Welcome! Ecology's GIS staff builds and maintains spatial datasets and applications, conducts GIS projects, and publishes GIS maps in support of the agency's mission of protecting the land, air, and waters of the state. Tools used in this work include GIS software by Environmental Systems Research Institute (ESRI) including ArcInfo, ArcView, ArcSDE, ArcGIS Server, and ArcIMS.
These pages are targeted for an audience experienced with GIS terminology and standards. If you are new to GIS, you can learn more at http://erg.usgs.gov/isb/pubs/gis_poster/ (USGS) or http://www.gis.com (ESRI). Also, our Frequently Asked Questions (FAQ) page may help you with our data and maps.
View/download some of our GIS standard maps products online in Adobe Acrobat, PDF format.
View information about some of our GIS applications and download scripts to run at your site.
Use our GIS services for your information needs.
Find out about the GIS Projects the Department of Ecology is working on or has done.
Find out about GIS/ArcView training opportunities for federal, state, and local government clients.
Page last updated on Tuesday, March 14, 2017 14:17 by Rich Kim
March 14 - Updated GNIS, December 1, 2016 version
November 15 - Fixed error in City UGA, City of Sammamish was missing
November 7 - Updated City UGA layer with Thurston and Spokane Counties
September 21 - Removed USGS Quad Boundaries and WA State Base Map
September 20 - Updated Watershed Boundary Dataset (WBD) layer
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