Washington State Department of HealthMarine water bodies in Washington State. This layer is only updated as needed.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/61554d36e0d94796b6048d6511446f0d_0engState of Washington Geospatial Open Data PortalPublicShellfish Water Bodies [Washington (State)]Web servicesWashington (State)Last Modified: 2025-07-10