We’re starting to update the City’s Environmental Critical Areas (ECA) code, and we want to hear from you. If you’ve been through the permitting process or have critical areas on your property, such as steep slopes, wetlands, or streams, your experience can help shape our updates. We’re hosting four one-hour… [ Keep reading ]
We’re in the process of updating outreach materials related to Environmental Critical Areas (ECAs) to clarify when a separate ECA exemption application is required per Seattle Municipal Code (SMC) 25.09.045. Approval of an ECA exemption allows for certain development activities within ECAs. A separate ECA exemption application in advance of a… [ Keep reading ]
SDCI has updated the Environmentally Critical Areas (ECA) Map for Liquefaction-Prone areas. Liquefaction occurs when loose, saturated soils lose their strength due to strong ground shaking (usually from earthquakes). Details of the update are described in Director’s Rule 2-2023, Update of ECA Liquefaction-Prone Areas Map, which was effective August 30, 2023. You can view the new liquefaction-prone ECA layer on our GIS map.
