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Moccasin Penstock


The Moccasin Penstock conveys Hetch Hetchy water from Moccasin Tunnel to the Moccasin Powerhouse. This project enhances the reliability of the penstock system through the repair and replacement of the more than 96 year-old sections of the penstock, replacement of cracked concrete anchors and saddles, and upgrades to make the pipes easier to maintain in the future.

  • Construction Start: March 2025
  • Contruction End: August 2027
  • Cost: $13.2 million
  • Project Phase: Planning