Okanogan County Emergency Management posts flooding videos By Gazette-Tribune • April 14, 2017 8:31 am Okanogan County Emergency Management Okanogan County Emergency Management photoColumbia River Road was closed at Mile Post 5 due to water over the roadway. Barricades were placed at Omak-Cameron Lake road Mile Post 2.7 and just north of SR 155. OKANOGAN – Okanogan County Emergency Management has posted several videos of flooding in Okanogan County. They can be viewed on their Facebook page at this link: Okanogan County Emergency Management