Floodplains & Models

Floodplains are regulated by many State and Federal agencies, including Army Corps of Engineers (ACE), Federal Emergency Management Agency (FEMA) and Oregon Department of State Lands (DSL). 

If you are looking for information about flood insurance, floodplain boundaries or the most recent HEC-RAS model data, please contact FEMA Map Information eXchange at 877.336.2627 or by visiting the FEMA Flood Map Service Center.

Floodplain information is available through the Washington County Flood Information website.

Clean Water Services' flooding reference information can be found here.

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