A Note from the Management

The mosquito season is upon us in Western Colorado, and the Grand River Mosquito Control District will continue to provide the essential services of mosquito surveillance, inspections, and implementing control measures to reduce the spread of mosquito-transmitted diseases, such as West Nile Virus.
At this time, the Center for Disease Control and Prevention (CDC) has no data to suggest that the new coronavirus, which causes the disease COVID-19, is transmitted by mosquitoes or ticks. The primary way this coronavirus spreads is from person to person contact.
For more information, see How Coronavirus Spreads
  • Meetings of the Board of Directors of the Grand River Mosquito Control District are open to the public.  Regular Board Meeting will be held on the third Wednesday each month, at 6:00 pm. The location is at the GRMCD office, 531 Maldonado Street, Grand Junction, Colorado.
  • Click on AGENDA for the May 20, 2020 Board meeting.
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Grand River Mosquito Control District

The objective, of the Grand River Mosquito Control District, is to suppress mosquito populations, within the boundaries of the district, and in an environmentally responsible manner. A secondary objective is to monitor both larval and adult mosquito populations; to organize the population statistics, to evaluate organizational efforts, and to plan subsequent control strategies.

To inform our community, we have developed this web site to provide information on the different mosquito species and trends; our means to control the populations, and personal protection and prevention.

We invite you to contact us, regarding any mosquito issues that exist in Western Colorado.

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Suppress mosquito populations, within the boundaries of the district, and in an environmentally responsible manner.

Monitor both larval and adult mosquito populations; to organize the population statistics, to evaluate organizational efforts, and to plan subsequent control strategies.