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.
--Additional Information:
Category: Hydro
Purpose:For identifying the location of wetlands.
Update Frequency: As Needed
© City of Portland, Oregon
This layer is sourced from CGIS Open Data.
Information | |
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| Regions | Clark County, Multnomah County, Washington County |
Technical Details | |
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| Layer ID | 96786 |
| Data type | Vector multipolygon |
| Feature count | 6459 |
| 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 |
History | |
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| Added | |
| Revisions | 1 - Browse all revisions |
| Current revision | Imported on Sept. 11, 2018 from Esri JSON in WGS 84 / Pseudo-Mercator. 17 geometries modified to be OGC compliant. Changelog. |