Immediate help needing the Berthoud Larimer County Sheriff for Non-Emergency call 970-416-1985 for Emergency call 911.

Please click here for information regarding the upcoming November 6, 2018 Election

Starting Tuesday, September 4, 2018: Berthoud Parkway will be under construction at Grand Market Ave. (Heron Lakes Entrance), immediately North of the intersection with HWY 287. A detour path may be used for access through the construction site.

West Nile Virus and Mosquito Control Policy

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2018 Town-of-Berthoud-WNVIntroduction to West Nile Virus

West Nile is a serious, sometimes fatal, virus that has been found in Larimer County consistently over the past decade. The virus is transmitted by mosquitoes who bite infected birds and then spread that infection to humans and other animals.

There are no vaccines or treatments for the virus, so the best way to ensure safety is to prevent yourself from being bitten by mosquitoes.


If everyone takes preventative measures, the need for activating our control policies will be reduced.

The basics of West Nile prevention include:

  • Drain or dump standing water
  • Dress appropriately (long, loose-fitting clothing)
  • Defend yourself with insect repellant
  • Be aware at dawn and dusk, when mosquitoes are most active

Other preventative measures:

  • Stay clear of long grasses, wetlands, shrubs and grassy shores
  • Repair window and door screens to prevent mosquitoes from entering your home
  • Trim bushes away from the ground to allow for air flow and reduction of dampness
  • Leave dead birds where you find them and call 1.877.462.2911

Mosquito Control Safety

The Town of Berthoud is very concerned about protecting its residents from potential infection and also sensitive to the worries some may have regarding mosquito control. The issues of West Nile virus prevention and an emergency mosquito control policy are often controversial. 

Berthoud has partnerships with Colorado State University, the Larimer County Department of Health, and Vector Disease Control International to address the problems of both the West Nile Virus and emergency mosquito control measures.

Helpful links to navigate this page:

2018 Data

To monitor the mosquito population, the Town of Berthoud collects trap data. You can find these records below.

June Control Operations Summary
July Control Operations Summary
August Control Operations Summary
2018 Annual Report
CSU Final Report and Heat Map

 Trap Data  Test Data
 Aug. 27, 2018  Week 35: Aug 23, 2018
 Aug. 22, 2018 Week 34: Aug 22, 2018 
 Aug 15, 2018  Week 33: Aug 15, 2018
Aug 8, 2018  Week 32: Aug 8, 2018
 Aug 1, 2018  Week 31: Aug. 1, 2018
 July 25, 2018  Week 30: July 25, 2018
July 18, 2018  Week 29: July 18, 2018 
 July 11, 2018 Week 28: July 11, 2018 
 July 4, 2018 Week 27: July 4, 2018 
 June 27, 2018  Week 26: June 27, 2018
 June 21, 2018  Week 25: June 21, 2018
 June 13, 2018  Week 24: June 13, 2018

 June 6, 2018




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