San Francisco Upgrading Water Systems With Eye On Climate Change NBC Bay Area » It may be mostly happening out of sight, out of mind — but San Francisco Public Utilities Commission is in the midst of a whirling dervish of 70 construction projects including upgrades to the city’s aging and decrepit water treatment plants and sewer systems. The price tag for phase 1 alone — $2.9 billion. Michelle2017-11-08T16:57:41-08:00November 3rd, 2017|California, Drinking Water, Wastewater|