Description: The FEMA Defined Floodway is an area that is to be reserved for the free passage of flood waters without causing more than a one foot surcharge or increase in flood levels during the one-percent-annual-chance-flood event. Please read metadata for additional information (https://matterhorn.piercecountywa.gov/GISmetadata/pdbswm_regulated_fema_floodway.html). Any use or data download constitutes acceptance of the Terms of Use (https://matterhorn.piercecountywa.gov/disclaimer/PierceCountyGISDataTermsofUse.pdf).