Each of the linked maps is in .pdf format, best printed on 11' x 17' paper with a color printer. Pierce County is updating Critical Area Regulations in 2002-2003, which may result in redefinition of some hazard areas and adoption of additional maps. Each map includes notations as to source data, latest revision and whether the hazard map has been adopted by Pierce County Code.

Flood Hazard Areas	100 Year and 500 Year Flood Zones defined by FEMA, adopted by County Ordinance
Landslide Hazard Areas	See Pierce County Code 18E
Landslide and Erosion Hazard	See Pierce County Code 18E
Slope Stability	See Pierce County Code 18E
South Wind Event	Winter (October thru March) Event
Enumclaw East Wind Event	Winter (November thru February) Event, see Wildland/Urban Interface Fire HIVA
1996 Forest Canopy Cover	See Wildland/Urban Interface Fire HIVA
Seismic Hazard Areas	See Pierce County Code 18E
Volcanic Hazard Areas	Proposed Pierce County Code (2002)
Lahar Evacuation Routes	Pierce County Emergency Management