Vegetation and Biodiversity Management

The Marin County Open Space District posts advance notice of pesticide applications on County open space lands. In addition, the County of Marin posts pesticide notifications on this webpage, and via audio recording at (415) 473-2847.

2023 Pesticide Notifications

2022 Pesticide Notifications

2021 Pesticide Notifications

2020 Pesticide Notifications

2019 Pesticide Notifications

  • 4/24/2019 Notice
  • Location: Terra Linda/Sleepy Hollow Preserve
  • Material: Competitor, Supress, Turfmark

2018 Pesticide Notifications

  • 6/4/2018 Notice pdf
  • Location: Santa Venetia Preserve
  • Material: Habitat, Competitor surfactant blue dye
  • 5/8/2018 Notice pdf
  • Location: Terra Linda Sleepy Hollow Preserve
  • Material: Aquamaster Competitor surfactant Blue dye