The main purpose of this legislation is to prevent the Department of Homeland Security, including U.S. Immigration and Customs Enforcement (ICE), from setting up or running any immigration detention or holding facilities in Washington County, Maryland. The bill aims to address concerns about the impact of such facilities on local communities, including issues related to public health, housing, and local services. Key provisions of the legislation include a clear prohibition on establishing, operating, or expanding any immigration detention facilities in Washington County.