Stillaguamish River begins 'slight' breach of mud and debris dam
![](https://images.foxtv.com/static.q13fox.com/www.q13fox.com/content/uploads/2020/06/764/432/aerial-tour-gov.jpg?ve=1&tl=1)
Photo of mudslide zone tweeted by Governor Inslee.
OSO, Wash – Water began to breach the mud and debris dam choking the north fork of the Stillaguamish River just before 1:00p.m. Sunday afternoon.