIFT.)SECTIONAREAISO.FT.)MEANVELOCITY(F.P.S.)WITHOUTREGULATORYFLOODWAYINGVD)INGVD)WITHFLOODWAYINGVD)INCREASEIFEET)CliffRoadCreek(Continued)TUVWXYM6,5306,9007,1907,9708,6009,1309,3559i620721087076473160721102793191651431492532574~11~61.42~73~13'1.71~7278~7283.92847287'296.4301.3302.73038278'283'2847287'296.4301~3302'303'278+7284.1285~0288~1296.4302'303'304'0~00420~00'0.00.70.70~7LakeviewCreekABCDEF2553757551,2251,9402,330841076635243563006062871359332472'132~85~90~83~2249.0253,92540259~1261~7262'246~02253~9254'259~1261~7262424900254'2548259'262'263'0.00~80~8Oe70.70.8FeetaboveconfluencewithLakeOntarioElevationscomputedwithoutconsiderationofbackwatereffectsfromLakeOntarioFEDERALEMERGENCYMANAGEMENTAGENCYTOWNOFSCRIBA,NY(osweeoco.)-FlOODIAYDATA.CLIF.F.ROADGREEKANDLAKEVIEWCREEK
100YEARFLOODPLAINFLOODWAYFRINGEFLOODWAYFLOODWAYFRINGESTREAMCHANNKLFLOODELEVATCONFINEDWlIONWHENTHINFLOODWAYENCROACHMENTENCROACHMENT,cg~<.,ps').gSURCHARGE~'Vg0TI>,@44~@j(4PY".>4L~>kP>i8AREAOFFLOODPLAINTHATCOULDSEUSEDFORDEVELOPMENT8YRAISINGGROUNDFLOODELEVATIONEEFOREENCROACHMENTONFLOODPLAINLINEA~8ISTHEFLOODELEVATIONBEFOREENCROACHMENTLINEC~DISTHEFLOODELEVATIONAFTERENCROACHMENT~SURCHARGENOTTOEXCEED10FOOTIFEMAREOUIREMENTIORLESSERAMOUNTIFSPECIFIED8YSTATE.FLOOOWAYSCHEMATICelevationsbetweenthe10-and100-yearfloods.Thisdifferencedoesnothaveavariationgreaterthanthatindicatedinthefollowingtableformorethan20percentofthereach.AverageDifferenceBetween10-and100-YearFloodsVariationLessthan2feet2to7feet7.1to12feetNorethan12feet0.5foot1~0foot2.0feet3.0feetThelocationsofthereachesdeterminedforthefloodingsourcesoftheTownofScribaareshownontheFloodProfiles(Exhibit1)andaresummarizedintheFloodInsuranceZoneDataTable(Table4).21 0
FLOODINOSOURCEPANEL{10YR.){50YR.)0.2%I500YR.)ELEVATIONDIFFERENCEBETWEEN1A%(100-YEAR)FLOODANDFHF20NEBASEFLOOD3ELEVATIONINGVD)LakeOntarioReach1-0'-0~2+0.4005249OswegoRiverReach110-1~8-0~7+1~0020VariesWineCreekReach110-1~2-0'+0'010VariesWalkerCreekReach1Reach2Reach3050505-2~0-2'-1~1-0~1-0'-0'+03+1.8+0'020025010A4A5A2VariesVariesVariesLycomingCreekReach1Reach2Reach3'50505-1~3-2'-1~2-0'-0'-0'+0'+F8+0.5015025010A3A5A2VariesVariesVariesFloodInsuranceRateMapPanelWeightedAverageRoundedtothenearestfoot-seemapFEDERALEMERGENCYMANAGEMENTAGENCY,.TBNNBFSCRIBA,NY(OSWEGOCO.)--,FLOOD)NSORANCF.ZONEDATALAKEONTARIO;OSWEGORIVER,WINECREEK,WALKERCREEKANDLYCOMINGCREEK
FLOODINGSOURCEPANEL101C(10YR.)(60YR.)0~(600YR.)ELEVATIONDIFFERENCEBETWEEN1.0%(100-YEAR)FLOODANDFHFZONEBASEFLOODSELEVATION(NGVD)'liffRoadCreekReach1Reach2Reach3Reach405050505-1~1-0.5-1+8-0.8-0~3-0.2-0.2-0~2+0.6+0'+0'+0'010005020010A2A1A4A2VariesVariesVariesVariesLakeviewCreekReach105-100'+0'010VariesHarborBrookReach1<10-0'0'+0'005A1VariesFloodInsuranceRateHapPanelWeightedAverageRoundedtothenearestfoot-seemapFEDERALEMERGENCYMANAGEMENTAGENCYTOINOFBCBIBA.IIY(oswEGoco.)FLOODINSURANCEZONEDATACLIFFROADCREEKLAKEVkEWCREEKAQDHARBOhBR00
Znlacustrineareas,reachesarelimitedtothedistanceforwhichthedifferencebetweenthe10-and100-yearfloodelevationsdoesnotvarymorethan1.0foot.Usingthesecriteria,theLakeOntarioshorelinequalifiesasonereach.ThelocationofthisreachisshownontheFloodInsuranceRateMap5.2FloodHazardPactorsThePHPistheFEMAdeviceusedtocorrelatefloodinformationwithinsur-anceratetables.CorrelationsbetweenpropertydamagefromfloodsandtheirPHFsareusedtosetactuarialinsurancepremiumratetablesbasedonFHFsfrom005to200.TheFHFforareachistheaverageweighteddifferencebetweenthe10-and100-yearfloodwater-surfaceelevationsexpressedtothenearest0.5foot,andshownasathreeMigitcode.Forexample,ifthedifferencebetweenwater-surfaceelevationsofthe10-and100-yearfloodsis0.7foot,theFHPis005;ifthedifferenceis1.4feet,theFHPis015;ifthedifference-is5.0feet,thePHPis050.Nhenthedifferencebetweenthe10-and100-yearwater-surfaceelevationsisgreaterthan10~0feet,accuracyfortheFHPistothenearestfoot.5.3FloodXnsuranceZonesAfterthedeterminationofreachesandtheirrespectiveFHFs,theentireincorporatedareaoftheTownofScribawasdividedintozones,eachhavingaspecificfloodpotentialorhazard.,Eachzonewasassignedoneofthefollowingfloodinsurancezonedesignations:ZoneA:SpecialFloodHazardAreasinundatedbythe100-yearflood,determinedbyapproximatemethodssnobasefloodelevationsshownorPHPsdetermined.ZoneA1,A2,A3,SpecialFloodHazardAreasinundatedbythe100-yearA4andASflood,determinedbydetailedmethods;basefloodele-vationsshown,andzonessubdividedaccordingtoFHF.ZoneB:AreasbetweentheSpecialFloodHazardAreaandthelimitsofthe500-yearflood,includingareasofthe500-yearfloodplainthatareprotectedfromthe100-yearfloodbydike,levee,orotherwatercontrolstructure;also,areassubjecttocertaintypesof100-yearshallowfloodingwheredepthsarelessthan1'foot;andareassubjectto100-yearfloodingfromsourceswithdrainageareaslessthan1squaremile.ZoneBisnotsubdivided.ZoneC:Areasofminimalflooding.
Table4,"FloodInsuranceZoneData,"summarizesthefloodelevationdif-ferences,FHFs,'floodinsurancezones,andbaseflood,elevationsforthefloodingsourcesstudiedindetailintheTownofScriba.5.4FloodInsuranceRateMapDescriptionTheFloodInsuranceRateMapfortheTownofScribais,forinsurancepurposes,theprincipalresultoftheFloodInsuranceStudy.Thismap(publishedseparately)containstheofficialdelineationoffloodinsurancezonesandbasefloodelevationlines.Basefloodelevationlinesshowthelocationsoftheexpectedwhole-footwater-surfaceelevationsofthebase(100-year)flood.Thismap"isdevelopedirraccordancewiththelatestfloodinsurancemappreparationguidelinespublishedbytheFEMA6o0OTHERSTUDIESFloodInsuranceStudiesarecurrentlybeingpreparedfortheTownsofOswego,NewHaven,Volney,Granby,SchroeppelandLysanderandfortheCityofFulton(References22,23,24,25,26,27and28).AFloodInsuranceStudyhasalreadybeenpublishedfortheCityofOswego(Reference12)~ThedatapertainingtoHarborBrookwereadoptedfromthisstudy.AllofthesestudieshaveanalyzedindetailportionsoftheOswegoRiver,withtheexceptionoftheTownofOswegoandtheTownofNewHavenstudies.Theresultsofthoseanalyseswillbefullycompatiblewiththeresultsofthisstudy.Znaddition,sincetheTownsofMinetto,Volney,andNewHavenandtheCityofOswegoarealladjacenttoScriba,thefloodboundaries,floodwaylimitsandfloodprofilesfortheirrespectivestudiesmustbereconciled.Thefinalresultsofthesestudieswillmatchexactlywiththeresultsofthisstudy.ThisstudyisauthoritativeforpurposesoftheFloodInsuranceProgram,andthedatapresentedhereeithersupersedeorarecompatiblewithpreviousdeter-minations-7.0LOCATIONOFDATASurvey,hydrologic,hydraulic,andotherpertinentdatausedinthisstudycanbeobtainedbycontactingtheofficeoftheInsuranceandMitigationDivisionoftheFederalEmergencyManagementAgency,RegionalDirector,RegionIZOffice,26FederalPlaza,Room19-100,NewYork,NewYork10278.8o0BIBLIOGRAPHYANDREPLACES1.U.SDepartmentofCommerce,BureauoftheCensus,1970CensusofOffice,Washington,D.C.,1971.25
2~OswegoCountyplanningBoard,~Osweo~CountData,Oswego,NewYork,1977'~OswegoCountyPlanningBoard,Wetlandsof0~seeo~Count,NewYork:Antn~ntornrand~analsis,Fulton,NewYork,May1973.4eU.S.DepartmentofCommerce,NationalOceanicandAtmosphericAdministration,ClimatographyoftheUnitedStates,No.60-30,ClimatesoftheUnitedStates,NewYorkbyA.B.Pack,SilverSpring,Maryland,June1972~5.U.SArmyCorpsofEngineers,BuffaloDistrict~ReortofPloodf~TroicalStorm~A>es,June1972:~osweoRiverBasin,Buffalo,NewYork,August1973~6~St.Lawrence-EasternOntarioCommission,LakeOntarioandtheSt.byDJPalm,Ph.DWFWatertown,NewYork,March1975.7e~aucrierandOntario,PlanSO-901,Detroit,Michigan,Septemher1974~8~Ottawa,Quebec,Canada,'1976.9.TownofScriba,NewYorkTownBoard,Ordinance,"ProtectionofConstructioninAreasSusceptibletoFlood",TownofScriba,NewYorkf1978~10~U.S.DepartmentofHousingandUrbanDevelopment,FederalInsuranceAdad.nistration,FloodNazardBo~~zor~Ma,Townofscriha~osweoC~ountNewYork,Washington,DCeFJuly19,197411~WaterResourcesCouncil,"GuidelinesforDeterminingFloodPlowFre-quency,"Bulletin17A,Washington,D.CMFJune1977.12~U.S.DepartmentofHousingandUrbanDevelopment,FederalInsuranceAdministration,pipedInsurance~Stud,~Citof0~seeo,~Osweo~Count,NewYork,USGovernmentPrintingOffice,Washington,D.C,May16F1977.13~U.S.DepartmentofAgriculture,SoilConservationService,TechnicalWatersheds,Washington,DCFApril1973.14~StateofNewJersey,DepartmentofEnvironmentalProtection,DivisionofWaterResources,incooperationwiththeU.S.GeologicalSurvey,SpecialReport30,~ccnitudeand~FrecuencofFloodsinNewbernewithEffectsofUrbanizationbyStephenJ.Stankowski,Trenton,NewJersey,1974~26
15,U.S.DepartmentofCommerce,FederalHighwayAdministration,Runoff~~EstimatesforSmallRuralWatersheds,washington,D.C.,October1977.16.U.SDepartmentoftheZnterior,GeologicalSurvey,Water-SupplyPaper1677,~Manitudeand~Frex~encofFloodsintheUnitedStates,Part4.StLawrenceRiverBasinbyS.WWiitala,Washington,D.C.,1965~17.U.S.DepartmentofCommerce,BureauofPublicRoads,PeakRatesofRun-offfromSmallWatersheds,Washington,D.C.,October1977~18'SArmyCorpsofEngineers,DetroitDistrict,~ReortonGreatLakesm'-'19.U.S.armyCorpsofEngineers,HydrologicEngineeringCenter,HEC-2WaterSurfaceProfiles,Generalized~Comter~ProramD,avis,California,October.1973.~Ma)~in,Scale1:4,800,ContourZnterval5Feet:TownofScriba,NewYork.U.S-DepartmentoftheZnterior,GeologicalSurvey,7.5MinuteSeriesNewYork,1956'swegoEast,NewYork,1954'exas,NewYork,1955;WestofTexas,NewYork,1955.22.FederalEmergencyManagementAgency,FederalZnsuranceAdministration,FloodZnsuzanceStudy,TownofO~eceo,~osweo~Count,NewYork(Unpublished)~23.FederalEmergencyManagementAgency,FederalZnsuranceAdministration,PipedZnsuzanceStu(g,TownofNewHaven,~osweo~Count,NewYork(Unpublished)~24.FederalEmergencyManagement.Agency,FederalZnsuranceAdministration,FloodInsuranceStudy,TownofV~olne,~osweo~Count,NewYork(Unpublished)~25.FederalEmergencyManagementAgency,FederalZnsuranceAdministrationfFloodInsuzance~Stud,Townof~Grant,~osweo~Count,NewYork(Unpublished)~26.FederalEmergencyManagementAgency,FederalZnsuranceAdministrationf(Unpublished)~27
27.FederalEmergencyManagementAgency,FederalInsuranceAdministration,FloodZnsuranceStudy,Townof~Lsander,~Osweo~Count,NewYork(Unpublished)~28.FederalEmergencyManagementAgency,FederalInsuranceAdministration,FloodZnsuranceStu(2Z,~Citofpulton,~osweoCoun~,NewYork(Unpublished)~NewYorkStateDepartmentofTransportation,75MinuteSeriesPlanimetric~MasfScale1:24,000,ContourInterval10Feet:NewHaven,SecondEdition,1975>OswegoEast,SecondEdition,1975;Texas,SecondEdition,1975;WestofTexas,SecondEdition,1975~OswegoCountyDepartmentofpublicWorks,~Naof0~seeo~Count,NewYork,Scale1InchEcpxals2Miles,TheNationalSurvey,Chester,Vermontf19'74~theEEC-2~EzideRoutines,~TraininDocumentNo.6,Davis,California,June1974mU.S.llrmyCorpsofEngineers,EydzologicEngineeringCenter,~FloodwaDetezminationU~sinComputerProrramSEC-2,~TzaininDocumentNo.5,Davis,California,May1974-U.S.~YCorpsofENgineers,southatlanticDivision~yzoodwa~esicenConsiderations,September1978~U.SDepartmentoftheInterior,GeologicalSurvey,Bulletin68,CharacteristicsofNewYorkLakes,part1,Gazetteeroflakes,PondsandReservoirsbyP~E.GreesonandF.LRobi.nson,washington,D.C.,1970~StateofNewYork,Scale1:500,000,Reston,Virginia,1975~28
ICCIOIalIL'JjRK266IOLljOg280276270265SIXIYEARFLOOD100YEARFLOOD60YEARFLOOD10YEARFLOODSTREAQSEDCROSSSECTIONLOCATION27S270OZoK172oQoCO~U.wOoKOI-16.016.617.017.6IILO~IIL610.011.6.20.020.621A)STREAMDISTANCEINTHOUSANDSOFFEETABOVECONFLUENCEWITHLAKEONTARIOOlP
40labao5290ICRClVOUJO~286oIJ285O2152102652I.O21.622.023.624.02i.s25025$STREAMDISTANCEINTHOUSANDSOFFEETABOVECONFLUENCEWITHLAKEONTARIO28AILEOEND500YE'ARFLOODI00YEARFLOOD50YEARFLOOD10YEARFLOODSTREAMBEDCROSSSECTIONLOCATION216h.5<<te'8Cbo~oE3oCOug8~$g02P
a0Z340ICAlsdika0ChCI~eJIhIIII2:CJIIJzg3350I1.602.002.fi03.00STREAMDISTANCEINTHOUSANDSOFFEETABOVECORPORATELIMITSS00YEARFLOODl00YEARFLOOD00YEARFLOODI0YEARFLOODSTREAMBEOCROSSSECTIONLOCATION32S0Z;us~<o'3u)U-eogDoxjZ.CC903P 0
7ILIWCh~aa330I~326OI31531011.816.21&.61$.0HL418.811.2IsaIILOSTREAMDISTANCEINTIIOUSANDSOFFEETABOVECONFLUENCEWITHLAKEONTARIO'IIL1LEOEND600YEARFLOOD100YEARFLOOD60YEARFLOOD10YEARFLOODSTREAMBEOCROSSSECTIONLOCATION315uO2o~c)o,<oo<nQofjo04P'
'~<hI'4350IILCRce4leg3ISILEGEND600YEARFLOODl00YEARFLOOD80YEARFLOOD10YEARFLOODSTREAMSEDCROSSSECTIOtlLOCATIONuZ4ZOlog<<ulzus),U-ea4-'o<<;PlJwcI-IIL418.8I9219.820.020ASTREAMDISTANCEINTtIOUSANDSOFFEETABOVECONFLUENCEWITHLAKEONTAttiO05P 0
216210al5K265I2152204AI@ilasCCOChcoalIk)CIllDiI2:CJg2600I92662452400.601.60~2AO2.603.003.604QSTREAMDISTANCEINTHOUSANDSOFFEETABOVECONFLUENCEWITHLAKEONTARIOLESEND600YEARFLOOD100YEARFLOOD60YEARFLOOD10YEARFLOODSTREAMSEOCROSSSECTIONLOCATION)I$Zpg<<Cill'$O)~45oVl~~
Ql~458ChC5CIIAuV-285Ig280I275270255500YEARFLOOD100YEARFLOOD50YEARFLOOD10YEARFLOODSTREAM8EDCROSSSECTIONLOCATION27627020uo8.00~8.508.00Q,5010410.5STREAMDISTANCEINTHOUSANDSOFFEETABOVECONFLUENCEVIITIILAKEONTARIO12.0
326325~Ale~keCS0hClaIMIILLJClla5315IW315z310OI310O12.513.0ILO<N.616.016.6IS.OIIL617.6LEGENDQOYEARFLOOD100YEARFLOOD60YEARFLOOD10YEARFLOODSTREAMSEDCROSSSECTIONLOCATION16.4STREAMDISTANCEINTHOUSANDSOFFEETABOVECONFLUENCEWITHLAKEONTARIO08P k
eI210210~OlallpgaC5CN'5CSClIhSCO255IWILg260I2552452400.20OAO0.50e'.801.001.20IAO1.601.80STREAMDISTANCEINTHOUSANDSOFFEETABOVECONFLUENCEWITHLAKEONTARIO6.2.20LEOEND-SOOYEARFLOOD100YEARFLOOD50YEARFLOOD10YEARFLOODSTREAMBEOCROSSSECTIONLOCATIONQAOP.OOy$cCOTaill>~o 0
C40illIkOYIIJZ280I~IL280Cl~baUUOz276oI276270286LEOEND500YEARFLOOD100YEARFLOOD50YEARFLOOD10YEARFLOODSTREAMBEO270265OZR.SO2o<<C'Eo)~uoC77oOg)2'.3.40,3.603.80i.004.208AOSTREAMDISTANCEINTHOUSANDSOFFEETABOVECONFLUENCEWITHLAKEONTARIOCI.CROSSSECTIONLOCATION1DP 0
ChILCJOCCOMMO290g2860276276210600YEARfLOOOIOOYEARfLOOO60YEAAfLOOOIOYEARFLOODSTAEALISEOCAOSSSECTIONLOCATION6.20SAO6.00I0.200.406.600.80MOTAOMOSTREAMDISTANCEINTHOUSANDSOFFEETABOVECONFLUENCEWITHLAKEONTARIO11P 0
3103IOOl~al~a4~40ClCCOIKDz3000I286LEOEND500YEAhFLOODI00YEAhFLOOD50YEAhFLOODI0YEARFLOODSTREAMBEOCROSSSECTIONLOCATION285rOIIIh.5~z~OoCll'+z)U-csB.q08.20BAO8.60'80NO8.20)QAO8.80STREAMOLSTANCEINTHOUSANDSOFFE'ETABOVECONFLUFNCEWITHLAKEQNTARIO8.80IBAD12P
~S255~tlle~sCS0ChCSlaz2500I2150.20OAO'.500.801.001.201AOSTREAMOISTANCEINTHOUSANDSOFFEETABOVECONFLUENCEWITHLAKEONTARIO600YEARFLOOO100YEARFLOOD60YEARFLOOD10YEARFLOOOSTREAMSEOCROSSSECTIONLOCATION246go)-h.8IJugOoWQaIL13P
'
VlCS276tlK210276UJLJJ2Cz266052.00c2.202AO2.60STREAMDISTANCEINTHOUSANDSOFFSETABOVECONFLUENCEWITHLAKEONTARIOLEGEND600YEARFLOODI00YEARFLOOD50YEARFLOODlDYEARFLOODSTREAMBEDCROSSSECTIONLOCATIONuZoI0~~6OoDH0OIIIIL~
~~4lE(I COMMUNITY-PANELNUMBERboFBLakectbu~')TributaryNo.iLokeuiewCreek0--liLT3606630005BiCONRAIL.co.--,-RPI>>QiQtoaLIn0002alN(BlackCreekTributaryNo.8000ciBlackCreekTributorYNo.9OAOQlbyt00b'bitdVnPONDTHISAREAOFTHECOMMUNITYISSHOWNASINSETAONPANEL36066300058n0',Z.36066300108FuddyPood)TritutanPCROOLLB~PONDDeerRldeeCreek,TrbutaryPADDY,PONDviPaddyCreekVa~axNATIONALFLOODINSURANCEPROGRFIRMFLOODINSURANCERATEMATOWNOFSCRIBA,NEWYORKOSWEGOCOUNTYPHINTED,JUFI3089TIEYYBERRYGDAVISPRCI:RTUBE~ARD.9ocketOESQ.+'oofrclWUC'If~otl~Omeg/~ofOocilmeiihR."O'ULATORYROCKETFILEMAPINDEXPANELSPRINTED.5,10PROOF!SEPT16,1982COMMUNITY-PANELNUMBERS3606630001-0010EFFECTIVEDATE:federalemergencymanagementagencyfederalinsuranceadministration ELEVATIONREFERENCEMARKSELEVATIONREFERENCEMARKSTHECORPORATELIMITSHAVEBEENSHOWNOFFSHOREFORCLARITY.THEACTUALCORPORATELIMITSCOINCIDEWITHTHESHORELINE.'ORPO'R(kTEKEYTOMAP500-YearFloodBoundary-100-YearFloodBoundary-ZoneDesignations*ZONEA0ONEC0ZHALL'IGAOINSETATHECORPORATELIMITSHAVEBEENSHOWNOFFSHOREFORCLARITY.THEACTUALCORPORATELIMITSCOINCIDEWITHTHESHORELINE.REFERENCEMARKELEVATIONINFT.(NGVD)RM1270.32RM2255.43RM3272.11RM4252.07RM5274.67RM6284.47RM7270.75RM8274.04INationalGeodeticVerticalDatumof1929DESCRIPTIONOFLOCATIONSoutheastcornerofconcretecurbattheAA.FitzpatrickNuclearPowerPlant,approximately250feetsouthofLakeOntanoChiseledsquarecutinnorthwestcornerofdockofPrivateRoadbridgeoverLycommgCreek,locatedapproximately1900feetnorthalongPrivateRoadfromEastLakeRoadmterssctidn,ChiseledsquarecutintapofnorthheadwallofEastLakeRr)adbridgeoverLycommgCreek,locatedapproximately700feetwestalongEastjakeRoadfromNineMilePointRoadintersection.ChiseledsquarecutintopofsoutheastcornerofsouthheadwallofPrivateRoadculvertoverLakewewCreek,locatedapproximatety1400feetnorthwestalongLa'keViewRoadfromintersectionofEastLakeRoadChiseledsquarecutintopofeastheadwallofParkhurstRoadculvertoverLycomingCreek,locatedapproximately1850feetsouthalongParkhurstRoadfromintersectionofEastLakeRoad.ChrsbledsquarecutintopofsoutheastwingwallofLycom-mg)RoadbridgeaverLycomingCreek,locatedapproxi-matrjtv2400feetsouthalongLycorningRoadfrominter-sectionofEastLakeRoad.Boltsetin40inchmapletreeonsouthsideofEastLakeRoadnearLakewewCreekcrossing,locatedapproximately300feetsouthwest.alongCliffRoadfrommtersectionofLakeViewRoadBoltsetin40inchmapletreeonnorthsideofCliffRoad,locatedapproximately300feetwestalongCliffRoadfromintersectionofEastLakeRoad.k(t(TSCOA"'OIIIE.A1(EL249)ZONECREFERENCEMARKRM9RM10RM11ELEVATIONINFT.INGVD)324.69306.54263.93DESCRIPTIONOFLOCATIONBottsetinutilitypole38onsouthsideofMinorRoadnearculvertoverLycomingCreek,locatedapproximately400feeteastalongMinorRoadfromimersectionofLycomingRoad.ChiseledsquarecutintopofsouthheadwallofCONRAILbndgeoverCliffRoadCreek,locatedapproximately2600feetwestalongCONRAILfromintersectionofLakeViewRoad.NailsetatintersectionofCONRAILandPnvsteRoad;locatedapproximately1900feetnorthwestalongPrivateRoadfromintersectionofNorthRoadRM12RM13321.91354.54ChiseledsquarecutintopofsouthheadwallofMiddleRoadculvertoverWalkerCreek.locatedapproximately1600feetwestalongMiddleRoadfromintersectionofCreameryRoad.BoltsetinutilitypoleN.M125onnorthsideofStateRoute104culvertoverWalkerCreek,locatedapproxunstety450feeteastalongStateRoute104fromthemtersectionofCreameryRoad1NationalGeodeticVerticalDatumof1929PRIVATE~ROAD)ADLAI1.Ezg,tNay'RIVATEROADLakeviewCreekZONEC'BZONEA1'ZONEA1LIMITOFDETAILEDSTUDYYZONEAi.ZONCZONEA26.'ZONE8(EL249)12490254OyQOONE..A20'799,g'+BONEA1266)~~nhtLERPARKROAD0'P9RIVATEwo1RMwsROAD27.27CLIFFRQAD,.ZONF00T6EiI0GErF,yZONEC///,/ZONE/BWg/pXRO/OZOEB2)gZON656.ONE(IprO/A~O~ROADZONECMINORWRM1~ACCESROADJLACCESSR~QOJO0D0RM2ZONEA3~nZONECc+0mra'e22~io~~ZONEA3'~ho2~5266)022--PBJVAT6A,STsZOZONE'A2:"JAFitzpatrickNuclearPowerPlant'NEZONE.ONECZONEBORM6ONEC+fZONE,C',p+.t.rZONE.BZONEA5'ZONE,NECupZONEC2/O7NEA'00ZONEA2~EbbZONEB3(SRRDAO~324MIN42R929IMITOFDETAILEDSTUDY~RODn0zlz!m,2100-YearFloodBoundary-'"'::",2E,IPJE,500-YearFloodBoundary-BaseFloodElevationLineWithElevationlnFeet**BaseFloodElevationinI-eetWhereUmformWithinZone**513(EL987)RM7>(ElevationReferenceMarkZone0Boundary-RiverMile~M1.5*NReterencedtotheNationalGeodeticVertiralDatunlof1929*EXPLANATIONOFZONEDESIGNATIONSZONEEXPLANATIONAreasof100-yearflood;basefloodelevationsandfloodhazardfactorsnotdeterminedAreasof100-yearshallowfloodingwheredepth'rebetweenone(I)andthree(3)feet;averagedepthofinundaaionareshownbutnofloodhazardfactorsaredetermined.Areasof100-yearshallowt)oodingwheredepthsarebetweenone(1)andthree(3)feet;basefloodelevationsareshown,butnofloodhazardfactorsaredetermined.Areasof100.yearflood;basefloodelevationsandfloodhazardfactorsdetermined,Areasof100-yearfloodtobeprotectedbyfloodprotectionsystemunderconstruction;basefloodelevations2ndfloodhazardfactorsnotdetermined.Areasbetweenlimitsafthe100-yearfloodand500-yearflood;orcertainareassubjectto100-yearflood-ingwithaveragedepthslessthanone(1)footorwherethecontributingdrainageareaislessthanonesquaremile;orareasprotectedbyleveesfromthebaseflood.(Mediumshading)Areasofminimalflooding.(No'shading)Areasofundetermined,butpossibte,floodhazards.Areasof100-yearroastalfloodwithvelocity(waveaction);basefloodelevationsandfloodhazardfactorsnotdetermined.'reasof100-yearcoastalfloodwithvelocity(waveaction);basefloodelevationsandfloodhazardfactorsdetermined.NOTESTOUSERAOAHA1-A30A99CDVV1-V30Certainareasnotinthespecialfloodhazardareas(zonesAandV}maybeprotectedbyfloodcontrolstructures.Thismapisforfloodinsurancepurposesonly;itdoesnotneces-arilyshowzltareassubjecttoftoodinginthecommunityorpllplznimetricfeaturesoutsidespecialfloodhazardareas.Foradjoiningmappanels,seeseparatelyprintedIndexToMapPanels.INITIALIDENTIFICATION:FLOODHAZARDBOUNDARYMAPREVISIONS'LOODINSURANCERATEMAPEFFECTIVEstILOODINSURANE5RhlIMAPRFVISIONSZONEA2/ONEB,/ZONEA1(EL249l..',ZON/ZONEA2~NpppLIMITOFDETAILEDSTUDYRM1000g.ZONECPU}9oZONEA1~4(Et.249)wrZONECZONEZNEA1,qcQiNORTHROAOZONECQiRefertotheFLOODINSURANCERATEIVIAPEFFECTIVEdateshownonthismaptodeterminewhenactuarialratesapplytostructuresinIhezoneswhereclevationsordepthshavebeenestablished,Todetermineiffloodinsuranceisavailableinthiscommunity,contactyourinsuranceagent,orcailtheNationalFloodinsuranceProgram,at(800)6386620Qrr.pit-CO1000APPROXIMATESCALE01000FEET0@NATIONALFLOODINSURANCEPNOUNANIMIDDLEZONEC~ee4ROAD~3"ZONECZONEA2p.ZONEIlBLIMITOFjRM.DETAILEDSTUDY+1234ZONEA49N.sZONEBZONEBZONEA5..'EwraZONEBZONEB'21ZONECWalkerCreek330MIDDLEROADPANEL6OF10(sEENMAIINDExFoRPANEL6a)DTPRINTED)FLOOOINSURANCERATEINAPFIRNTOWNOFSCRIBA,,NR%'YQRKOSWEGOCOUNTY'ZONEBPRlVATE3(i1Vl,ZONEA20TBAIOGE>06355LIMITOFDETAILEDSTUDYQapZONECPRgCgRoICCI(lTCI0OIUCCgmg+U-16-',UUCNEIPILEUEUU$1PROOFSEPT1611982CDNIIIUIIITY-PAIIEI.IIIUNBER3606630005l3'FFECTIVEDATE:I'/FederalEmergencyManagementAgency,DEWBERRY&CcEFRAME.
g//.0QQ000ou38ZONEA1ZONEA4XRM'168--UxZTERN/dzOSIIVEZONEBRM14n.Ptarv/oR-:-"Z//wUEPRIvATE,ORZ/ZONEBOIZONEBPRIVATEROADZONE.RO40ZONECZONEBr'LZPNNI'aI14+.LIMITOFDETAILEDSTUDY,,OI/Ui/p/UiII...RIUATE'lp~'ONtECr"ZONEA"',0RoZONEA/0:RoZONEB4A~niVA~EPRIVATElDRIVEPRIVATEi0RIVF.',0'iO@74x/i9'40//ZONECI'>icic,0')clljrn00tk)WZONEAL'.-040Q4IlnROADWHITTEMOREI,'ih0I)m2'iloROADZONEC,/tvl2,ZONECZONEA'0umm10,I0CONNERROAZOIROAD00310073xmZONEi',ZONEAh,sl,R-u"'0z002zz'mz'0ZmZrnm02ZmIct000tcKEYTOMAP'"ZOFEE8'00YearFloodBoundaryZoneDesiznationseWithDateofIdentificatione.g.,12/2/74100YearFloodBoundary500-YearFloodBoundary-513~BaseFloodElevationLineWithElevationInFeeteeBaseFloodElevationinFeetWhereUniformWithmZoneveElevauonReferenceMarkRiverAgile(EL987)RM7x~M1.5eeReferencedtotheNationalGeodeticVerticalDatumof1929"EXPLANATIONOFZONEDESIGNATIONSZONEEXPLANATIONAreasof100-yea(flood;basefloodeievationsandfloodhiltardfactorsnotdeterminedAreasof100-yearshallowfloodingwheredepthsarebetweenone(I)andthree{3)feet;averagedepthsofinundationareshown,butnofloodhazardfactor.aredetermined.Areasof100-yearshallowfloodingwheredepthsxgarebetweenone(I)andthree(3)feet;basefloodelevationsareshown,butnofloodhazardfactorsaredetermined.Areasof100yearflood.basefloodelevationsfloodhazardfactorsdetermined,Areasof100.yearfloodtobeprotectedbyfloodprotectionsystemunderconstruction;basefloodelevationsandfloodhazardfactorsnotdeterminedAreasbetweenlimitsoftheI'00-yearfloodand500.yearflood;orcertainareassubjectto100-yearflood-ingwithaveragedepthslessthanone(I)footorwherethecontributingdrainageareaislessthanonesquaremile;orareasprotectedbyleveesfromthebaseflood.(Mediumshading)Areasofminimalflooding.(Noshading)Areasofundetermined,butpossible,floodhazavc.Areasof100-yearcoastalfloodwithvelocity(waveaction);basefloodelevationsandfloodhazardfactorsnotdetermined.Areasof100-yearcoastalfloodwithvelocity(traveaction);basefloodelevationsandfloodhazardfactorsdetermined.AOAHAI-A30A990DVVI-V30NOTE5TOUSERCertainareasnotinIhespeciallioodirarardas(zoIsAaidV)maybcprotectedbyfloodcontrolstructures.Thismapisforfloodinsuran,purposesonly;itdoesnorneces-sarilyshowallareas.subicrstoilomlingrnIhecommunityorallplanimetricfeaiurgzdutsidcspecialfloodhaardareasForadloiningrnaPI>anclsf%vcl,trulclydIndextriMaPPanels.INITIALIDENTIFICATION:FLOODHAZARDBOUNDARYMAPREVISIONSFLOODINSURANCERATEMAPEFFECTIVEFtODDINSURANCERATEMAPREVISioNS;ZONEAITGIl',0H.04'291xRM17ZONECZONEB',,ZONEA4RIDGEZONEBROAO'IS4,$.7IPRIVATEDRIVEDEERPRIVATEROAD%~""-."l.ROdRiorRPO0vyROADZONECFROIZONEAÃ0vtir'Oi2IIZONEC1404(c'BI@oi;ZONEAr74)DZPOZONECIrToraAsCree/yP,I..Oq,vI'"0,'ONECROAOxh0ZONEARefertotheFJDODINSURANCERATEMAPEFFECTIVEdateshownonthismaptodeterminewhenactuarialratesapplytostructuresinthe'oneswhereelevationsordepthshavebeenestablished.TodetermineiffloodinsuranceisavailableInthiscommunity,contactyourinsuranceagent,orcalltheNationalFloodInsuranceProgramat(600)6364I620.APPROXIMATESCALE1000000FEEINATIONALFLOODINSURANCEPROGRAM298ZONERM18I;ZONECZONEBDeerRidgeCreekTn/nrraryZONEBCOF(PORATEL.ZONEAL'AZONE'2A.;fz'egZONECioIIPIloZZONEA'9o0ZONEACORPORATELIMITSZONECZONEIAFI.OODINSURANCERATEMAPTOWNOF8CRIBA,NEWYORKOSWEGOCOUNTYREFERENCEMARKRM14RM15RM16RM17RM161.,NeroELEVATIONINFT,(NGVD)337.74342.99370.73309.74305.30oueticVerticalDatumof1929ELEVATIONREFERENCEMARKSintersectionofCityLmeRoad.Boltsetmutdrtvpole51onnorthsrdeofHailRoasatla/meCrIocaiedapproximately3300feete;.talongHailRoadfromntrrsecuotofCityLineRoarStandardUSLSdisk,stampedOS71935,setmwestendofwirldovvsiIutnorthsofPaqeMernonaiChapel,locatedastsrtofQlditateRoute57sole6050onwestsideof()IdStateRoute67,ioratedapproximately1500feetnorthalongOldStateRoutq57frommiersectionofDeerIPKnailsetinuulrtypole156onrestsideofIIStateRoute57,hiedapproximaieiy2'I00feetsouthalong0dStateRoute57frommtersectronofDterRdgeRoad.DESCRIPTIONOFLOCATIONBaitsetmupoleN.M'IonBelchDove,Ircatedapproxmately450feeteastalongBelchDnvPKnailsetnutnRrdgeRoadPRCXPERTU~F-C~IID0-""TIooVif'~AT)oO~o~mOO%~11fttQLoeo1OO1DO<IREEPANEL10OF10'(SEEMAPINDEXFORPANELSNOIPRINTED)PROOFSEPT1611982CDMMUItITYPANELNUMBER3606630010BEFFECTIVEDATE:federalemergencymanagementagency