WSU Extension > Stevens County > Loading view. There were no results found. There were no results found. Events Stevens County Conservation District Stevens County Conservation District 232 Williams Lake Rd Colville, WA 99114 United States Get Directions 509-684-7579 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