Regional collaboration. Practical solutions.

Northwest Irrigation Operators unites districts across Washington, Oregon, Idaho and Alberta, Canada to solve real-world operation and maintenance challenges and pool regional herbicide purchasing.

Current status and upcoming events

Winter/Spring Herbicide Pool

Bend 2027 Tour

Biennial Conference

The winter/spring herbicide pool will begin December 1, 2026. More info to come.

SAVE THE DATE: Our next biennial tour is scheduled for June 15-17, 2027 in Bend, Oregon. Registration details to come.

Biennial conferences are held in Boise, Idaho, offering a forum for sharing ideas and improving irrigation systems.

Solving real-world O&M challenges

NWIO provides a collaborative forum for water operators to share technical knowledge and lower operational costs. We focus on practical solutions for regional water infrastructure.

Contact Us

Connect with NWIO

Reach out to Executive Administrator Jennifer Carrington for membership details, event information, or herbicide pool inquiries.