Adult Mosquito Spray Map Link:  click here

Grandview
Byron Ponds and Grandview Sewage Lagoons

Prosser
Multiple rural areas north of the Yakima River and not extending past Johnson to the north and Canyon Road to the west.

Richland
Western portion of Horn Rapids Development area.

West Richland
Areas around and including Twin Bridges, Snively, and Weidle Roads.

West Richland Golf Course