Health districts in Washington

Most health departments in the U.S. state of Washington are part of county government. The following districts are exceptions:^[1]

• Benton-Franklin Health District (Benton and Franklin counties)
• Chelan-Douglas Health District (Chelan and Douglas counties)
• Northeast Tri County Health District (Ferry County, Pend Oreille, and Stevens counties)
• Yakima Health District is a one-county health district. It was created in 1911 and was one of the first health districts in the United States.^[2][3]

Health districts were enabled by the Washington State Legislature in 1945, codified in chapter 70.46 of the Revised Code of Washington (RCW).^[4]