Hetch Hetchy Water System

Rim Fire Map

Officials Say SF Water, Power Secure From Yosemite Fire Threat

San Francisco’s supply of water and electricity remained safe Sunday as a forest fire continued to burn out of control near Yosemite National Park and the Bay Area’s Hetch Hetchy water source, fire and utility officials said.



Hetch Hetchy Seismic Upgrade Project Reaches Milestone

The Hetch Hetchy Water System upgrade project is progressing as planned, with a major undertaking just started on the Peninsula.