King CountyFor more information about this layer please see the GIS Data Catalog . Location of various types of activities conducted by King County Stormwater Services. This may include responses to public inquiries related to drainage issues, stormwater facility issues, water quality issues, surface water management fee inquiries or investigations, pollution prevention inspections, and other stormwater-related activity types. The data are sourced from a legacy database system and Stormwater Service's current asset management system.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/c24df2870424450897f3e5d15e700eed_0engKing County GIS Open DataPublicStormwater Activity [Washington (State)--King County]Web servicesWashington (State)--King CountyWashington (State)Last Modified: 2026-01-08