View In:   ArcGIS Online Map Viewer

Name: Stormwater Vulnerability Index

Display Field: STATEFP

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: <DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>County-wide vulnerability index for Thurston County Stormwater division. Indicators include: impervious surface area (Impervious); percent of parcels with structures in flood zone (PctFldPlai); percent of land area in flood zone (PctFldHz); percent residential parcels (PctResPrcl); percent commercial parcels (PctComPrcl); and percent industrial parcels (PctIndPrcl). </SPAN></P><P><SPAN>Spatial Reference: NAD_1983_HARN_StatePlane_Washington_South_FIPS_4602_Feet</SPAN></P><P><SPAN>Percent imperviousness within each Thurston census block group (Impervious) determined using Zonal Statistics as table where NLCD 2019 developed impervious data (mask extracted by Thurston census blocks) was the input value raster and 2018 Census block groups from US Census Bureau was the zone data. The 'mean' statistic represents percent imperviousness within each census block. View reference information for NLCD database here: https://www.mrlc.gov/data/legends/national-land-cover-database-2019-nlcd2019-legend</SPAN></P><P><SPAN>Percent of parcels with structures in flood zone (PctFldPlai) was determined using FEMA flood zone data and Thurston parcels from Thurston Geodata. Land-only parcels were excluded from this analysis. Retrieved 12/23/21 from https://msc.fema.gov/portal/downloadProduct?productTypeID=NFHL&amp;productSubTypeID=NFHL_COUNTY_DATA&amp;productID=NFHL_53067C and 12/22/21 from https://gisdata-thurston.opendata.arcgis.com/datasets/thurston-parcels/explore?location=46.971500%2C-122.701000%2C10.92</SPAN></P><P><SPAN>Percent of land area in flood zone (PctFldHz) was determined using FEMA flood zone data. Retrieved 12/23/21 from https://msc.fema.gov/portal/downloadProduct?productTypeID=NFHL&amp;productSubTypeID=NFHL_COUNTY_DATA&amp;productID=NFHL_53067C </SPAN></P><P><SPAN>Percent residential parcels (PctResPrcl) was determined using Thurston parcel data from Thurston Geodata. Retrieved 12/22/21 from https://gisdata-thurston.opendata.arcgis.com/datasets/thurston-parcels/explore?location=46.971500%2C-122.701000%2C10.92</SPAN></P><P><SPAN>Percent commercial parcels (PctComPrcl) was determined using Thurston parcel data from Thurston Geodata. Retrieved 12/22/21 from https://gisdata-thurston.opendata.arcgis.com/datasets/thurston-parcels/explore?location=46.971500%2C-122.701000%2C10.92</SPAN></P><P><SPAN>Percent industrial parcels (PctIndPrcl) was determined using Thurston parcel data from Thurston Geodata. Retrieved 12/22/21 from https://gisdata-thurston.opendata.arcgis.com/datasets/thurston-parcels/explore?location=46.971500%2C-122.701000%2C10.92</SPAN></P><P><SPAN>Each category was normalized and a z-score was calculated. Each indicator was then assigned a z-class (ZclasImpv, ZClasFldPl, and ZClasFldHz) according to its z-score. Z-scores between 1-2 received a z-class of "1" and z-scores greater than 2 received a z-class of "2". </SPAN></P><P><SPAN>Z-class scores were aggregated to obtain a composite vulnerability index score (CompVuln) with a potential range of 0-6. </SPAN></P></DIV></DIV></DIV>

Service Item Id: ce3a7b9105cb493280866ea92ca5980a

Copyright Text: Multi-Resolution Land Characteristics (MRLC) consortium, US Census Bureau,Thurston County, City of Olympia, City of Tumwater, University of Washington - Tacoma, FEMA, Thurston Geodata

Default Visibility: true

MaxRecordCount: 2000

Supported Query Formats: JSON, geoJSON, PBF

Min Scale: 0.0

Max Scale: 0.0

Supports Advanced Queries: true

Supports Statistics: true

Can Scale Symbols: false

Use Standardized Queries: true

Supports ValidateSQL: true

Supports Calculate: true

Supports Datum Transformation: true

Extent:

XMin: 1009631.7795941383
YMin: 578521.3683374822
XMax: 1063310.342512384
YMax: 633981.0923915654
Spatial Reference: 2927  (2927)  LatestVCSWkid(0)

Drawing Info:

Renderer:
Unique Value Renderer:
Field 1: CompVuln
Field 2: N/A
Field 3: N/A
Field Delimiter: ,
Default Symbol:
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Default Label: N/A
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Supports Query With Current User: true

HasZ: false

HasM: false

Has Attachments: false

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Type ID Field: CompVuln

Fields:

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• STATEFP ( type: esriFieldTypeString, alias: STATEFP, editable: true, nullable: true, length: 2, defaultValue: null, modelName: STATEFP )
• COUNTYFP ( type: esriFieldTypeString, alias: COUNTYFP, editable: true, nullable: true, length: 3, defaultValue: null, modelName: COUNTYFP )
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• GEOID ( type: esriFieldTypeString, alias: GEOID, editable: true, nullable: true, length: 12, defaultValue: null, modelName: GEOID )
• ALAND ( type: esriFieldTypeDouble, alias: ALAND, editable: true, nullable: true, defaultValue: null, modelName: ALAND )
• AWATER ( type: esriFieldTypeDouble, alias: AWATER, editable: true, nullable: true, defaultValue: null, modelName: AWATER )
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• Impervious ( type: esriFieldTypeDouble, alias: Impervious, editable: true, nullable: true, defaultValue: null, modelName: Impervious )
• PctFldPlai ( type: esriFieldTypeDouble, alias: PctFldPlai, editable: true, nullable: true, defaultValue: null, modelName: PctFldPlai )
• PctFldHz ( type: esriFieldTypeDouble, alias: PctFldHz, editable: true, nullable: true, defaultValue: null, modelName: PctFldHz )
• PctResPrcl ( type: esriFieldTypeDouble, alias: PctResPrcl, editable: true, nullable: true, defaultValue: null, modelName: PctResPrcl )
• PctComPrcl ( type: esriFieldTypeDouble, alias: PctComPrcl, editable: true, nullable: true, defaultValue: null, modelName: PctComPrcl )
• PctIndPrcl ( type: esriFieldTypeDouble, alias: PctIndPrcl, editable: true, nullable: true, defaultValue: null, modelName: PctIndPrcl )
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• ZScResPrc ( type: esriFieldTypeDouble, alias: ZScResPrc, editable: true, nullable: true, defaultValue: null, modelName: ZScResPrc )
• ZScComPrc ( type: esriFieldTypeDouble, alias: ZScComPrc, editable: true, nullable: true, defaultValue: null, modelName: ZScComPrc )
• ZScIndPrc ( type: esriFieldTypeDouble, alias: ZScIndPrc, editable: true, nullable: true, defaultValue: null, modelName: ZScIndPrc )
• ZClasImpv ( type: esriFieldTypeDouble, alias: ZClasImpv, editable: true, nullable: true, defaultValue: null, modelName: ZClasImpv )
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  GEOID: null
  ALAND: null
  AWATER: null
  INTPTLAT: null
  INTPTLON: null
  Shape_Le_1: null
  Impervious: null
  PctFldPlai: null
  PctFldHz: null
  PctResPrcl: null
  PctComPrcl: null
  PctIndPrcl: null
  ZScrImp: null
  ZScFldPln: null
  zscoFldHzd: null
  ZScResPrc: null
  ZScComPrc: null
  ZScIndPrc: null
  ZClasImpv: null
  ZClasFldPl: null
  CompVuln: 0
  
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  Impervious: null
  PctFldPlai: null
  PctFldHz: null
  PctResPrcl: null
  PctComPrcl: null
  PctIndPrcl: null
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  zscoFldHzd: null
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---

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Name: Medium-High
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  INTPTLON: null
  Shape_Le_1: null
  Impervious: null
  PctFldPlai: null
  PctFldHz: null
  PctResPrcl: null
  PctComPrcl: null
  PctIndPrcl: null
  ZScrImp: null
  ZScFldPln: null
  zscoFldHzd: null
  ZScResPrc: null
  ZScComPrc: null
  ZScIndPrc: null
  ZClasImpv: null
  ZClasFldPl: null
  CompVuln: 2
  
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---

ID: 3
Name: High
Domains:
Templates:
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  GEOID: null
  ALAND: null
  AWATER: null
  INTPTLAT: null
  INTPTLON: null
  Shape_Le_1: null
  Impervious: null
  PctFldPlai: null
  PctFldHz: null
  PctResPrcl: null
  PctComPrcl: null
  PctIndPrcl: null
  ZScrImp: null
  ZScFldPln: null
  zscoFldHzd: null
  ZScResPrc: null
  ZScComPrc: null
  ZScIndPrc: null
  ZClasImpv: null
  ZClasFldPl: null
  CompVuln: 3
  
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---

Capabilities: Query,Sync,ChangeTracking

Sync Can Return Changes: true

Is Data Versioned: true

Supports Rollback On Failure: false

Supports ApplyEdits With Global Ids: true

Supports OidReservation: true

Edit Fields Info:

• Creation Date Field: created_date
• Creator Field: created_user
• Edit Date Field: last_edited_date
• Editor Field: last_edited_user

Supports Query With Historic Moment: true

Supports Coordinates Quantization: true

Child Resources:   Field Groups   Contingent Values

Supported Operations:   Query   Validate SQL   Generate Renderer   Return Updates   Iteminfo   Thumbnail   Metadata   Update Metadata