Uploaded April 2025 | Updated September 2026, 2 weeks ago
One of the SFPUC’s biggest sources of water supply is Hetch Hetchy Reservoir in the Sierra Nevada. The water in this reservoir comes from rainfall and snowmelt and travels the width of the state of California using only the power of gravity
One of the SFPUC’s biggest sources of water supply is Hetch Hetchy Reservoir in the Sierra Nevada. The water in this reservoir comes from rainfall and snowmelt and travels the width of the state of California using only the power of gravity










