GIS Data

We maintain the spatial datasets described here in order to better describe Washington's diverse natural and cultural environments. As a public service, we have made some of our data available for viewing and downloading.

Our spatial datasets

Spatial datasets are available as zipped geodatabases (unless otherwise noted).
Metadata files are in FGDC format.
View files are in JPG format.
Data are subject to our conditions of use.

Our geodatabase's standard projection and datum are in Washington State Plane, South Zone, NAD 83 HARN, units US feet, unless otherwise noted.

We also have a few maps available. For a listing of these maps, please go to our GIS maps page.

Please choose a letter to jump to that section.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

See also: data resources from other states, agencies, and universities

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Water Quality Webpage

2005 Project Report Download
Basins 1986 Download View Metadata
Canopy
- 1991 Download View Metadata
- 1996 Download View Metadata
- 2001 Download View Metadata
- 2006 Download View Metadata
Impervious
- 1986 Download View Metadata
- 1991 Download View Metadata
- 1996 Download View Metadata
- 2001 Download View Metadata
- 2006 Download View Metadata
Land Cover
- 1992 Download View Metadata
- 1996 Download View Metadata
- 2001 Download View Metadata
- 2006 Download View Metadata
- 2011 Download View Metadata

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Metadata
Watershed characterization for the Puget Sound drainage basins

Water Quality and Flow Assessment
- Combined Puget Sound Download View
- WRIA 1 Download View
- WRIA 2 Download View
- WRIA 3 & 4 Download View
- WRIA 5 Download View
- WRIA 6 Download View
- WRIA 7 Download View
- WRIA 8 Download View
- WRIA 9 Download View
- WRIA 10 Download View
- WRIA 11 Download View
- WRIA 12 Download View
- WRIA 13 Download View
- WRIA 14 Download View
- WRIA 15 Download View
- WRIA 16 Download View
- WRIA 17 Download View
- WRIA 18 Download View
- WRIA 19 Download View
- Mid-Scale Results - Gorst Download
- Mid-Scale Results - Pilchuck Download

Habitat Assessment Results
- Terrestrial and Freshwater Download
- Marine Shoreline Download

Water Flow Version 2.0 Results (2019)
- WRIA 1 Download - Results updated to reflect natural land cover conditions within North Cascades National Park (2020)
- WRIA 2 Download
- WRIA 3 & 4 Download - Results updated to reflect natural land cover conditions within North Cascades National Park (2020)
- WRIA 5 Download
- WRIA 6 Download
- WRIA 7 Download
- WRIA 8 Download
- WRIA 9 Download
- WRIA 10 Download
- WRIA 11 Download
- WRIA 12 Download
- WRIA 13 Download
- WRIA 14 Download
- WRIA 15 Download
- WRIA 16 Download
- WRIA 17 Download
- WRIA 18 Download
- WRIA 19 Download

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Download View
Streams, rivers, lakes, swamps and marine areas designated "Shorelines of the State" or “Shorelines of Statewide Significance” by local governments and published in their shoreline master program and adopted by Ecology. These data represent the current shoreline Management Act jurisdiction as of May 2019. These features are mapped to the Washington State Standard NHD Hydrography layer (version March 2019) and can be used as linear events.

The geodatabase contains three feature classes:

SMA Jurisdiction Lakes (polygons) Metadata
SMA Jurisdiction Streams (arcs) Metadata
SMA Jurisdiction Marine Metadata

References: WAC 173-18-044, 173-20-044 and Shoreline Management Home

Download View
Features that were originally published in Chapter 173-18 and Chapter 173-20 WAC. These features WILL BE SUPERSEDED by SMA_Jurisdiction_Adopted as local government updates are approved by Ecology. This layer is slowly becoming outdated as cities and counties update their list of Shoreline Management Act streams in their shoreline master program. See WAC 173-18-044. Note that these layers will not be updated.

The geodatabase contains three feature classes:

WAC 173-18 Arcs (Streams and Rivers) Metadata
WAC 173-18 Points (Points on streams and rivers where shoreline jurisdiction begins and where streams and rivers cross county boundaries) Metadata
WAC 173-20 Polygons (Lakes and Wetlands) Metadata

Download View
Features that were estimated to qualify as “Shorelines of the State” and “Shorelines of Statewide Significance” as defined in the Shoreline Management Act, RCW 90.58.030. For use by local governments when updating their shoreline master program. These features WILL BE SUPERSEDED by SMA_Jurisdiction_Adopted as local government updates are approved by Ecology. Note that these layers will not be updated.

The geodatabase contains three feature classes:

SMA_Pnts_Sugg (estimated jurisdictional flow points on streams and rivers likely to qualify as "shorelines" and "Shorelines of Statewide Significance) Metadata
SMA_Arcs_Sugg (streams and rivers estimated to qualify as "Shorelines of the State" based on their flow) Metadata
SMA_Poly_Sugg (water bodies lakes, wetlands, etc. estimated to qualify as "Shorelines of the State" based on their area). Metadata

Download View Metadata
This dataset contains spatial and attribute information of the Surface Water Quality Standards for the State of Washington, Chapter 173-201A WAC. Four views of the WQ Standard are contained in this dataset, Freshwater Beneficial Uses, Seasonal Supplemental Spawning and Egg Incubation Temperature Standards, rules designated in Table 602, and exceptions to Table 602 listed in the footnotes. If any discrepancies are found between GIS layers and the published rule, the published rule takes precedence. Updated April 2018.

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The Modeled Wetlands Inventory was carried out for Ecology by the NOAA Coastal Services Center under EPA grant funding. The inventory is based on the wetlands land cover classifications analyzed according to the Coastal Change Analysis Program (C-CAP) protocol to determine land cover.

Potentially Disturbed Wetlands were classified by a high wetland probability rating that indicated the likelihood of a wetland occurring at a specific location despite Landsat imagery indicating another land cover (e.g., Cultivated, Pasture/Hay, Grassland, Bare land).

Years 1992, 1996, 2001, 2006, 2011 & 2016 included.

Download View Metadata

Other data sources

If we don't have the data you are seeking, try these other data sources:

GIS data conditions of use

Our GIS data, while available for free of charge, is covered by our Conditions of Use Statement. Please view our copyright page for more information.

Contact information

Christina Kellum
GIS Manager
christina.kellum@ecy.wa.gov
360-481-9608

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