7/31/2023: An aerial treatment was completed for Williston. 7/27/2023: The Williston Vector Control District is tentatively scheduled to conduct aerial and ground adulticide treatments across the entire District, including Williston, Trenton, Ray, Epping, and Grenora, between Friday, July 28 and Thursday, August 3. Treatments will take place near sunset, weather and conditions permitting. Citizens are...