Washington County’s Department of Land Use & Transportation, Tualatin Valley Water District and Hillsboro Water invite the public to attend a project open house on September 24 to learn more about the county’s 124th Avenue extension project and the Willamette Water Supply Program. The event will be held at Tualatin Valley Fire & Rescue’s Training Center, 12400 SW Tonquin Road, Sherwood. The public is invited to drop in anytime between 5:30 and 7:30 p.m. to learn more about both projects. Staff from Washington County and the Willamette Water Supply Program will be available to answer questions and solicit comments.