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California Agricultural Pesticide Mapping Tool

2017 | View the tool.

Where are agricultural pesticides applied within California? How many are used near a specific location? Has pesticide usage increased or decreased over time? These are questions that PHI's California Environmental Health Tracking Program (CEHTP)'s agricultural pesticide mapping tool can help answer, now with an updated interface and additional features. 

Get started today.

Explore new updates to our agricultural pesticide mapping tool. You can:

  • View the top 10 agricultural pesticides used
    • For different geographies (1-mile-square section, 6-mile-square township, county, state)
    • By different pesticide categories
    • For different years
  • Use the tool in Spanish View updated data from 1991 to 2015
  • Examine time trends

With this tool, users can quickly and easily explore data for agricultural pesticide applications that occurred from 1991 through 2015 in California. The data come from the California Department of Pesticide Regulation's Pesticide Use Reporting System. The tool enables users to view agricultural pesticide application data at different geographies (state, county, square-mile) and also provides information about the amounts used over time within those geographies. Users can further customize their maps to view use by specific pesticide, pesticide category (with fumigants and neonicotinoids now available as options), crop, and year. 

The recent improvements to the Pesticide Mapping Tool—which increase the accessibility and utility of agricultural pesticide use data—were made in direct response to suggestions by users. Browse the new features and let us know if you have additional feedback.


The California Environmental Health Tracking Program (CEHTP) is a collaboration of the Public Health Institute and the California Department of Public Health. CEHTP is part of a national initiative coordinated by the National Environmental Public Health Tracking Program.