The City of Sioux Falls Health Department will be conducting spraying efforts for mosquitoes in areas of Sioux Falls this evening. Sioux Falls Zone 9 is scheduled for spraying this evening between 8 p.m. and 1 a.m.

Additionally, the Health Department sprays the City bike trail one to two times a week between 3 a.m. to 7 a.m. or the evening between 10 p.m. to 1 a.m. All spraying is subject to change due to weather conditions.

This targeted spray effort is being conducted in response to increased numbers of mosquito populations. The Sioux Falls Mosquito Control Program follows a phased-response guideline created by the CDC that is used to determine when spray events and other treatments are needed.

The City will be using the product Zenivex E20 for spray treatments. Products used by the City of Sioux Falls are designed to break down in the environment quickly and are used at very low concentrations. Zenivex E20 is a product approved for use by the EPA in residential areas for adult mosquito control.

As progress is made toward completing the spraying process, updates will be placed on the City’s website. For additional information go to

People wanting to report local concerns on mosquitoes or standing water should leave this information on the automated Mosquito Reporting Hotline at 605-367-8799. To receive spray notifications via text message, text the word SPRAY to 888-777.

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