National Wetland Inventory (NWI) with revisions made by local governments in the tri-county region. Portland wetlands are updated from the original Metro dataset by City of Portland, Bureau of Planning & Sustainability to refine geometry, remove erroneously mapped wetlands, and add missing wetlands. This data can be viewed online at www.PortlandMaps.com.
Purpose:For identifying the location of wetlands.
Update Frequency: As Needed
© City of Portland, Oregon
This layer is sourced from CGIS Open Data.
|Copyright||Copyright may apply. Please check the source for more information.|
|Regions||Clark County, Multnomah County, Washington County|
|Data type||Vector multipolygon|
|Attributes||NOTES, LLID, Reference_Source, Maintaining_Agency, HUC, Created_By, Flag_for_Review, Name, Watershed_ID, Creation_Date, Modifier_Name, Shape_Length, Modified_By, Modification_Date, HUC_Name, Reference_Source_Details, NHD_Feature_Code, Wetland_Code, Field_Date|
|Services||Vector Query API|
|Last updated||3 Jul 2019 ago|
|Last checked||19 May 2022 ago|