Local governments in Cass County, North Dakota and Clay County, Minnesota use this site to provide information about ground and aerial spraying for mosquito control. This site is updated frequently during significant mosquito activity. It also offers advice that can help protect you from West Nile Virus.

News and announcements

Aerial spraying
is planned for Fargo, West Fargo and the urban fringe subdivisions on Friday, Aug. 29 and Saturday, Aug. 30. If weather conditions are not favorable, this spraying will be postponed.

Ground spraying is planned for Moorhead on Friday, Aug. 29.

All spraying takes place during the evening hours.

    Mosquito control
All spraying is contingent on favorable weather conditions, including winds under 10 MPH and temperatures above 57 degrees. Spraying is rescheduled when these conditions do not exist.
    West Nile Virus