Tag Archive for: City of San Francisco

Hetch Hetchy Water & Power Plans Five-Year $140M Mountain Tunnel Project

The City and County of San Francisco and the San Francisco Public Utilities Commission are planning a five-year $140 million project beginning next year to repair, rehabilitate and upgrade the 19-mile-long Mountain Tunnel, a key component of the Hetch Hetchy Water System that takes water from Tuolumne County and sends it to San Francisco.