From the County of San Diego:

The County of San Diego, Department of Environmental Health (DEH) has issued a Boil Water Order and Public Notification for the Mount Laguna water system located on Sunrise Highway, Mt. Laguna, CA 91948 effective immediately.

The water system serves the Desert View Picnic Ground, Red Tailed Roost, Sierra Club Lodge, Camp Ole Fire Station, and the Visitor Information Center with public restrooms and the following campgrounds: Wooded Hill, Horse Heaven, El Prado, Yerba Santa, Laguna, and Burnt Rancheria.