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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
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    Meet the board members who provide leadership and oversight for the district
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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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  • Almaden Lake Improvement Project
  • Canal Maintenance Program
  • Lower Berryessa Creek Flood Protection
  • Lower Berryessa Creek Flood Protection (Phase 3)*
  • Upper Berryessa Creek Flood Protection*
  • Calabazas Creek Bank Rehabilitation Project
  • Calabazas/San Tomas Aquino Creek-Marsh Connection Project
  • Coyote Creek Flood Protection*
  • Cunningham Flood Detention Certification
  • Ecological Data Collection and Analysis*
  • FAHCE: Fish and Aquatic Habitat Collaborative Effort
    • FAHCE Final Program Environmental Impact Report
    • FAHCE-Related Board Committee Items
    • FAHCE: Adaptive Management Program
    • FAHCE: Fish Monitoring Program
    • FAHCE-Related Board Agenda Items
    • FAHCE: Certified Final EIR
  • Fish Habitat and Passage Improvement*
  • Flood Risk Assessment Studies*
  • Lower Guadalupe River Project
  • Upper Guadalupe River Flood Protection*
  • Interagency Urban Runoff Program*
  • Upper Llagas Creek Flood Protection*
  • Palo Alto Flood Basin Tide Gate Structure Replacement Project
  • Upper Penitencia Creek Flood Protection*
  • Lower Penitencia Creek Improvements Project
  • Restoration of Natural Creek Functions*
  • Permanente Creek Flood Protection*
  • San Francisco Bay Shoreline Protection*
  • San Francisquito Creek: Bay to Highway 101
  • San Francisquito Creek Flood Protection*
  • Saratoga Creek Hazard Tree Removal and Restoration Project
  • Sediment Reuse to Support Shoreline Restoration*
  • Sunnyvale East and Sunnyvale West Channels Flood Protection*
  • Vegetation Control and Sediment Removal for Capacity*
  • Vegetation Management for Access and Fire Safety*
  • Uvas Creek Levee Rehabilitation

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  1. Home
  2. Project Updates
  3. Cunningham Flood Detention Facility Certification Project

Cunningham Flood Detention Facility Certification Project

Image
Lake Cunningham Park
Status
Completed 2019
Phase
Completed 2019
Location
San Jose
Construction Schedule
Completed 2019
Cost
$11.6 M

The Cunningham Flood Detention Facility is the home to a $11.6 million flood protection project located in Lake Cunningham Regional Park.  The park has been a detention area and provides temporary storage of storm flows within the park site.  To meet FEMA certification requirements, an existing levee will be raised along Capitol Expressway and Cunningham Avenue.  A floodwall ranging from one to four feet high will also be constructed along Cunningham Avenue and Flint Creek.  These improvements, in combination with the completed Lower Silver Creek Flood Protection Project improvements, is expected to protect ~3,200 properties from a 100-year flood event.

Lake Cunningham Regional Park is located in the city of San Jose.  It is a 203 acre park sitting approximately eight miles east of downtown San Jose and is flanked by lower Silver Creek on the northwest edge and the Flint Creek on the northern border. 

This project was completed in the fall of 2019. Please see the Cunningham Flood Detention Facility Certification Project Brochure, Current Status & Neighborhood Impact and Frequently Asked Questions for details.

For more information:

  • Map of Area Planned for FEMA Hazard Zone Redesignation after completion of Cunningham Flood Detention Facility Certification Project Improvements
  • Cunningham Flood Detention Facility Project Update (January 2019)
  • See the Cunningham Flood Detention Facility Certification Project Brochure
  • Reference the Current Status & Neighborhood Impact
  • View the Frequently Asked Questions
  • Contact Public Information Representative Jose Villarreal at (408) 630-2879 or by email at [email protected].
  • Sign up to receive project updates via email.
Cunningham Flood Detention Facility Project Update (January 2019) Tap or click to open

This project was completed in the fall of 2019. Please see the Cunningham Flood Detention Facility Certification Project Brochure, Current Status & Neighborhood Impact and Frequently Asked Questions for details.

For more information:

  • Map of Area Planned for FEMA Hazard Zone Redesignation after completion of Cunningham Flood Detention Facility Certification Project Improvements
  • Cunningham Flood Detention Facility Project Update (January 2019)
  • See the Cunningham Flood Detention Facility Certification Project Brochure
  • Reference the Current Status & Neighborhood Impact
  • View the Frequently Asked Questions
  • Contact Public Information Representative Jose Villarreal at (408) 630-2879 or by email at [email protected].
  • Sign up to receive project updates via email.
Cunningham Flood Detention Facility Project Update (January 2019) Tap or click to open

Cunningham Flood Detention Facility Certification Project – Final Initial Study and Mitigated Negative Declaration

Cunningham Flood Detention Facility Final Planning Study Report

 

The improvements from the Santa Clara Valley Water District's Lake Cunningham Flood Detention Project, in combination with the benefits from the completed Lower Silver Creek Project, is expected to protect approximately 3200 properties in the surrounding neighborhood in San Jose from a 100 year flood event. Such an event has the likelihood of occurring once every 100 years according to FEMA.   

The Santa Clara Valley Water District is focused on preparing for future wet and dry years to ensure Santa Clara County's 1.9 million residents have a reliable water supply in the extreme weather events which the changing climate may bring. 

The Cunningham Flood Detention Facility is located in the Lower Silver Creek Watershed, a sub-basin of the Coyote Watershed. Nearly half of the Lower Silver Creek Watershed drains to the park, and then flows into Lower Silver Creek. In its entirety, Lower Silver Creek flows generally northward from Silver Creek Road at Barberry Lane to Coyote Creek near the U.S. 101 freeway near McKee Road.

Recorded flooding events within the Lower Silver Creek Watershed include storms in December 1889, January and March 1911, January 1952, December 1955, April 1958, January 1963, February 1983, March 1983, and close-calls during the February 1998 El Niño.

Water District staff completed their planning study in 2015, and has finalized their design recently. To fulfill the requirements of the California Environmental Quality Act, A Mitigated Negative Declaration has also been prepared for this project and adopted by the Board of Directors.

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