Description:This map service contains Snohomish County environmental layers used in Critical Area Regulation analysis and decision making. Layers included in this map service:
Anadromous Fish Distribution - Chinook and Bull Trout
Snohomish County Waterbodies
Snohomish County Streams
Snohomish County River Basins, Watersheds and sub-basins
Channel Migration River Segments
Flood Control Levees
FEMA 100 Year Floodplain
FEMA Floodway
FEMA Density Fringe
Mineral Resource Overlay
Erodible Surficial Geology
National Wetland Inventory
Snohomish County Wetland Inventory
Hydric Soils
Active and Abandoned Mines
Cascade Peaks
Cascade Volcanoes
Volcanic Vents by Group
Glacier Peak Lahar
Glacier Peak Lahar Notice
Soil Erosion Hazard Areas
Snohomish County Landslide Inventory
DNR Landslide Inventory
DNR Forest Practices Landslide Inventory
DOE Landforms and Feeder Bluffs
DOE Coastal Zone Atlas
DOE Littoral Drift
DNR Forest Practices Slope Stability Class
Snohomish County Steep Slopes
DNR Tsunami Inundation
Snohomish County Seattle Fault 7.1 Magnitude Tsunami Inundation (Tetra Tech)
DNR Fault Trenches
DNR Seismogenic Folds
DNR Active Faults
DNR NEHRP Site Class
DNR Liquefaction
US EPA Sole Source Aquifers
DOH Wellhead Protection Radii
Snohomish County/Snohomish Health District GPS Wellheads
Snohomish County/Snohomish Health District GPS Wellhead Protection Areas
USGS Aquifer Sensitivity
Copyright:Snohomish County Planning and Development Services