Description: The Clean Water Services Corridor layer provides planners, consultants, and resource managers information on the location of vegetated corridors as defined and regulated by Chapter 3 of the Clean Water Services Design and Construction Standards.
Description: This data provides planners, consultants, and resource managers location and significance information for wetlands delineated within the City of Tigard.
Description: 100 year floodplain as part of the FEMA floodplain re-study. This data has not been adopted by FEMA but is considered best available information at this time.