Department of Water Resources California Levee Database (CLD) An ongoing Initiative to Collect and...
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![Page 1: Department of Water Resources California Levee Database (CLD) An ongoing Initiative to Collect and Catalog Data for California’s Levees and Flood Control.](https://reader036.fdocuments.us/reader036/viewer/2022062802/56649e965503460f94b9a40a/html5/thumbnails/1.jpg)
Department of Water ResourcesDepartment of Water ResourcesCalifornia Levee Database (CLD)California Levee Database (CLD)
An ongoing Initiative to Collect and Catalog An ongoing Initiative to Collect and Catalog Data for California’s Levees and Flood Control Structures Data for California’s Levees and Flood Control Structures
byby
Floodplain Management Branch.Floodplain Management Branch.
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Purpose Purpose ““Better Understanding of and Reducing Better Understanding of and Reducing
Risks from Reasonably Foreseeable Risks from Reasonably Foreseeable Flooding” (Floodplain Management Flooding” (Floodplain Management Task Force Report)Task Force Report) Levees play critical role in the StateLevees play critical role in the State Levee risk not well knownLevee risk not well known
Influenced by Paterno decisionInfluenced by Paterno decision Greater political focusGreater political focus
Other potential usesOther potential uses Mapping, project planningMapping, project planning Inspections, maintenanceInspections, maintenance Emergency managementEmergency management Critical infrastructureCritical infrastructure
National interest in projectNational interest in project USACEUSACE FEMAFEMA
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Fundamental BenefitsFundamental Benefits
Database definition of a levee (core attributes)Database definition of a levee (core attributes)
Current and searchable statewide inventoryCurrent and searchable statewide inventory
Centralize data storageCentralize data storage
Establishment of unique identification of flood Establishment of unique identification of flood control segments and systemscontrol segments and systems
Provide framework for management of related Provide framework for management of related informationinformation
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HistoryHistory 1997 initial centerlines were created through 1997 initial centerlines were created through
the combined efforts of the combined efforts of USACEUSACE FEMAFEMA OESOES
2005 2005 Initial data collection with funding from Initial data collection with funding from DWR & FEMADWR & FEMA Technical Resource Pilot Project Technical Resource Pilot Project
(Santa Clara)(Santa Clara) 2006 2006
Historic geotechnical boring location collectionHistoric geotechnical boring location collection Web application developmentWeb application development Technical Resource data collectionTechnical Resource data collection Continued data collectionContinued data collection Interagency coordinationInteragency coordination
20072007 Data sharing managementData sharing management NLD/MLI Data integration/model NLD/MLI Data integration/model
developmentdevelopment Web application developmentWeb application development Technical Resource data collectionTechnical Resource data collection
20082008 Web application developmentWeb application development Attribution data collectionAttribution data collection
20092009 Align with NLD data modelAlign with NLD data model Integrate data from FEMA MLIIntegrate data from FEMA MLI Project levee attribute refinementProject levee attribute refinement
20102010 Non-project levee data collectionNon-project levee data collection ArcServer Web viewer (CLASIS)ArcServer Web viewer (CLASIS) CVFED, SPFC, CVFPP supportCVFED, SPFC, CVFPP support SPFC footprint refinementSPFC footprint refinement NULE document integrationNULE document integration
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Initial Data SourcesInitial Data Sources Office of Emergency Service (OES)Office of Emergency Service (OES) DWRDWR
Project leveesProject levees Delta leveesDelta levees
USACEUSACE Comprehensive StudyComprehensive Study
FEMAFEMA FIRMsFIRMs DFIRMsDFIRMs FLISFLIS
Local agenciesLocal agencies Cities, countiesCities, counties Flood control districtsFlood control districts Reclamation districtsReclamation districts Levee maintenance districtsLevee maintenance districts
Public mapsPublic maps USGS 7.5 min topoUSGS 7.5 min topo USGS digital orthophotoUSGS digital orthophoto Other maps, aerial photosOther maps, aerial photos GoogleGoogle
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Levee Database DesignLevee Database Design
Data stored at CDEC on a Unix serverData stored at CDEC on a Unix server
DWR’s Levee Database is stored in an Oracle 10g DWR’s Levee Database is stored in an Oracle 10g Relational Database Management System (RDBMS)Relational Database Management System (RDBMS)
Access to spatial features is conducted via ESRI’s ArcSDE Access to spatial features is conducted via ESRI’s ArcSDE (Spatial Data Engine)(Spatial Data Engine)
Users interface spatial and tabular data through CLASIS Users interface spatial and tabular data through CLASIS (web based mapping website) or directly through ESRI’s (web based mapping website) or directly through ESRI’s ArcMap softwareArcMap software
Technical Specification
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Database ManagementDatabase Management
CLD managed by Floodplain Management BranchCLD managed by Floodplain Management Branch
Current and previous CLD versions are stored at CDECCurrent and previous CLD versions are stored at CDEC
Periodic updates being sent to CDEC loading into the master Periodic updates being sent to CDEC loading into the master Oracle databaseOracle database
Access is maintained through CDEC Access is maintained through CDEC
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AccomplishmentsAccomplishmentsAccomplishmentsAccomplishmentsNLD Surveyed Levee Centerlines IncludedNLD Surveyed Levee Centerlines Included
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Using the same data model as NLD and MLIUsing the same data model as NLD and MLI
Coordinated with FEMA and USACE to data shareCoordinated with FEMA and USACE to data share
Developed process, procedures & scripts for importing and exporting Developed process, procedures & scripts for importing and exporting data between the NLD & CLDdata between the NLD & CLD
Created schedule for data exchange between agenciesCreated schedule for data exchange between agencies
Levee Data Model Interagency Design Levee Data Model Interagency Design CollaborationCollaboration
AccomplishmentsAccomplishmentsAccomplishmentsAccomplishments
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Work with DWR Northern District and CVFPP to determine SPFC Work with DWR Northern District and CVFPP to determine SPFC footprintfootprint
Coordinated USACE to ensure both agencies are in agreementCoordinated USACE to ensure both agencies are in agreement
Developed process, procedures & scripts for importing and exporting Developed process, procedures & scripts for importing and exporting data between the NLD & CLDdata between the NLD & CLD
Submitted changes and recommendations to CVFPP for approval by Submitted changes and recommendations to CVFPP for approval by DWR legal and the Central Valley Flood Protection BoardDWR legal and the Central Valley Flood Protection Board
State Plan of Flood Control (SPFC)State Plan of Flood Control (SPFC)
AccomplishmentsAccomplishmentsAccomplishmentsAccomplishments
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Work with counties/agencies outside the Central ValleyWork with counties/agencies outside the Central Valley
Collect information on levees and levee-like structuresCollect information on levees and levee-like structures
Improve data and fill-in blanks in the databaseImprove data and fill-in blanks in the database
Establish relationships with agencies for exchange of dataEstablish relationships with agencies for exchange of data
Improve levee alignment of non-project leveesImprove levee alignment of non-project levees
Data Collection for Non-Project LeveesData Collection for Non-Project Levees
AccomplishmentsAccomplishmentsAccomplishmentsAccomplishments
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Integrate data from MLI in to the CLDIntegrate data from MLI in to the CLD
Adjust/Improve alignments of non-federal leveesAdjust/Improve alignments of non-federal levees
Integrate data about certification and accreditationsIntegrate data about certification and accreditations
Include information about Provisionally Accredited Levees (PAL)Include information about Provisionally Accredited Levees (PAL)
Refine data exchange process to streamline data transfer Refine data exchange process to streamline data transfer
Integration of FEMA Integration of FEMA Midterm Levee Inventory (MLI)Midterm Levee Inventory (MLI)
AccomplishmentsAccomplishmentsAccomplishmentsAccomplishments
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California Levee and Stream Information California Levee and Stream Information System (CLASIS)System (CLASIS)
AccomplishmentsAccomplishmentsAccomplishmentsAccomplishments
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Import documents collected for ULE/ NULE programs into the CLDImport documents collected for ULE/ NULE programs into the CLD
Link documents to levee segmentsLink documents to levee segments
Allows documents to be searched by levee segmentAllows documents to be searched by levee segment
Actual documents can be viewed through media tableActual documents can be viewed through media table
Integration of NULE Research DocumentsIntegration of NULE Research Documents
AccomplishmentsAccomplishmentsAccomplishmentsAccomplishments
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Active Use of CLDActive Use of CLD
Several Projects are using data from the CLD or data Several Projects are using data from the CLD or data collected in conjunction with the levee database effort:collected in conjunction with the levee database effort:
USACE NLDUSACE NLD FEMA MLIFEMA MLI DWR Urban levee program (ULE)DWR Urban levee program (ULE) DWR Non-Urban levee program (NULE)DWR Non-Urban levee program (NULE) Central Valley Floodplain Evaluation and Delineation Central Valley Floodplain Evaluation and Delineation
Program (CVFED)Program (CVFED) Central Valley Flood Protection Plan (CVFPP)Central Valley Flood Protection Plan (CVFPP) State Plan of Flood Control (SPFC)State Plan of Flood Control (SPFC) Non-project levee data collection outside central valleyNon-project levee data collection outside central valley
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Proposed ActivitiesProposed Activities Use as an emergency management tool during flood Use as an emergency management tool during flood
eventsevents Use as base for levee related document managementUse as base for levee related document management Coordinate with FEMA RiskMAP programCoordinate with FEMA RiskMAP program Outreach to other State departments and the publicOutreach to other State departments and the public Web mapping application refinement Web mapping application refinement Integrate borehole information from ULE/NULEIntegrate borehole information from ULE/NULE Work with USACE Silver Jackets ProgramWork with USACE Silver Jackets Program Define data sharing policies and finalize agreement Define data sharing policies and finalize agreement