SPU DWW Sewer Classification Areas

The classification of SPU infrastructure in the City of Seattle and the former service area north of the City limits into areas of piped flow where storm water flow is either separated, partially separated, or combined with sanitary flow. An area with separated flow means that drainage flow is in drainage pipes only. A partially separated area means that some pipes are present that have both drainage and sanitary flow. A combined area has all pipes carrying sanitary and drainage flow.Static dataset.

Data and Resources

Additional Info

Field Value
Source https://cos-data.seattle.gov/resource/g97n-df37
Author Allen Grissom
Last Updated July 22, 2025, 19:45 (UTC)
Created July 22, 2025, 19:45 (UTC)
Contact Email mailto:mapgis.mapgis@seattle.gov
Contact Name PublicUtilities_SeattleCityGIS
Geographic Coverage -122.4308,47.4934,-122.2431,47.7727
Homepage https://data-seattlecitygis.opendata.arcgis.com/datasets/SeattleCityGIS::spu-dww-sewer-classification-areas
Issued 2024-04-10T22:40:22.000Z
Last Update 2024-05-08T17:06:00.701Z
License <p>The City of Seattle makes no representation or warranty as to its accuracy, and in particular, its accuracy as to labeling, dimensions, contours, property boundaries, or placement or location or any map feature thereof.</p>
Public Access Level public
Publisher City of Seattle ArcGIS Online
Theme geospatial
Unique Identifier https://www.arcgis.com/home/item.html?id=8942920de4784123ab32044d7938b882&sublayer=0
harvest_object_id 3e02292c-aaa6-4f3f-a95d-0ca2a156024d
harvest_source_id 5365fd4f-4dee-4a64-8b1c-c2025205baa9
harvest_source_title seattle