Active Alerts

Thank you for your patience and support as we improve the resiliency of your water delivery system. Night work is currently planned on 434 Minna Street, Minna and Mission streets between 6th and Mary, and 1064-68 Mission Street. 

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Mountain Tunnel Improvements


Improve the condition of the existing Mountain Tunnel, and to ensure the its continued ability to provide quality drinking water reliably to its 2.7 million customers in the Sierra Foothills and San Francisco Bay Area.

  • Construction Start: 2021
  • Contruction End: 2027
  • Cost: $140 Million
  • Project Phase: Construction