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1.0
FALSE
StormwaterVulnerabilityIndex
002
0.000
1009631.779594
1063310.342512
578521.368337
633981.092392
1
Projected
GCS_North_American_1983_HARN
Linear Unit: Foot_US (0.304801)
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NAD_1983_HARN_StatePlane_Washington_South_FIPS_4602_Feet
20220908
11434800
20250116
13562600
150000000
5000
FGDC
Version 6.2 (Build 9200) ; Esri ArcGIS 10.7.1.11595
Thurston Stormwater Vulnerability Index
2021-12-26T00:00:00
Vulnerability index for Thurston County Stormwater division.
<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&productSubTypeID=NFHL_COUNTY_DATA&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&productSubTypeID=NFHL_COUNTY_DATA&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>
Multi-Resolution Land Characteristics (MRLC) consortium, US Census Bureau,Thurston County, City of Olympia, City of Tumwater, University of Washington - Tacoma, FEMA, Thurston Geodata
Environment
Impervious
Stormwater
Equity
Thurston
Census
Flood Risk
Environment
AMP
Action Mapping Project, Micah
University of Washington - Tacoma
Program Assistant
<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>Map features are approximate and have not been surveyed. Data may not align when viewed over imagery. The University of Washington Action Mapping Project GIS team assumes no liability for variations ascertained by actual survey. All data is expressly provided 'as is' and 'with all faults'.</SPAN></P></DIV></DIV></DIV>
1
-123.030572
-122.808844
47.048601
46.892093
Feature Class
0.000
dataset
EPSG
8.9.3(9.0.0)
28
Simple
FALSE
28
TRUE
FALSE
StormwaterVulnerabilityIndex
Feature Class
28
OBJECTID
OBJECTID
OID
4
10
0
Internal feature number.
Esri
Sequential unique whole numbers that are automatically generated.
Shape
Shape
Geometry
4
0
0
Feature geometry.
Esri
Coordinates defining the features.
STATEFP
STATEFP
String
2
0
0
COUNTYFP
COUNTYFP
String
3
0
0
TRACTCE
TRACTCE
String
6
0
0
BLKGRPCE
BLKGRPCE
String
1
0
0
GEOID
GEOID
String
12
0
0
ALAND
ALAND
Double
8
38
8
AWATER
AWATER
Double
8
38
8
Impervious
Impervious
Double
8
38
8
Shape_Le_1
Shape_Le_1
Double
8
38
8
ZScrImp
ZScrImp
Double
8
38
8
ZClasImpv
ZClasImpv
Double
8
38
8
PctFldPlai
PctFldPlai
Double
8
38
8
ZScFldPln
ZScFldPln
Double
8
38
8
ZClasFldPl
ZClasFldPl
Double
8
38
8
INTPTLAT
INTPTLAT
String
11
0
0
PctIndPrcl
PctIndPrcl
Double
8
38
8
INTPTLON
INTPTLON
String
12
0
0
PctFldHz
PctFldHz
Double
8
38
8
zscoFldHzd
zscoFldHzd
Double
8
38
8
ZScResPrc
ZScResPrc
Double
8
38
8
ZScComPrc
ZScComPrc
Double
8
38
8
ZScIndPrc
ZScIndPrc
Double
8
38
8
ZClasFldHz
ZClasFldHz
Double
8
38
8
PctResPrcl
PctResPrcl
Double
8
38
8
PctComPrcl
PctComPrcl
Double
8
38
8
Shape_Leng
Shape_Leng
Double
8
38
8
CompVuln
CompVuln
Double
8
38
8
created_user
created_user
String
255
0
0
Name of the user that created the record
City of Tumwater
Free form text field for the name of the user that created the record.
created_date
created_date
Date
8
0
0
Date the record was created.
City of Tumwater
date field for the date the record was created.
last_edited_user
last_edited_user
String
255
0
0
Name of the user that last edited the record.
City of Tumwater
Free form text field for the name of the user that last edited the record.
last_edited_date
last_edited_date
Date
8
0
0
Date the record was last edited
City of Tumwater
Date field for the date the record was last edited.
GlobalID
GlobalID
GlobalID
38
0
0
Auto Generated ID to differentiate the record in the geodatabase
City of Tumwater
Auto generated ID to differentiate the record in the geodatabase.
Shape.STArea()
Shape.STArea()
Double
0
0
0
The area of the record as calculated by the GIS software.
City of Tumwater
Number representing the area of the record as calculated by the GIS software.
Shape.STLength()
Shape.STLength()
Double
0
0
0
The length of the record as calculated by the GIS Software.
City of Tumwater
Number representing the length of the record as calculated by the GIS software.
20250116
Micah Gelber
University of Washington - Tacoma
Program Assistant