Troutdale introduces floodplain code change to require habitat assessments under FEMA pre‑implementation measures

May 16, 2025

City staff proposed adding a floodplain habitat assessment report as a required submittal for all floodplain development permits to meet FEMA's pre‑implementation compliance measures (PICMs); staff recommended a permit‑by‑permit habitat assessment pathway to avoid wide prohibitions on development.

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The Troutdale City Council held a public hearing to introduce an ordinance amending Chapter 14 (flood management) of the Troutdale Development Code to add a requirement that applicants submit a floodplain habitat assessment report with floodplain development permits. Dakota Meyer, associate planner for the City of Troutdale, presented the staff report and explained the amendment is intended to meet Federal Emergency Management Agency (FEMA) pre‑implementation compliance measures tied to a National Marine Fisheries Service biological opinion.

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