Description: This data layer is the Master Address Database or MAD for all of Chatham County, Georgia. The address points represent each physical address in the county. The database is edited regularly by SAGIS, MPC, and City of Savannah staff. Please contact SAGIS if errors are identified.Updated weekly.Do not distribute. Data sharing agreement is required.
Description: This dataset includes locations, names and grant information for the FEMA purchased lots in Savannah.Edited as neededAvailable for download on the SAGIS Open Data website (www.sagis.org).
Service Item Id: c8166651ded6488a9acfba0be787c09a
Copyright Text: Owner: City of Savannah, Office of Real Estate Services, Property Coordinator, Lynette Allen, 912-651-6510 ext. 1871, lallen02@savannahga.gov
Custodian: City of Savannah, Development Services, GIS Coordinator, Tom Jeanquart, 912-651-6510 #1851, tjeanquart@savannahga.gov
Description: City of Savannah - Approved Letters of Map Amendment (FEMA FIRM amendments)Publication Date: 2010 -- presentLast Edit Date: September 2017Update Frequency: Editied as needed, irregular editingUse Limitations: Available for public use and download on the SAGIS Open Data website (www.sagis.org)Data Source: Federal Emergency Management Agency (FEMA) - from individual letters of map change or amendments (LOMAs/LOMCs)
Service Item Id: c8166651ded6488a9acfba0be787c09a
Copyright Text: Owner: City of Savannah, Development Services Department, CFM, Tom McDonald, Ph: 912-651-6510, E-mail: tmcdonald@savannahga.gov
Editor: City of Savannah, Development Services, GIS Analyst, Ph: 912-651-6510.
For questions, contact Tom McDonald, CFM, Development Services, 912-651-6510., individual LOMA documents are available upon request, or by visiting the City of Savannah Flood Protection Information webpage at http://savannahga.gov/index.aspx?nid=936
Description: Boundary layer showing the municipalities within Chatham County, Georgia including Bloomingdale, Garden City, Pooler, Port Wentworth, Savannah, Thunderbolt, Tybee Island, Vernonburg and unincorporated Chatham County.Edited following changes in municipality boundaries.Use limitations: Available for public use and download via the SAGIS Open Data website
Description: This model layer represents the combined local Engineering Firms drainage studies for each drainage basin displaying the 100 Year Flood Limits by polygon boundaries. This model layer defines the areas that will be subject to development restrictions referenced in the 2018 Field Drainage Prevention Ordinance.This layer is to provide assistance in identifying specific local areas of problematic drainage resulting from a 100 Year 24 hour storm event.This model layer represents the local hydraulic study (ZONE 'M') of each drainage basin within the City of Savannah. The results of the detail drainage studies take into acount not only the surface runoff calculations, but also the pipe sizes and flow direction of existing underground stormwater conduits including recent CIP Drainage Basin improvement projects that may not have been incorporated into the National DFIRM Flood maps.CITY ZONE 'M' - means an area defined through hydraulic modeling or other standard engineering analysis as described in Article B, Section 8-70 of the Stormwater Field Drainage Prevention Ordinance.A calibrated hydrologic / hydraulic study of each of the drainage basin was performed using the Stormwater program XPSWMM and historic local flooding data to produce each of the 100 Year Flood Plain Limit boundaries.THIS LAYER IS EDITED AS NEEDED WHEN NEW BASIN MODELS BECOME AVAILABLE.AVAILABLE FOR DOWNLOAD ON THE SAGIS OPEN DATA WEBSITE (www.sagis.org).
Service Item Id: c8166651ded6488a9acfba0be787c09a
Copyright Text: BILBO BASIN STUDY - PUBLISHED SEPT. 2013 - HUSSEY, GAY, BELL & DeYOUNG ENGINEERING SERVICES
CASEY NORTH BASIN STUDY - PUBLISHED SEPTEMBER, 2013 - HUSSEY, GAY, BELL & DeYOUNG ENGINEERING SERVICES
CASEY SOUTH BASIN STUDY - PUBLISHED JULY, 2011 - EMC ENGINEERING SERVICES
PLACENTIA BASIN STUDY - PUBLISHED MAY, 2018 - EMC ENGINEERING SERVICES SPRINGFIELD CANAL BASIN STUDY - PUBLISHED DECEMBER, 2017 - THOMAS & HUTTON ENGINEERING SERVICES
OWNER: CITY OF SAVANNAH - STORMWATER DEPT.
ROGER RAINES - STORMWATER DEPT. DIRECTOR - (PH. 650-7855) rraines@savannahga.gov
TOM McDONALD, CFM - PERMITTING / FLOODPLAIN ADMINISTRATOR - (PH. 912-651-6530 ext 1895) tmcdonald@SavannahGa.Gov
ZACK HOFFMAN - STORMWATER DEPT. ENGINEERING CIP ADMINISTRATOR (PH. 644-7762) zhoffman@savannahga.gov
BARRIE WILKINS - ARCGIS EDITOR FOR THIS LAYER (PH. 650-7855) bwilkins@savannahga.gov
Description: FEMA Flood Map geodatabase downloaded on August 17, 2018.S_FLD_HAZ_AR copied with additional fields added for calculating the X 500 zone and labels with BFE attached.
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