Whatcom County project: floodplain to expand, models show higher tides and larger river floods ahead

May 8, 2025

At a virtual workshop, Whatcom County staff presented modeling showing larger coastal and river flood hazards through mid- and late-century, and mapped infrastructure vulnerability including roads, treatment plants and utilities.

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At a virtual Whatcom County workshop, Chris Elder, senior planner with Whatcom County Public Works, said county modeling shows shoreline flooding and bluff and river erosion will affect more land and infrastructure in coming decades. "The whole goal of this effort is really to try to collect a lot of the best available science," Elder said, explaining phase 2 of the Whatcom Future Shorelines project.

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