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ECA Steep Slope
Displays areas with 40% steep slope or greater in the City of Seattle. A polygon feature class showing areas with an incline of 40% or more (10 feet of vertical rise over a... -
Seattle Shoreline
The shoreline essentially follows the 8 foot contour line, except where the ortho offered further clarification. That 8 foot contour line matches closest to what NAVD88 shows as... -
Contours 2 ft 2001
Contours 2ft created from 2001 LIDAR. -
ECA Liquefaction Prone Areas
Displays areas with liquefaction zones. A polygon feature class that shows liquefaction zones. Used to implement and regulate the City of Seattle's Environmentally Critical... -
ECA Known Slide Events
Displays areas of landslide events based on a Seattle Landslide Study completed by Shannon and Wilson. A polygon feature class showing landslide event inventory. Used to... -
Urban Watercourses
This layer displays the urban watercourses showing open stream channels and flow within culverts, drainage laterals, and drainage mainlines. The Washington State Department of... -
ECA Potential Slide Areas
Displays areas with potential landslides in the City of Seattle. A polygon feature class showing potential landslide areas. Used to implement and regulate the City of Seattle's... -
ECA Flood Prone Areas
FEMA flood prone areas with 100 foot buffer. Original flood prone areas where table digitized into the City of Seattle GIS CGDB control layer in the mid 90's. Layer may be used... -
ECA Known Slide Scarps
Displays areas of landslide events based on a Seattle Landslide Study completed by Shannon and Wilson. A polygon feature class showing landslide event inventory. Used to... -
ECA Wetlands
Displays areas with wetlands in the City of Seattle. A polygon feature class showing wetlands, which are those areas that are inundated or saturated by surface water or ground... -
ECA Peat Settlement Prone Areas
Peat-settlement-prone areas (sites containing peat and organic soils that may settle when the area is developed or the water table is lowered). Peat settlement-prone areas. Peat...