7/11/25 The Williams County Vector Control District (WCVCD) will be conducting targeted aerial adulticide treatments in the Williston area between July 12 and July 13, 2025. Spray Block 8 is scheduled for a buffer spray treatment on July 12, and the Williston Research Extension Center is scheduled between July 12 and July 13. Weather permitting, … Continued
The Williams County Vector Control District (WCVCD) plans to conduct ground and aerial adulticide treatments across the County between July 10 and July 12, 2025, weather permitting. Ground adulticide applications using DeltaGard are scheduled for the evening of Thursday, July 10 (tonight) in Trenton and Ray. An aerial adulticide application using Imperium is planned for … Continued
Williams County Vector Control District (WCVCD) plans to conduct a ground spray in Williston’s Spray Blocks 7 and 8 after sunset between 7/9/25 and 7/11/25. The missions will be postponed to a later date if conditions do not allow. To view the Spray Block map, click here: https://arcg.is/1bGqGS1 Zenivex E20 will be used in Block … Continued
Williams County Vector Control District (WCVCD) plans to conduct a ground spray in Trenton and Williston’s Spray Block 3 after sunset tonight (July 8). The mission will be postponed to a later date if conditions do not allow. To view the Williston Spray Block map, click here: Spray Block map here: https://arcg.is/1bGqGS1 DeltaGard will be … Continued
The Williams County Vector Control District (WCVCD) will conduct a ground ULV (Ultra-Low Volume) mosquito control spray in the community of Wildrose on the evening of Tuesday, July 1, 2025, weather permitting. The application will take place after sunset to target adult mosquito populations. The product being used for this operation is Zenivex, which is … Continued
The Williams County Vector Control District (WCVCD) will be conducting both aerial and ground mosquito control applications across the county during the week of July 1, 2025, weather permitting. If conditions do not allow, applications will be rescheduled for a later date to ensure safety and effectiveness. Target areas currently include Trenton and Williston, with … Continued
Weather permitting, the Williams County Vector Control District (WCVCD) will be conducting an aerial application in Williston and Trenton over the weekend of 6/27/25 – 6/28/25 to control the mosquito population. WCVCD will be using Imperium for this adulticide mission, which is a product approved for use by the Environmental Protection Agency (EPA). For more … Continued
The Williams County Vector Control District (WCVCD) will be conducting a targeted ground adulticide mission in Williston Spray Blocks 4 and 8 on the evening of June 25, 2025, weather permitting. For safety and effectiveness, it will be rescheduled to later this week if conditions do not allow. Residents are reminded to please stay at … Continued
The Williams County Vector Control District (WCVCD) will be conducting a ground adulticide treatments between 6/24/2025 – 6/30/2025 in Trenton and Williston Spray Blocks 3 and 7. Weather permitting, the treatment will occur near sunset. Please maintain a distance of at least 300 feet behind Vector Control trucks when they are fogging. The WCVCD will … Continued
The Williams County Vector Control District plans to conduct three separate adulticide treatments between 6/10/25-6/17/25 across the County. Citywide aerial adulticide missions in Williston and Grenora area using Imperium will begin as early as the afternoon of 6/11/25. Ground adulticide mission in Trenton/ Trenton Park area using DeltaGard will begin as early as the night … Continued
