Snohomish County Public Works Surface Water ManagementFeatures in this layer represent the end points of linear features such as culverts, ditches and pipes or the center points of features such as access roads, detention ponds, and vaults. They are used to help create these features during the Drainage Inventory process.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/273514c3aeda415bb40b0a12cb7b23ba_0engSnohomish County Open Data PortalPublicAuxiliary Points [Washington (State)--Snohomish County]Web servicesWashington (State)--Snohomish CountyWashington (State)Last Modified: 2022-11-09