"In Santa Clara County, many of our water systems are nearly 50 to 60 years old, making this a critical time to modernize and strengthen them. As we take time to acknowledge the upcoming National Public Works Week, we recognize the essential role public works play in our community and the people who maintain and improve these systems. These services are essential to our health, safety and quality of life, and they depend on an informed and engaged community that supports the work behind them."
"One of our agency's top priorities is rebuilding Anderson Dam to withstand a major earthquake and continue serving as the county's largest reservoir. We've made significant progress with a new, larger outlet tunnel, a key part of the effort. Crews completed excavation of the 1,700-foot tunnel in 2024 and recently reached a major milestone with the completion of the final concrete tunnel lining. Work is underway to install a large steel pipe inside the tunnel, which will be encased in concrete to create a durable, seismically resilient system."
"Improvements extend beyond the tunnel. Along Coyote Creek, we've completed new channel features that improve flood protection and help manage water releases. This includes a uniquely designed North Channel weir that increases flow capacity while reducing erosion and supporting habitat, as well as a smaller South Channel weir. Together, these features help move water safely through the system during high flows."
"We expect to complete the tunnel project this year and begin work on the dam retrofit project in January 2027. Our agency is also making major upgrades at two of our three water tre"
Water systems and flood protection infrastructure support daily health, safety, and quality of life. Many Santa Clara County water systems are nearly 50 to 60 years old, creating an urgent need to modernize and strengthen them. Public works depend on ongoing investment, planning, and expertise, supported by an informed and engaged community. Valley Water is modernizing aging infrastructure to continue serving the community. A top priority is rebuilding Anderson Dam to withstand a major earthquake and remain the county’s largest reservoir. Progress includes excavation of a 1,700-foot outlet tunnel and completion of the final concrete lining, with installation of a large steel pipe encased in concrete. Along Coyote Creek, new channel features improve flood protection, including a North Channel weir that increases flow capacity while reducing erosion and supporting habitat, plus a South Channel weir to move water safely during high flows.
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