





NWIO offers three distinct membership options tailored to the diverse entities involved in Pacific Northwest water resource management.
General Member
Associate Member
Contributing Member
Irrigation districts, canal companies, and similar entities within the Pacific Northwest region. General membership is required to participate in the Herbicide Pool.
Federal, Provincial, or State agencies, colleges, universities, municipalities, and non-commercial entities.
Corporations, companies, partnerships, firms, or individuals engaged in water resource operations or irrigation farming.
For detailed information on memberships, please reach out to our Executive Administrator.
Governed by Members, for Members
NWIO's 12-member Board of Directors ensures equal representation from Washington, Oregon, and Idaho, with rotating President and Vice President appointments every four years.
Board of Directors by State
Our board comprises dedicated professionals from across the Pacific Northwest, each bringing invaluable expertise to guide NWIO's mission. Directors are appointed to four-year terms, ensuring continuity and diverse perspectives.
Washington: Craig Simpson-East Columbia Basin ID, Scott Revell-Roza ID, Nathan Draper-Selah Moxee ID, Roger Sonnichsen-Quincy Columbia Basin ID (President).
Oregon: Josh Bailey-North Unit ID (VP), Jessi Hansen-Vale Oregon ID, Clancy Flynn-Owyhee ID, Bobby Nuvolini-Tualatin Valley ID.
Idaho: Dan Davidson-Minidoka ID, Don Terry-Burley ID, David Duvall-Nampa & Meridian ID, Vacant-Black Canyon ID.
For membership inquiries, board communications, or general assistance, please reach out to our Executive Administrator, Jennifer Carrington, in Boise, ID.


