092319 404 Water levels continue to slowly recede on the Missouri River and Big Sioux River, easing flooding worries in the region. Union County Emergency Manager Andy Minihan said Monday that agencies are watching levees along rivers. A southeastern South Dakota school district is installing vape sensors in bathrooms to combat students' use of e-cigarettes that have been linked to hundreds of cases of lung disease nationwide. The Argus Leader reports that the Dell Rapids School District is