Maps and GIS

GIS map layers on Pacific Northwest ERMA®

ERMA® is an online mapping tool that integrates both static and real-time data. Browse the expandable GIS layer list below. Check boxes for any layers you wish to view. Select the View Map button to see the results in a new browser tab.

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Other GIS data resources

This list of Puget Sound area GIS data resources is adapted from the GIS data links published by the Washington State Department of Ecology.

Washington State

British Columbia

U.S. Regional

U.S. Federal