WSU Extension > Stevens County > Loading view. There were no results found. There were no results found. Events Ag & Trade Center, NE WA Fairgrounds Ag & Trade Center, NE WA Fairgrounds 317 W Astor Ave Colville, WA 99114 United States Get Directions Today Upcoming Upcoming Select date. Previous Events Today Next Events Subscribe to calendar Google Calendar iCalendar Outlook 365 Outlook Live Export .ics file Export Outlook .ics file