20210303 08583700 1.0 TRUE Top of Bank (Adopted) Lines representing City Council adopted (regulatory) top-of-bank of major rivers and streams in the Portland region. Mapping source of lines varies. --Additional Information: Category: Hydro Purpose: For applying regulations tied to adopted top of bank. Update Frequency: As Needed -- Metadata Link: https://www.portlandmaps.com/metadata/index.cfm?&action=DisplayLayer&LayerID=54359 Bureau of Planning and Sustainability