Regional Programs

EPA Regional Offices EPA logo

The Western Region is served by four regional EPA offices, responsible for implementing EPA programs within their territories.

  • Region 6 – New Mexico
  • Region 8 – Colorado, Montana, Utah and Wyoming
  • Region 9 – Arizona, California, Nevada, Hawaii and the Pacific Island territories
  • Region 10 – Alaska, Idaho, Oregon and Washington


IR-4 IR-4 logo 

The IR-4 Specialty Crops Project is tasked to provide safe and effective pest management solutions for specialty crop growers. Western Region IR-4 is based at the University of California, Davis.

IR-4 establishes project priorities through a nationwide stakeholder-input process through the IR-4 Food Use Workshop. This list of 2017 crop and pest priorities may be useful in needs assessments by documenting  crop-pest combinations where a stakeholder-driven process has identified a need for better pest-management tools.


Western Association of Agriculture Experiment Station Directors

The Western Association of Agriculture Experiment Station Directors is organized to plan and manage multi-state research activities important to the Western Region and the nation. It is headquartered at Colorado State University.


Western Extension, Research and Academic Coordinating Committee – WERA 1017

The WERA-1017 technical committee functions as a coordination and vision-setting body for research and extension IPM programs in the West.


Western Plant Diagnostic Network WPDN logo 

The Western Plant Diagnostic Network works to enhance national agricultural security by detecting introduced pests and pathogens. It is headquartered at the University of California, Davis.

The states of Montana, Wyoming and Colorado are served by the Great Plains Diagnostic Network headquartered at Kansas State University.


Western Sustainable Agriculture, Research and Education Western SARE logo

The Western SARE Program funds research and education projects to improve profitability, stewardship and quality of life. Western SARE is headquartered at Utah State University.