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Washington County's departments and their organizations
The District 18 Watermaster’s Office is a field office of the Oregon Water Resources Department (OWRD), in cooperation with Washington County, and is responsible for water supply management within the Tualatin, Lake Oswego and Lower Willamette Drainage Basins.
Westside Commons, home of the annual Washington County Fair, is a multi-use campus located in Hillsboro, Oregon, that is dedicated to serving the entire community by hosting and producing national-class events on a local scale.