1. Johnson County, Iowa FEMA Flood Data Online
June 7, 2007

2. Background FEMA DFIRM Data DFIRM = Digital Flood Insurance Rate Map
CDs from FEMA
Layers: BFE, NGS Benchmarks, Cross Sections, Stream centerlines, Flood Hazard Areas, etc.

3. Process ArcMap shapefiles Make SDE Feature Classes
Add new FEMA layers to ArcIMS website
Symbolize, Label, etc
Create Metadata links

4. FEMA Theme Default View

5. NGS Benchmark locations

6. Base Flood Elevation lines

7. FEMA Cross Section Locations

8. Stream Centerlines

9. Flood Hazard Areas and Floodways

10. Metadata
Included with FEMA CD
Somewhat generic
Added links on ArcIMS

12. Who and Why? Planning and Zoning Building Inspection Division
City and County Engineers
Private Land Surveyors
Engineering Companies
Banks and Lending Institutions

13. Contact Jay Geisen GIS Specialist 319-356-6080