The Prince William Health District is governed by Prince William County in Virginia, which is a local health district of the Virginia Department of Health. It provides preventive and environmental health and dentistry services. The district operates Woodbridge Clinic and Manassas Clinic. The Prince William Health District regulates food service operations in restaurants, schools, adult care facilities, institutions, hospitals, hotels and motels. It also specializes in food service facility inspections. The district offers immunization, pregnancy testing and women wellness programs. In addition, the Prince William Health District inspects and permits more than 170 commercial swimming pools and spas on an annual basis.