Pierce County, WashingtonCWI Wetland boundary arcs primarily in unincorporated Pierce County. Surveyed, field-checked, and wetlands from aerial photos/NWI are included in this inventory. Please read metadata for additional information ( https://matterhorn.piercecountywa.gov/GISmetadata/pdbplan_cwi_boundaries.html ) Any data download constitutes acceptance of the Terms of Use ( https://matterhorn.piercecountywa.gov/Disclaimer/PierceCountyGISDataTermsofUse.pdf )ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/6f49066e2359418685114e8c8cf383f9_0engPierce County Open GeoSpatial Data PortalPublicCWI Wetlands Delineation [Washington (State)--Pierce County]Web servicesWashington (State)--Pierce CountyWashington (State)Last Modified: 2025-12-11