1:04 KLCC's Tiffany Eckert reports on the public health action taken in Benton County requiring masks in all county run facilities, starting Tuesday. Mask mandates are back. Anyone working in or visiting a Benton County building or facility must wear a facial covering indoors. Credit Benton County The county has seen a thirteen-fold increase in reported cases over the last month. Officials reported during July, about 20% of new cases were in fully vaccinated residents. This is believed to be due to the highly transmissible Delta variant. Benton County Public Health Administrator April Holland urged all residents to mask up when indoors and in crowded settings- regardless of vaccination status.