Web services > Polygon data > Washington (State)--King County > 2025-present

Control Proprietary Device Polygon [Washington (State)--King County]

King County GIS Open Data · 2026 Full Details

Full Details

Title
Control Proprietary Device Polygon [Washington (State)--King County]
Description
For more information about this layer please see the GIS Data Catalog . Proprietary Device Polygon Component Types--- Hydrodynamic Separator: Hydrodynamic Separators are stormwater management devices that use cyclonic separation to control water pollution.--- Media Filter: Filtration system that uses a variety of media types to filter contaminants.--- Alternative Infiltration Systems: Other infiltration systems that are similar to vaults, tanks and trenches, but do not meet the standards of these features.
Creator
King County
Publisher
King County GIS Open Data
Temporal Coverage
Last Modified: 2026-01-08
Date Issued
2025-09-03
Rights
Use Constraint: King County data are made available with the understanding that they shall be used exclusively by the obtainer or their authorized agents. Digital products may not be reproduced or redistributed in any form or by any means without the express written authorization of King County.
Access Rights
Public
Format
ArcGIS FeatureLayer
Language
English
Date Added
January 09, 2026
Provenance Statement
The metadata for this resource was last retrieved from King County GIS Open Data on 2026-01-08.

Location

Cite and Reference

  • Citation
    King County (2025). Control Proprietary Device Polygon [Washington (State)--King County]. King County GIS Open Data. (web service)
  • BTAA Geoportal Link

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