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We are a group made up of two Cooperative Weed Management Areas (CWMAs) each representing both Washington and Oregon.  We each cover our side of the Lower Columbia River.  Our partnership is one of sharing information regarding invasive species, restoration projects, grant funding sources, professional expertise and other common interest.

Both CWMA partnerships share common goals of controlling invasive species and restoring the watersheds flowing into the Columbia River and the habitat and health of the Lower Columbia.  Together both CWMAs are working to reduce the impacts of invasive species and restore critical areas along the Lower Columbia River.

Search words: Lower Columbia cwmas, restoration, noxious weeds, watershed, riparian, tributaries, salmon habitat, fisheries, estuaries, tidelands