The Science of Sustainability

Tag: hetch hetchy

Landslide at the Calaveras Reservoir

Landslide at the Calaveras Reservoir

The long-running dam replacement project must pause to deal with a sleeping monster.

Continue Reading

Century-Old Battle Over Yosemite's 'Second Valley' Heats Up

Century-Old Battle Over Yosemite's 'Second Valley' Heats Up

One of California's oldest environmental battles is on the San Francisco ballot. Hetch Hetchy Valley in Yosemite National Park holds most of San Francisco's water supply. But some environmental groups want to turn back the clock.

Continue Reading

Hetch Hetchy: Will We Do the Anthropocene Thing?

Hetch Hetchy: Will We Do the Anthropocene Thing?

The Restore Hetch Hetchy proposal is the Bay Area's first serious encounter with Anthropocene engineering.

Continue Reading

Hetch Hetchy Aqueduct: Big Fixes for Big Quakes

Hetch Hetchy Aqueduct: Big Fixes for Big Quakes

The San Francisco Public Utilities Commission is hard at work on a $4.6 billion, decade-long construction project to overhaul the Hetch Hetchy water system, which delivers water from the Hetch Hetchy reservoir in Yosemite National Park and five local reservoirs to 2.5 million residents in the Bay Area.

Continue Reading

From Tunnel to Tap: Quake-Proofing Our Water Supply

From Tunnel to Tap: Quake-Proofing Our Water Supply

The Bay Area's vast Hetchy Hetchy system, "a dream in granite, concrete, and steel," is getting an overhaul. The system carries water 167 miles from Yosemite to Bay Area taps; pretty soon that voyage will include the Bay's first true tunnel.

Continue Reading

Raise Your Glass to Groundwater

Raise Your Glass to Groundwater

Groundwater is still a major player in Bay Area water supplies, if a largely invisible one.

Continue Reading