Federal Emergency Management Agency / Temple University’s Center for Sustainable Communities / National Oceanic and Atmospheric Administration / Center for Sustainable Communities / IDF / Philadelphia Water Department / Natural Resource Conservation Service / Delaware Valley Regional Planning Commission / PADEP / Sheet Flow / National Water and Climate Center / /
Section 4: Model Development and Application The hydrologic model for the Wissahickon Act 167 study was built using GIS layers of land use, hydrologic soil groups, terrain and orthophotography. Within the Sandy Run water