City of Seattle ArcGIS OnlineThis layer contains both connected and proposed underground injection cells, symbolized on lifecycle code. Underground Injection Cells data source is DWW.surface_drainline_pt_pv with the following data query: SDP_FEA_TYPE_TEXT IS 'Underground Injection Cell; Drilled Drain') and SDP_OWNER_TEXT IS 'Seattle Public Utilities'. Proposed Underground injection cells data source is DWW.surface_drainline_pt_pv with the following data query: SDP_LIFECYCLE_TEXT IN ('Proposed') AND SDP_FEA_TYPE_TEXT IS 'Underground Injection Cell; Drilled Drain' AND SDP_OWNER_TEXT IS 'Seattle Public Utilities'. Labels are based on the attribute SDP_ASSET_ID and do not display when zoomed out beyond 1:1,000. Only SPU owned assets will display labels. Refreshed weekly.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/c488b10a2981410da200e958cfb0eaf7_2engSeattle GeoDataPublicProposed Surface Drainage Points [Washington (State)--Seattle]Web servicesWashington (State)--SeattleWashington (State)Last Modified: 2026-01-05