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    Image
    Box culvert in West Little Llagas Creek
    A look at a completed flood wall as part of the Coyote Creek Flood Management Measures Project.
    January 23, 2026
    Valley Water’s annual Capital Improvement Program: Projects to reduce flood risk 

    Editor’s Note: This is the first in a three-part series highlighting some of the projects included in the Capital Improvement Program Fiscal Year 2027-2031 Preliminary Five-Year Plan.

    Read More
    Image
    Valley Water completes erosion repair project along Saratoga Creek in fall 2025
    January 21, 2026
    Providing flood protection through ongoing stream maintenance projects

    Each summer, under the Stream Maintenance Program (SMP), Valley Water takes important steps to protect neighborhoods from flooding. Over time, sediment can accumulate in creeks, reducing their capacity to carry stormwater. During heavy rains, this can lead to an increased risk of flooding for nearby homes, roads and businesses.

    Read More
    Image
    Mockups Design
    January 7, 2026
    Discover how Valley Water is building climate resilience; read the latest biennial report

    Valley Water’s mission is to provide safe, clean water, protect against flooding, and care for local streams. Climate change is affecting this mission. Rising temperatures, changing rainfall patterns, more severe droughts, a declining Sierra Nevada snowpack and rising sea levels all impact water reliability, infrastructure, and ecosystem health throughout Santa Clara County.

    Read More
  • About Valley Water
    Highlights
    Mission, Vision and Values
    Learn about our core mission, vision for the future, and the values that guide us
    Board of Directors
    Meet the board members who provide leadership and oversight for the district
    Finance/Budget
    Access financial information, budgets, and fiscal reports for transparency
    Committees
    Explore our various committees and their roles in district governance
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    Leadership
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    Renewed Safe, Clean Water & Natural Flood Protection: Independent Monitoring Committee
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    Community Partnering Sponsorship Program
  • Services and Support
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Home

Main navigation

    • FAQ
    • Permits and District Business
    • Valley Water Websites
  • For Residents
    Highlights
    Access Valley Water
    Easily send requests, reports or feedback directly to helpful district staff.
    Rebates & Surveys
    Programs and rebates helping you save water and money.
    Water Conservation
    Learn the best ways to save water indoors and outdoors.
    Current Water Charges
    Valley Water is funded by property taxes, well owners, agricultural water customers and water retailers like San Jose Water Company
    Emergency & Planning
    Flood Emergency Action Plans
    Drought Information
    Local Hazard Mitigation Plan
    Get Flood Ready
    Preparation for Extended Power Outages
    Alert System Real Time Data*
    Levee Safety
    Save Water & Money
    Rebates & Surveys
    Watersavings.org
    Current Water Charges
    Water Savings Videos
    Indoor Conservation
    Outdoor Conservation
    Projects & Plans
    Projects In Your Neighbourhood
    Creek & River Projects
    Dam & Reservoir Projects
    Grants and Environmental Protection
    Infrastructure Improvement Projects
    Climate Change Action Plan
    Safe, Clean Water and Natural Flood Protection Programs
    Studies and Reports
    Hydraulic Model Data (HEC)
    Stream Maintenance Program
  • Your Water
    Highlights
    Access Valley Water
    Easily send requests, reports or feedback directly to helpful district staff.
    Current Water Charges
    Valley Water is funded by property taxes, well owners, agricultural water customers and water retailers like San Jose Water Company
    Rebates & Surveys
    Programs and rebates helping you save water and money.
    Water Conservation
    Learn the best ways to save water indoors and outdoors.
    Water Sources
    Groundwater
    Imported Water
    Local Dams and Reservoirs
    Recycled and Purified Water
    Where your water comes from
    Information & Resources
    GIS Data
    Glossary of Water Terms
    District Library
    Popular Documents and Data
    Local Dams and Reservoirs
    Water Planning
    Water Supply Master Plan
    Water Supply Planning
    Water Treatment
    Water Treatment Plants
    Water Quality
  • Learning Center
    Highlights
    Access Valley Water
    Easily send requests, reports or feedback directly to helpful district staff.
    Rebates & Surveys
    Programs and rebates helping you save water and money.
    Water Conservation
    Learn the best ways to save water indoors and outdoors.
    Current Water Charges
    Valley Water is funded by property taxes, well owners, agricultural water customers and water retailers like San Jose Water Company
    Learning & Exploration
    Next Gen Career Pathways Program
    Water Education programs and Events
    Water 101 Academy
    Public Tours
    Local Dams and Reservoirs
    Volunteer Engagement
    Volunteer and Engage
    Valley Water Youth
    Commission
    Adopt a Creek
    Grants & Partnerships
    Public Art
    Environmental Science & Conservation
    Healthy Creeks and Ecosystems
    Watersheds of Santa Clara Valley
    The Water Treatment Process
    Aerial Drone Pilot Program
  • News & Events
    Highlights
    District News
    Learn more about the latest headlines and announcements from around the district
    Events
    Find district events happening on variety of topics
    Valley Water News Blog
    Catch up on all the latest list of articles and blog posts
    Videos
    Stay up to date with the latest videos from the district
    Public Records
    Public Records feature many commonly requested documents and data sets.
    Recent News
    Image
    Box culvert in West Little Llagas Creek
    A look at a completed flood wall as part of the Coyote Creek Flood Management Measures Project.
    January 23, 2026
    Valley Water’s annual Capital Improvement Program: Projects to reduce flood risk 

    Editor’s Note: This is the first in a three-part series highlighting some of the projects included in the Capital Improvement Program Fiscal Year 2027-2031 Preliminary Five-Year Plan.

    Read More
    Image
    Valley Water completes erosion repair project along Saratoga Creek in fall 2025
    January 21, 2026
    Providing flood protection through ongoing stream maintenance projects

    Each summer, under the Stream Maintenance Program (SMP), Valley Water takes important steps to protect neighborhoods from flooding. Over time, sediment can accumulate in creeks, reducing their capacity to carry stormwater. During heavy rains, this can lead to an increased risk of flooding for nearby homes, roads and businesses.

    Read More
    Image
    Mockups Design
    January 7, 2026
    Discover how Valley Water is building climate resilience; read the latest biennial report

    Valley Water’s mission is to provide safe, clean water, protect against flooding, and care for local streams. Climate change is affecting this mission. Rising temperatures, changing rainfall patterns, more severe droughts, a declining Sierra Nevada snowpack and rising sea levels all impact water reliability, infrastructure, and ecosystem health throughout Santa Clara County.

    Read More
  • About Valley Water
    Highlights
    Mission, Vision and Values
    Learn about our core mission, vision for the future, and the values that guide us
    Board of Directors
    Meet the board members who provide leadership and oversight for the district
    Finance/Budget
    Access financial information, budgets, and fiscal reports for transparency
    Committees
    Explore our various committees and their roles in district governance
    Board Meetings, Agendas & Minutes
    Review meeting schedules, agendas, and official minutes from board meetings
    Leadership
    Board of Directors
    Board Meetings Agendas & Minutes
    Committees
    Redistricting
    Board Governance Policies
    Accountability
    Public Records
    Lobbyist Ordinance
    Grand Jury Reports
    Enterprise Systems
    Information & Resources
    Finance/Budget
    Capital Improvement Program
    Public Facilities Financing Corporation
    Community Engagement
    Renewed Safe, Clean Water & Natural Flood Protection: Independent Monitoring Committee
    Committees
    Community Partnering Sponsorship Program
  • Services and Support
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  1. Home
  2. Flooding & Safety
  3. Get Flood Ready Essential Tips
  4. Flood safety advice: Before, During, After

Flood safety advice: Before, During, After

Content

When a flood is imminent or occurring, your priority should be the physical safety of you, your loved ones, and your pets. 

Before a Flood

  • Follow Valley Water on Social Media for storm updates: X (formerlyTwitter), Facebook, Instagram and YouTube
  • Get the latest information about local creeks and reservoirs' water levels. Valley Water's Surface Water Data Portal provides relevant flood information based on the readings from rain sensors and includes Flood Watch threshold/forecast and ALERT data. 
    • Please Note: Raw real-time data is always preliminary. 
  • Get flood insurance. Visit floodsmart.gov. 
    • Ask your insurance agent about obtaining flood insurance from the National Flood Insurance Program. Typically, a 30-day wait period is required before a flood insurance policy takes effect.
    • Take photos and videos of all major household items and valuables. Retain these documents in a safe place because they are important when filing insurance claims.
  • Know your flood risk. Look up your address in the Flood Map Service Center to learn if you live, work, or travel in areas that are prone to flooding.
  • Know your neighborhood streams and drainage channel locations. Do not pollute, dump, or drain anything in creeks.
  • Save copies of birth certificates, passports, medical records and insurance papers in a safe, dry place. Keep original documents in a watertight safety deposit box.
  • Sign up for early flood warning text alerts at AlertSCC and download the American Red Cross Emergency App.
  • Develop an emergency plan and emergency kit with supplies for your home and car.
    • For templates and information on preparing your family emergency plan and kit, visit ready.gov/make-a-plan and ready.gov/kit.
    • For a detailed list of recommended supplies, visit ready.gov emergency supply list or Red Cross Flood Safety Checklist. This checklist may be a useful guides before, during, and after a flood event.
  • Designate a household meeting spot. If you are at work or school, follow the established safety protocols.
  • Move to higher ground or the highest level of a building to avoid floodwaters.
  • Keep your car’s gas tank full or fully charged.
  • Charge all electronic devices: cell phone, laptop, tablet, power bank, batteries, flashlights, battery-powered radio, etc.
  • Prepare your home for a flood and minimize losses.
    • Protect Your Home from Flooding
    • Stop floodwater from entering your home with materials like plywood, plastic sheeting, and sandbags. 
    • Seal cracks in your home’s foundation, exterior home walls, and small openings around pipes.
    • Keep rain gutters and downspouts free of debris.
    • Tarp or seed unvegetated slopes on your property.
    • Learn how to turn off utilities at the main switches or valves. Disconnect electrical appliances. Do not touch electrical equipment if you are wet or standing in water.
    • FEMA's Homeowner’s Guide to Retrofitting: Six Ways to Prevent Your Home from Flooding
    • Waterproof your basement. Install a water alarm and maintain a working sump pump to protect your basement. Install a battery-operated backup pump in case of power failure.
    • Elevate and anchor your critical utilities, including electrical panels, propane tanks, sockets, wiring, appliances, and heating systems.
    • Move furniture and valuables to a safe place, such as an attic or the highest floor of your home.
  • Build responsibly: check with your local floodplain manager before you build.

Additional Resources for Protecting Your Property:

  • Learn how to keep your family safe during a flood.  American Red Cross flood preparedness.
  • Resources for policyholders living in manufactured (mobile) home.  Protecting Manufactured Homes from Floods and Other Hazards
  • Information on protecting critical utilities, like water heaters and HVAC systems, from flood damage. Protecting Building Utility Systems from Flood Damage
  • Mitigation options for homes that cannot be elevated. Reducing Flood Risk to Residential Buildings that Cannot be Elevated

During a Flood

  • Report creek blockages and local street flooding.
  • Be aware that flash flooding can occur. If a flood is imminent, avoid low-lying areas and seek shelter in the highest spot possible. If told not to evacuate or it’s too late to evacuate, shelter in place.
  • If advised to evacuate, do so immediately. If you are at work or school, follow the established safety protocols. Evacuation is safer and easier before floodwaters become too deep. For more information, see www.ready.gov/evacuation.
  • Moving water is dangerous. Six inches of moving water can cause a person to fall off his/her feet. If you have to walk in water, walk where it is not moving. Use a stick to check the firmness of the ground in front of you and aid in balance.
  • Understand shallow flooding risks – don’t drive through standing water. Turn Around Don’t Drown® — If floodwaters rise around your car, abandon the car and move to higher ground. A foot of water will cause many vehicles to float. Two feet of rushing water can carry away most vehicles, including SUVs and pick-ups.
  • NEVER drive around barricades. Local responders use them to safely direct traffic out of flooded areas.
  • Stay alert by monitoring the local news, weather reports, and emergency advisories. Tune to emergency radio stations and sign up for emergency alerts.

After a Flood

  • Never walk, swim, drive, or play in floodwater. Oil, gasoline, or raw sewage may have contaminated the water. Underground or downed power lines may also have electrically charged the water.  
  • Please stay away from downed power lines and report them to your power company. Do not attempt to turn on a gas meter if the service is disconnected. Contact your utility and or your local police department.
  • Return home only when authorities indicate it is safe.
  • Service damaged septic tanks, cesspools, pits, and leaching systems as soon as possible. Damaged sewage systems are serious health hazards.  
  • Clean and disinfect everything wet. Mud left from floodwater can contain sewage and chemicals.  
  • Any repairs or improvements greater than 50 percent of a structure’s value need to meet National Flood Insurance Program requirements.
  • Listen for news reports on whether the community's water supply is safe to drink.

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Santa Clara Valley Water District 2025
Pollution Hotline 888-510-5151
Phone: 408-265-2600