What is a 100-year flood?
This term is a statistical designation meaning that there is a 1-in-100 or 1% chance that a flood this size will happen during any given year.

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1. What is a floodplain?
2. What is floodplain management?
3. What is a 100-year flood?
4. Who determines where these floodplains are located?
5. Why does Spokane County have floodplain regulations?
6. Is development allowed in a floodplain?
7. When is a Floodplain Development Permit required?
8. What is considered development?
9. What are the Floodplain Requirements “A” Zones?
10. What are the floodplain requirements for my residential/commercial structure?
11. What are the floodplain requirements for dock projects?
12. What are the floodplain requirements for fill, grading, excavation and crossing structures?
13. What is a "B" zone?
14. What if my property is associated with a “B” Zone floodplain?
15. What is a "C" zone?
16. What if my property is associated with a “C” Zone floodplain?
17. What are the requirements for additions or improvements to structures?
18. What are the requirements for floodproofing?
19. What are the fees for development permits?
20. What is an Elevation Certificate?
21. Why is an Elevation Certificate required?
22. When is an Elevation Certificate required?
23. Why is an Elevation Certification bond taken?
24. Who can fill out an Elevation Certificate?