The purpose of the Tri-County Cooperative Weed Management Area is to facilitate cooperation among all land managers and landowners to manage a common problem with noxious weeds. Our mission being to serve as responsible stewards of the land and resources in the state of Oregon by protecting and preserving all lands and resources in the tri-county area from the degrading impact of exotic, invasive noxious weeds.


Click on the county names to see what we are doing in your area

Download here our list of contractors for 2018:

The 2017 Spring and Summer was filled with helicopter applications, outreach programs, contractor inspections, and much more throughout Wallowa, Union, and Baker County.

Contractor: Leading Edge Aviation

For those interested in learning how to calibrate backpack sprayers or ATV sprayers, click on the links below.


Tri-County will be holding their Quarterly Meeting on Tuesday, June 5th from 9:00am to 11:00am in the Baker BLM Conference Room.  All are welcome to attend.

The 2018 Tri-County Budget was offically passed on December 5th. 

Please check out the budget on the linked budget and budget narrative!

*click on blue links to view attachments*

Leafy spurge landowner letters have been mailed out to landowners in the Starkey region of Union County.  If you received a letter, please fill out the Permission to Access Private Land document and return before June 30th, 2018.  This is a great oppurtunity to get your noxious weeds treated for half the cost!  Funded through Oregon State Weed Board.

JOB ANNOUCEMENT: Seasonal Field Techinician

If you are interested in a summer job working throughout Baker, Union, and Wallowa counties, driving ATV's, hiking through sage brush, or rafting down rivers, apply for Tri-County's seasonal field techinician!  Please submit your resume by June 6th to, mail to our office, or via the Contact tab above.  For additional information, please contact the office and read the application below. 

Field Tech Application