Author: lindseyh@co.williams.nd.us

The Williston Vector Control District has been conducting larvicide treatments since mid-May and adulticide treatments since mid-June to help keep the mosquito population at a tolerable level. However, increased moisture over the past few weeks, among other factors, has contributed to above-average populations in Williston. In response to this increase, the Williston Vector Control District … Continued

UPDATE 7/5 @ 4:45 PM: The tentatively scheduled ground and aerial treatments for Wednesday, July 6th will be conducted for all Williston area spray blocks (1 – 14). Spray blocks 1 – 12 will be treated via aerial and spray blocks 13 and 14 will receive ground treatments. In response to the latest trap counts … Continued

The Williston Vector Control District is tentatively scheduled to conduct the following aerial adulticide treatments: Thursday, June 30: the Epping, Grenora, and Ray spray blocks Friday, July 1: All spray blocks in the City of Williston and the Trenton spray block (updated 6/30 to include Trenton) All treatments will take place near sunset, weather and … Continued

UPDATE 6/29 @ 8:00 pm Due to unfavorable conditions, tonight’s ground adulticide treatment for spray blocks 1 – 4 in the City of Williston has been canceled. The previously scheduled aerial adulticide treatments for Thursday, June 30, (Epping, Grenora, and Ray) and for Friday, July 1 (all Williston area spray blocks) will still be attempted, … Continued

UPDATE 6/26 @ 6 pm Williston Vector Control will conduct aerial adulticide treatments this evening (6/26) near sunset for spray blocks 2, 3, 4, 5, 7, and 8 in the City of Williston, weather and conditions permitting. —————————– UPDATE 6/25 @ 5 pm Due to unfavorable conditions, tonight’s aerial adulticide treatment for spray blocks 2, 3, … Continued

UPDATE 6/17/2022 @ 12 pm: Aerial and ground treatments for Williston, Ray, Grenora, Epping, and Trenton were successfully completed last night as planned! However, due to forecasted winds and conditions for the weekend, it is unlikely Williston Vector Control will be able to conduct additional treatments through Sunday. Vector Control will continue to monitor trap … Continued

The Williston Vector Control District is tentatively scheduled to conduct ground adulticide treatments for spray blocks 1 – 6 in Williston on Saturday, June 11th, beginning at approximately 10 pm. Please keep a distance of at least 300 ft while the trucks are spraying. Treatment will take place weather and conditions permitting. For more information … Continued