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View along the historic railroad bed, under which the pipeline in question sits near the ground surface.

Government infrastructure

California city protects essential water infrastructure from geologic hazards

Summary

  • The Loch Lomond Reservoir stores most of the water used by residents of Santa Cruz, California, and surrounding communities. But landslides and other geologic hazards regularly threaten the infrastructure that delivers that water.
  • To make the pipeline more resilient, the city of Santa Cruz and its contractor relied on Haley & Aldrich’s engineering geology team.
  • We tested rock and soil strength and seismic risk at the site needing repairs, and we assessed how buildable and stable various design alternatives would be.
  • Ultimately, our work informed a design that would reduce the risk to the pipeline and keep the water flowing to Santa Cruz.

For more information, contact:

Kate Krug headshot
Kate Krug

Associate Geologist, Senior Project Manager

Kai Feng headshot
Kai Feng

Technical Expert, Geotechnical Engineer

Headshot of male, Kevin Loeb
Kevin Loeb

Senior Project Manager, Engineering Geologist