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    Banner showing a reservoir at sunset with the headline “Protect Our Reservoirs.” It warns that golden mussels threaten local recreation and urges boaters and anglers to “Clean. Drain. Dry.” Icons show prohibited wet live bait (fish, crayfish, mussels) and steps to stop the spread: remove plants, drain water, and wipe down equipment. Footer includes ValleyWater.org/GoldenMussels and logos for Santa Clara County Parks and Valley Water.
    April 3, 2026
    Golden mussels in California: What Santa Clara County needs to know

    California’s water infrastructure is facing a new threat—one that’s tiny, invasive, and alarmingly fast-spreading. Golden mussels, native to Asia, were first detected in the Delta in 2024 and have spread to several California waterbodies hydrologically connected to the Sacramento-San Joaquin Delta, including San Luis Reservoir. These invaders pose a serious risk to water delivery systems across the state, including those serving Santa Clara County.

    Why golden mussels are a threat

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    March 27, 2026
    Calling young creators: Inspire water conservation in our Every Drop Counts video contest

    By the Valley Water Youth Commission 

    How would you inspire your community to save water in just 60 seconds? That’s the challenge for middle and high school students in our Every Drop Counts Video Contest. 

    We are hosting our first-ever video contest for middle and high school students, and the theme is water conservation. Students are invited to grab the mic, show off their creativity, and inspire their community to protect one of our most important resources, water! 

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    March 25, 2026
    Statement From Valley Water Board Chair Tony Estremera regarding César Chávez Day

    The annual César Chávez Day has long represented more than the life of one person. It is a moment to recognize the broader fight for dignity, fair treatment, and the rights of farmworkers and working people whose labor sustains our communities.

    Read More
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  • Traffic and Trail Impacts

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Traffic and Trail Impacts

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From time to time our construction and maintenance projects require temporary road or lane closures, trail closures or similar impacts to vehicular or pedestrian traffic. Current and planned impacts will be noticed here.

Current Trail Impacts

Guadalupe River south of Tasman Drive

Valley Water will be conducting levee repairs along Guadalupe River south of Tasman Drive. Work is planned for the east and west creek side levees at different times. Work will entail compacting the levees to address damage caused by rodents. The repairs will help ensure the levees continue to function as constructed, for the safety of nearby people and properties. Adequate levee maintenance also ensures Valley Water’s ability to access and service streams during an emergency, such as a flood event, is maintained.

Weather permitting, the following sections of the Guadalupe River Trail south of Tasman Drive will be closed while crews are working:

  • Guadalupe River Trail East
    The east trail will be closed from Monday, February 23, through Friday, February 27, between 7:00 a.m. and 3:30 p.m. Click here to view the trail detour map.
  • Guadalupe River West Levee / Maintenance Road
    The adjacent west levee/maintenance road will be closed on weekdays, from Monday, March 2, through Friday, March 20, between 7:00 a.m. and    3:30 p.m. Click here to view the trail detour map.

Your Safety
The trails will remain open on weekends and reopen at the end of each workday. For your safety, please follow the detour and do not attempt to enter the closed trail. Crews will be using heavy machinery, focused on their tasks, and may not see people who enter the closed trail sections. A map of the trail detour is forthcoming. 
Stream Maintenance Program (2025)
As part of our Stream Maintenance Program (SMP), Valley Water performs work along creeks across Santa Clara County every summer. Under the SMP, work is conducted annually to improve the environment, reduce flood risk, and keep our communities safe. For decades, our crews have been trekking into streams to remove sediment build-up, manage vegetation, clear trash and debris, and stabilize banks that have eroded during high water flows. To download a copy of the 2025 SMP mailer, click here. The 2025 SMP season is done with no further trail impacts for the completed 2025 season.

Current Traffic Impacts

None at this time.

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