Infiltration Potential

Published by City of Seattle ArcGIS Online | City of Seattle | Metadata Last Checked: July 29, 2025 | Last Modified: 2024-02-21

Planning level Infiltration Potential - NOT FOR ENGINEERING DESIGN. A starting point to determine if a Seattle modified PIT test should be considered for a site under development that is considering infiltration using green stormwater infrastructure or low impact development techniques. See PIT test information in the 2009 Stormwater Directors' Rule - Volume 3: Stormwater Flow Control and Water Quality Treatment Appendix E: City of Seattle Modified Procedure for Conducting a Pilot Infiltration Test. Uses data from UTIL.UW_INFILTRATION, symbolized based on PERMEABILITY field.

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Complete Metadata

identifier	https://www.arcgis.com/home/item.html?id=e5b9cde0246a4428bb51668a289c12fb&sublayer=0
issued	2024-02-20
landingPage	https://data-seattlecitygis.opendata.arcgis.com/datasets/SeattleCityGIS::infiltration-potential
spatial	-122.4387,47.4922,-122.2391,47.7517
theme	[ "geospatial" ]