Nelson Irrigation nelsonirrigation.com info@nelsonirrigation.com (509) 525-7660 In the field, on the road, and in the lab, we’re working to solve your irrigation problems before they crop up. We are Nelson Irrigation. Location Address 848 Airport Rd Walla Walla, WA 99362 Mailing Address 848 Airport Rd Walla Walla, WA 99362 Products & Services Vineyard Equipment Irrigation Design and Equipment Update Profile