GIS Data Catalog
FEMA 500 Year Floodplain in King County
Learn how to use GIS Open Data 🗺
Summary
Provides the location of the pending FEMA 500-year floodplain (areas of 0.2% annual chance flood) plus areas with reduced risk due to levee.
This information is intended for informational purposes only, and should not be used for parcel level determinations.
Description
Provides the location of the FEMA 500-year floodplain (areas of 0.02% annual chance flood) plus areas wiht reduced risk due to levee.
Layer information
| Layer Name | fema_floodplain_500yr_area |
| Subject Category | Hydrography |
| Title | FEMA 500 Year Floodplain in King County |
| Feature Count | 2287 |
| Feature Type | Polygon |
| Next Update | As needed |
| Spatial reference | EPSG:2926 |
| Control ID | 2856 |
| Place Keywords | None |
| Theme Keywords | Floodplain, Flood, FEMA, Hydro, Rivers, Environment, Hazard, Environment |
| Supplemental Information | None |
Table Preview
Attribute information
|
OBJECTID
From Esri |
Description
Internal feature number. DomainSequential unique whole numbers that are automatically generated. |
|
FLD_AR_ID
From FEMA |
Description
Primary key for table lookup. Assigned by table creator. DomainNot Found |
|
FLD_ZONE
From FEMA |
Description
Flood Zone. This is a flood zone designation. These zones are used by FEMA to designate the SFHAs and for insurance rating purposes. Acceptable values for this field are listed in the D_Zone table. DomainNot Found |
|
SFHA_TF
From FEMA |
Description
Special Flood Hazard Area. If the area is within a SFHA this field would be true. This field will be true for any area coded as an A or V flood zone area. It should be false for any X or D flood areas. Acceptable values for this field are listed in the D_TrueFalse table. DomainNot Found |
|
SOURCE_CIT
From FEMA |
Description
Source Citation. Abbreviation used in the metadata file when describing the source information for the feature. The abbreviation must match a value in L_Source_Cit. DomainNot Found |
|
Shape
From Esri |
Description
Feature geometry. DomainCoordinates defining the features. |
|
Shape.STArea()
From SQL Server |
Description
Returns the area of a geometry instance in square units, based on the spatial reference identifier (SRID) of the geometry. DomainDouble |
|
Shape.STLength()
From SQL Server |
Description
Returns the total length of the elements in a geometry instance. DomainDouble |
Contact information
| Maintained by | DNRP - Water and Land Resources |
| Primary |
Harkeerat Kang
Harkeerat.Kang@kingcounty.gov |
Terms of Use
| License | Terms of use and copyright |
Use this Data
|
Links
How to use in ArcGIS Pro |
|
| Sharing Status | Public |
Summary
Provides the location of the pending FEMA 500-year floodplain (areas of 0.2% annual chance flood) plus areas with reduced risk due to levee.
This information is intended for informational purposes only, and should not be used for parcel level determinations.
Description
Provides the location of the FEMA 500-year floodplain (areas of 0.02% annual chance flood) plus areas wiht reduced risk due to levee.
Contact information
| Maintained by | DNRP - Water and Land Resources |
| Primary |
Harkeerat Kang
Harkeerat.Kang@kingcounty.gov |
Terms of use and copyright
| License | Terms of use and copyright |
Change history
| 5/15/2020 |
Based on data received from FEMA May 2020. |