GIS & Data Mapping Tool

Funded by the Cooperative Institute for Coastal and Estuarine Environmental Technology, the following GIS and Data Mapping Tool was developed as part ofthe SWAMP project. It is an open-source, web-based tool that uses an ArcGIS interface to assist local governments and developers in gathering necessary site information to be used in managing stormwater using low-impact development (LID) practices. As of this date, this tool only serves communities in Oregon’s coastal watersheds, including the in-land communities in the Rogue and Umpqua watersheds. We are working to expand this tool to the Mid and Upper Willamette Valley as part of our new LID Academy project.

SWAMP provides the following tools to assist you in stormwater management:

  • Ability to outline project or watershed area and collect information on land cover, soils, precipitation, and slope
  • Estimate runoff for various storms before and after proposed development
  • Runoff reduction tool to help choose LID practices to decrease runoff to predetermined predevelopment conditions
  • Suitability maps to help choose appropriate LID practices for the area

This tool was meant to be used in combination with the LID fact sheets, vegetative infiltration calculator and other tools on the Stormwater Solutions website.

Click on the links below to access the  GIS and Data Mapping tool:

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