Description: GPS'd surface channel polyline features in unincorporated Pierce County maintained for storm water conveyance. Includes public and private features except where private gates prevent access. Please read metadata (https://matterhorn.co.pierce.wa.us/GISmetadata/pdbpubw_swopenchannel.html) for additional information. Any data download constitutes acceptance of the Terms of Use (https://matterhorn.co.pierce.wa.us/Disclaimer/PierceCountyGISDataTermsofUse.pdf).