California herbicide use in forests by area

Annual acre-treatments reported for eight major herbicide families, 2000-2023

Includes applications reported under DPR site code 30000, “FOREST, TIMBERLAND,” which includes public and private lands. Salts and esters are grouped into parent herbicide families. Acre-treatments are cumulative treatment acres; an acre treated more than once can be counted multiple times.
Chart: The Breakthrough InstituteSource: California Department of Pesticide Regulation, Pesticide Use Reporting (PUR) data, 2000–2023Get the data