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Remote Watersheds
A polygon feature class showing SPU watersheds. It also provides information on its shed and type. -
Underdrain and Rain Garden
Underdrain piping systems are provided to prevent prolonged ponding of stormwater or to collect and convey water to another facility. Rain gardens are less engineered systems... -
DWW Swales
A polygon feature class showing DWW Swales. It also provides information about its exact location, owner, and role. Swales (biofiltration, bioretention,... -
DWW Mainlines (Permitted Use)
DWW Mainlines (Permitted Use) displays all connected or to be connected mainline pipes within the City of Seattle (and the former service area north of the city limits)... -
CommunityEmergencyHubs
Community Emergency Hubs are places where people gather after a disaster to help each other. Hubs serve as a central gathering place among neighbors in homes, apartments and... -
Adopt a Drain - Crowd Adopted
Adopt-a-Drain Maintaining Storm Drains: Join volunteers across the city to maintain storm drains, a critical part of our utility infrastructure. Sign up to adopt a storm drain... -
DWW Inlets
A point feature class showing DWW Inlets. It also provides information on its life cycle, date of last update, owner, and role. -
SPU Retail Water Service Area
NEW WATER SERVICE Constructing a new home or building or renovating an existing facility? Information for property owners who want new connections to Seattle’s water supply... -
Direct Discharge Areas
Areas where flow of water is over impervious surfaces, ditch/culvert systems or small private drainage systems to a receiving waterbody. -
CommunityEmergencyHubs
Community Emergency Hubs are places where people gather after a disaster to help each other. Hubs serve as a central gathering place among neighbors in homes, apartments and... -
Non-Mainline Detention Polygons
Detention systems associated with non-mainlines. -
Urban Creek Watersheds
A polygon feature class showing urban creek watersheds in King County. It also provides information on its alternative name, area, and absolute location. -
City-wide GSI BMP
Green Stormwater Infrastructure (GSI) project data from Seattle Public Utilities (SPU), Seattle Department of Transportation (SDOT), Seattle Parks and Recreation, Seattle... -
DWW Pipe Repairs
DWW Repairs displays the location of all pipe rehabilitation work performed on SPU pipes within the City of Seattle (and the former service area north of the City limits).Data... -
City-wide GSI BMP
Green Stormwater Infrastructure (GSI) project data from Seattle Public Utilities (SPU), Seattle Department of Transportation (SDOT), Seattle Parks and Recreation, Seattle... -
Urban Creek Watersheds
A polygon feature class showing urban creek watersheds in King County. It also provides information on its alternative name, area, and absolute location. -
Drainage and Wastewater Private Mainlines
This layer displays all connected or to be connected drainage, sanitary, and combined mainline pipes within the City of Seattle (and the former service area north of the City... -
NPDES System Control
A presentation feature class displaying large structures that define the end of a mainline such as maintenance holes, vaults, plugs, or other designated features. -
DWW Mainline Misc Structures
Footprint of various structures associated with mainlines. -
Other GSI Footprints
Each polygon has an associated drain line feature that is used to show the basic direction that drainage flow may be travelling during a storm event.