ADA COUNTY
FLOODPLAIN DEVELOPMENT PROCESS
|

Floodplain management is an important aspect of public health and safety
|
What is a floodplain?
A floodplain is the area adjacent to a river, creek, lake, stream or other waterway that is subject to flooding when there is a significant run-off event.
The technical definition of a floodplain as it pertains to the development process can be found in the Ada County Zoning Ordinance: 8-3F-4.
What do I need to know if my property is in a floodplain?
►Any development within the Floodplain will require a Floodplain Development Permit.
If you are considering development within a Floodplain, please view the entire Flood Hazard Overlay District ordinance located in the Ada County Zoning Ordinance. The floodplain Submittal Checklist along with a Master Application includes everything you need to sumbit an application. Please feel free to contact the Ada County Engineer at (208) 287-7925 with any questions you may have.
Where can I get more information:
• View our Frequently Asked Questions (FAQs)
• View ourFlood Hazard Overlay District ordinance: 8-3F
• Download our Master Application and Submittal Checklist
• Contact FEMA
• Find a registered Professional Engineer licensed in Idaho
Development Services is located in the Ada County Courthouse
200 W. Front St., Boise, ID 83702
Phone: (208) 287-7900, FAX (208) 287-7909