A Note from the Management

The Grand River Mosquito Control District provides 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
  • The Budget Hearing of the Grand River Mosquito Control District will be held on Wednesday, November 16, 2022 at 5:00 p.m.  Located at 531 Maldonado Street, Grand Junction, CO 81501.  Click on GRMCD Draft Budget for the 2023 draft budget.  Click on Agenda* for the November 16, 2022 Budget Hearing and regular Board meeting.
  • NOTICE OF CHANGE OF DATE: the Grand River Mosquito Control District's regular December meeting has been changed to be held on Monday, December 12, 2022 at 5:00 p.m.  Located at 531 Maldonado Street, Grand Junction, CO 81501. 
  • Septemeber 12, 2022 - Click on Mesa County Public Health for the full West Nile virus press release.
  • Click on Access Agreement to download a permission to access property form.
  • 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 5:00 pm. The location is at the GRMCD office, 531 Maldonado Street, Grand Junction, Colorado.  Click on Citizen Comment Form and submit to officeadmin@grmcd.org, to speak at the Board meeting.
  • For information regarding a virtual meeting, please call (970)257-0191 before noon on the day of the meeting.
  • * Agendas will be posted the Friday before the scheduled Board Meeting.
Below is the GRMCD Boundary Map
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Grand River Mosquito Control District

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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.