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  • Integrated Pest Management
  • Protecting Pollinators
  • Invasive Species
  • Reducing Pesticides
  • Mosquito Control Program

Pesticide Applications

Pesticides are used as a last resort after exhausting all other options. When pesticides are used, the least toxic pesticide is chosen from a list of products that have been reviewed and evaluated and an application method is used to decrease non-target exposure.

For notices of pesticide applications in the Boulder city limits and on city-owned Open Space and Mountain Parks (OSMP) lands, select the "Pesticide Applications" links below or call the Pesticide Hotline at 303-441-3400.

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Pesticide Application Hotline

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