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​​​​​​​​​​​​​​​​​​​​​​​​Pesticide Stewardship Partnership

  • Identify potential concerns and improve water quality affected by pesticide use around Oregon
  • Combine local expertise in water quality sampling results to encourage voluntary changes in pesticide use and management practices. 
  • Find ways to reduce pesticide levels while measuring improvements in water quality and crop management. 
  • Work toward measurable environmental improvements, making Oregon waters safer for aquatic life and humans. 

Partners include

  • Department of Environmental Quality (DEQ) 
  • Oregon State University (OSU) E​xtension Service 
  • Oregon Department of Agriculture (ODA) 
  • Oregon Department of Fish and Wildlife (ODFW)​​
  • Oregon Department of Forestry (ODF) 
  • Oregon Health Authority (OHA) 
  • Watershed and other natural resource groups 
  • Local landowners and growers 
  • Soil and water conservation districts 
  • Tribal governments

Stakeholder Advisory Group

In order to provide for more interaction between agency leadership, the Water Quality Pesticide Management Team (WQPMT) and stakeholders, a Stakeholder Advisory Group (SAG) has been initiated. The SAG membership represents a wide range of stakeholder interests including industry, applicators, environmental, and governmental interests. The purpose of this group will be to provide advice to the WQPMT and agency leadership on issues related to the administration of the Pesticide Stewardship Partnership. Members of this group consist of: 

Member​ ​Affiliation
​​​Lisa Ar​kin
​Beyond Toxics
​Troy Baker
​Walla Walla Basin Watershed Counci
​Seth Barnes
​Oregon Forest and Industries Council​
​Mary Anne Cooper ​Oregon Farm Bureau
​Chandra Ferrari  ​Trout Unlimited
​Bryan Harper ​Oregon Board of Agriculture
​Robin Harris ​Confederated Tribes of the Umatilla Indian Reservation
​Jeff Jenkins ​Oregon State University
​Lisa Kilders ​Clackamas Soil and Water Conservation District
​Karen Lewotsky ​Oregon Environmental Council
Katie Murray
Oregonians for Food and Shelter
​Steve Stewart
​City of Newport, Oregon
​Jeff Stone ​Oregon Association of Nurseries

Meeting information 

Waste Pesticide Collection Program

This program collects unwanted/unusable pesticides, and spray mixtures​ from agricultural or commercial operations. Household pesticides can be disposed of through the Household Hazardous Waste Program. 

Upcoming collection events​: 


Household Hazardous Waste Program

DEQ's household hazardous waste program

​Other resou​​rces

Clackamas Basin PSP Fact Sheet

Clackamas Basin PSP handout

DEQ's Statewide Water Quality Toxics Monitoring Program

Water quality toxics monitoring information

Fact Sheet: Pesticide Stewardship Partnerships in Oregon

PSP fact sheet

Map of current PSP watersheds

PSP watersheds map

Pesticide Stewardship Partnership (PSP) letter of support from Oregon Departments of Agriculture (ODA), Forestry (ODF), and Environmental Quality (DEQ)

Stakeholder letter




Kathryn Rifenburg
Pesticide Stewardship Specialist
Phone: 971-600-5073