As we move into the second half of mosquito season, we'd like to thank the residents of the Four Rivers Vector Control District for your continued…

Interested in Serving Your Community? Join the Four Rivers Vector Control District Board of Trustees

May 27, 2026

May 17, 2026

Four Rivers Vector Control District (FRVCD) Update for Sunriver Owners Association Residents
Working together for a more comfortable, bite-free season

This spring has brought an unusual pattern of on-and-off snow, fluctuating temperatures, and rapid weather changes. Many residents are noticing…

This spring, many residents are noticing mosquitoes much earlier—and in greater numbers—than usual. We want to share what’s causing this increase…