 It's 631 at FM News. Talk KKFT KSBL in your local news this hour. A construction accident caused a sewage leak at Carnelian Bay last night. The Placer County Sheriff's Office says sewage from the pipeline overflowed into a parking lot and then it made its way into Lake Tahoe. The NTPUD has repaired the pipeline. The area around Carnelian West Beach will be closed until further notice.