Name: LWI Study Area

Display Field: Study_Name

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Description: Study areas of LWIs are defined by the local governments conducting the inventories and as approved by DSL.Upon approval by DSL the LWI must be used in lieu of the National Wetlands Inventory (NWI) and is incorporated into the Statewide Wetlands Inventory (SWI). The approved LWI must be used by cities and counties in lieu of the SWI for notifying DSL of land use applications affecting mapped wetlands and other waters in the Wetland Land Use Notice (WLUN) process (ORS 215.418 and 227.350). The LWI Study Area dataset is part of the LWI_Statewide dataset that is created from the combined individual standardized LWI datasets and is part of the Statewide Wetlands Inventory (SWI). The LWI_Statewide dataset supersedes the national inventory level mapping included in the SWI within the LWI study areas.The LWI Study Area dataset is one of five LWI layers contained in the LWI_Subset dataset pulled from the LWI_Statewide dataset. The LWI_Subset dataset is used for the ORWAP and SFAM assessments Map Viewer.New LWIs are added to the LWI_Statewide and the LWI_Subset datasets upon approval by DSL.Some local governments must inventory and include protections for resources listed in Oregon’s land use planning goals 5 (Natural Resources), 16 (Estuaries) and 17 (Coastal Shorelands). An LWI fulfills the wetlands inventory requirements for Goal 5 and Goal 17 (OAR 660-015, 660-016, and 660-023). DSL is responsible for the requirements and review of LWIs for Goal compliance and other natural resource planning efforts. In accordance with the DSL’s LWI standards, the approximate location and boundaries of all wetlands and waters are identified within a specified study area.Further information on the development and results of individual LWIs is contained in the LWI reports, original maps, and individual GIS datasets, available for view and download from the DSL LWI web page. The LWI GIS Data Description and template is available on the DSL LWI web page.

Service Item Id: 77ea95fdf6064c1186e997695298f62c

Copyright Text: Local Wetlands Inventories received and approved by DSL dating from 1992 through 2019 were digitized and standardized by DSL, Institute for Natural Resources, and Oregon State University Libraries and Press. DSL combined the individual standardized LWI datasets into an LWI_Statewide dataset. New LWIs are added to the LWI_Statewide dataset upon approval by DSL. Individual LWIs are developed by consultants for local governments. Find full reports, citations, maps, and individual LWI GIS datasets on the DSL LWI web page. The digitizing and standardization of LWI GIS datasets approved by the Oregon Department of State Lands prior to 2018 has been funded wholly or in part by the United States Environmental Protection Agency under assistance agreement number CD-01J37701-02 to the Oregon Department of State Lands. The contents of this LWI dataset do not necessarily reflect the views and policies of the Environmental Protection Agency, nor does mention of trade names or commercial products constitute endorsement or recommendation for use.

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Fields:

• Study_Name ( type: esriFieldTypeString, alias: Site_Name, length: 50 )
• Approval_Date ( type: esriFieldTypeDate, alias: Approval_Date, length: 8 )
• LWIWebPage ( type: esriFieldTypeString, alias: LWIWebPage, length: 100 )
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