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Public Information Meeting May 17, 2012

City of Dunwoody Floodplain Boundary Changes Upper Chattahoochee River Basin Mapping Project GA DNR/FEMA. Public Information Meeting May 17, 2012. What is the Project?.

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Public Information Meeting May 17, 2012

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  1. City of Dunwoody Floodplain Boundary ChangesUpper Chattahoochee River Basin Mapping ProjectGA DNR/FEMA Public Information Meeting May 17, 2012

  2. What is the Project? • The Georgia Department of Natural Resources (GA DNR) has launched the Upper Chattahoochee River Basin Mapping Project (UCRB) that will assess and re-map flood risks along a 107-mile stretch of the Chattahoochee River Basin. • The project is being conducted through a joint effort involving GA DNR and the Federal Emergency Management Agency (FEMA), with participation by county and municipal governments.  • Re-mapping is scheduled for completion in 2012, so that government agencies, residents and businesses throughout the upper Chattahoochee River region will have more up-to-date information about the flood risks, easily available online.

  3. What has changed? • The City provided topographic information to the GA DNR Floodplain Management Office’s technical consultants. • They used that information to re-map the floodplain boundaries. • They have proposed new floodplain maps that will go into effect later this year. The preliminary maps are here tonight and are available online.

  4. How does this affect my Property? • Dunwoody straddles a ridge (Mt. Vernon Rd) and has relatively little floodplain, so for the majority of residents, there will be no change. • About 402 properties are affected • 139 properties have a decrease in flood boundaries • 263 properties show an increase in flood boundaries

  5. What does this look like? Effective Floodplain (AKA Existing)

  6. What does this look like? Preliminary Floodplain • (AKA Proposed) Red = Increased Flood Zone Green = Reduced Flood Zone      Blue =No Change

  7. What’s the web address? http://map.georgiadfirm.com/

  8. Paper (PDF) Maps http://www.georgiadfirm.com/status/status.html • Click on “Click here for Map Mods Status Page” • Click on DeKalb County in the County drop down box • Click on “Preliminary Panels” • Dunwoody’s map panels are 13089C00 05J, 10J, 11J, 12J, 16J, 17J

  9. QUESTIONS? http://map.georgiadfirm.com/

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