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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...

7/26/203: Weather and conditions permitting, an aerial treatment will be conducted for Williston tonight, 7/26. If conditions are unfavorable, then an attempt on 7/27 will be made. Treatment will take place near sunset. 7/22/2023: An aerial treatment was completed for Williston. 7/20/2023: The Williston Vector Control District is tentatively scheduled to conduct aerial and ground adulticide...

UPDATE | 7/14/2023: Weather and conditions permitting, the Williston Vector Control District will conduct the following ground adulticide treatments: 7/15/2023: Epping and Ray Spray Blocks 7/16/2023: Grenora Spray Block (not completed due to weather) UPDATE | 7/13/2023: Weather and conditions permitting, the Williston Vector Control District will conduct the following ground adulticide treatments: 7/13/2023: Williston...

UPDATE 7/8: Weather and conditions permitting, an aerial treatment will be conducted for Williston and Trenton on 7/8. If conditions are unfavorable, then an attempt on 7/9 will be made. Treatment will take place near sunset. --------- 7/6/2023: The Williston Vector Control District is tentatively scheduled to conduct aerial and ground adulticide treatments across the...

UPDATE for 6/29: Williston Vector Control will conduct a ground adulticide treatment near sunset for Williston Spray Blocks 3 and 4 and the Stony Creek area, weather and conditions permitting. Citizens are reminded to please stay at least 300 feet behind a Vector Control vehicle when it is fogging. -‐------------ 6/28/2023: The Williston Vector Control...

6/27/2023: An aerial treatment was conducted over Williston on June 24. Ground treatments are tentatively planned to be conducted as follows: Wednesday, June 28: Trenton Spray Block and West Acres subdivision area Thursday, June 29: Williston Spray Blocks 3 and 4 and the Stony Creek area. Treatments will be conducted near sunset, weather and conditions...

UPDATE | 6/21 @ 3:45 pm: If weather and conditions permit, ground adulticide treatments will be attempted near sunset on Thursday, June 22 in the following areas: West of Block 14 along Hwy 2 between Hwy 85 Bypass and 60th St NW (Windsong and Fendee Estates areas) Stony Creek Township along 37th Ave SE and...

6/13/2023: The Williston Vector Control District is tentatively scheduled to conduct aerial and ground adulticide treatments for all Williston spray blocks between Wednesday, June 14 and Sunday, June 18. Treatments will take place near sunset, weather and conditions permitting. Updates will be posted on this page. Williston Vector Control uses Zenivex E20 for adult mosquito...

6/9/2023: The Williston Vector Control District is tentatively scheduled to conduct an aerial adulticide treatment for the Trenton Spray Block between Saturday, June 10 and Monday, June 12. Treatment will take place near sunset, weather and conditions permitting. Updates will be posted on this page. Williston Vector Control uses Zenivex E20 for adult mosquito control...

6/9/2023 @ 8:45 pm: Due to unfavorable conditions, the adulticide treatment for this evening has been postponed until tomorrow, Saturday, June 10. Treatment will take place near sunset, weather and conditions permitting. ---‐‐----------------- 6/8/2023: The Williston Vector Control District is tentatively scheduled to conduct an aerial adulticide treatment for all Williston spray blocks between Friday,...