Adult Mosquito Spray Calendar August 2026 26 27Truck Spraying; Richland & West Richland 28 29Truck Spraying; Richland & West Richland 30Truck Spraying; Benton City 31 1 2CANCELLED Due to Smoke: Aerial Spraying; Grandview, Richland, and West Richland 3Truck Spraying: Kennewick, Richland, and West Richland 4Truck Spraying; Richland 5 6 7 8 9 10 11Truck Spraying; Benton City, Grandview, Prosser, and West Richland Cancelled: Aerial Spraying (plane at or after sunset): Grandview, Richland, and West Richland 12Truck Spraying; Benton City and West Richland 13Aerial Spraying; Richland, West Richland, and Grandview 14Truck Spraying; Finley 15 16 17 18 19Postponed to Thursday (20th): Aerial Spraying; Richland, West Richland, Grandview, and Prosser 20Aerial Spraying; Richland, West Richland, and Grandview/Prosser border 21 22 23 24 25 26 27 28 29 30 31 1 2 3 4 5
