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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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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
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  3. Studies and Reports

Studies and Reports

Content

Here is an archive of Water Conservation Program Annual Reports and Studies.

The information on this page includes summaries and key milestones of water conservation rebates, services, studies, and programs since 2001.
 

DateTitleDescription
01/16/2026Large Landscape Program Annual Report CY 2024Summary of Valley Water's Large Landscape Program with Waterfluence in 2024. Includes program features (free landscape surveys and site-specific landscape water budgets), characteristics of participating sites, customer engagement information, and areas for future improvement.
03/05/2025FY 2017 - FY 2022 Annual Report Summary2 page summary of the Water Conservation Annual Report FY 2017-22 detailing actions taken by Valley Water and the community for fiscal years 2017 - 2022 (July 1, 2016-June 30, 2022).
03/05/2025Water Conservation Annual Report FY 2017-22Actions taken by Valley Water and the community to achieve water conservation goals for fiscal years 2017 - 2022 (July 1, 2016-June 30, 2022).  Includes program details and outreach campaign summaries.2
12/10/2024Large Landscape Program Annual Report CY 2023Summary of Valley Water's Large Landscape Program with Waterfluence in 2023.  Includes program features (free landscape surveys and site-specific landscape water budgets), characteristics of participating sites, customer engagement information, and areas for future improvement.
9/8/2023Large Landscape Program Annual Report CY 2022Summary of Valley Water's Large Landscape Program with Waterfluence in 2022.  Includes program features (free landscape surveys and site-specific landscape water budgets), characteristics of participating sites, customer engagement information, and areas for future improvement.
7/01/2022Large Landscape Program Annual Report CY 2021Summary of Valley Water's Large Landscape Program with Waterfluence in 2021.  Includes program features (free landscape surveys and site-specific landscape water budgets), characteristics of participating sites, customer engagement information, and areas for future improvement.
7/01/2021Water Conservation Strategic Plan 

The Strategic Plan provides a blueprint for meeting Valley Water’s established conservation policy objectives. It serves as a tool and reference document to inform and support Valley Water’s future conservation program marketing and design. The Plan finds that Valley Water will be able to meet its long-term conservation targets with continued implementation of its current broad set of conservation programs, but doing so will require increased customer participation and a commensurate increase in staff resources and funding. It is also recommended that Valley Water explore additional opportunities to augment and adapt its current programs.

2/26/2021Large Landscape Program Annual Report CY 2020Summary of Valley Water's Large Landscape Program with Waterfluence in 2020.  Includes program features (free landscape surveys and site-specific landscape water budgets), characteristics of participating sites, customer engagement information, and areas for future improvement.
1/10/21Landscape Rebate Water Savings Study (Summary)

This study shows that turf removal and irrigation equipment rebate programs can be successful in achieving water conservation goals, and describes factors that may contribute to program success. The study focused on single-family residences, which comprise the largest Landscape Rebate Program participant type. Water use up to three years prior to installation of a new landscape or irrigation equipment was compared to water use after installation, for a period up to five years. 

  • The average water savings for converting turf area to a landscape of low-water use species in conjunction with drip irrigation incrementally increased each year following conversion: saving on average, 31 gallons per square foot per year (gal/ft2/yr) for years 2 to 5, and saving 48 gal/ft2/yr during the fifth year following conversion.
  • The annual water savings for replacing timer-based automatic irrigation controllers with weather-based irrigation controllers with rain shut-off devices were statistically significant each year following conversion, incrementally increased each year following conversion, and were on average 9 gal/ft2/yr.
  • The annual water savings for replacing old sprinklers with high-efficiency nozzles were 1,243 gal/unit/yr on average.
  • Annual savings for replacing old sprinklers with high-efficiency nozzles including pressure regulation and/or check valves were significant in the first year following conversion, saving 1,661 gal/unit/yr on average. 

(The above content was paraphrased from the study's Abstract within this document. Additional details, figures, and analyses are found within the full study.)

3/31/2020Large Landscape Program Annual Report
CY 2019
Summary of Valley Water's Large Landscape Program with Waterfluence in 2019.  Includes program features (free landscape surveys and site-specific landscape water budgets), characteristics of participating sites, customer engagement information, and areas for future improvement.
4/25/2019Large Landscape Program Annual Report
CY 2018
Summary of Valley Water's Large Landscape Program with Waterfluence in 2018.  Includes program features (free landscape surveys and site-specific landscape water budgets), characteristics of participating sites, customer engagement information, and areas for future improvement.
12/14/2018Landscape Rebate Water Savings Study (Full Details and Statistical Information)

This study shows that turf removal and irrigation equipment rebate programs can be successful in achieving water conservation goals, and describes factors that may contribute to program success. The study focused on single-family residences, which comprise the largest Landscape Rebate Program participant type. Water use up to three years prior to installation of a new landscape or irrigation equipment was compared to water use after installation, for a period up to five years. 

  • The average water savings for converting turf area to a landscape of low-water use species in conjunction with drip irrigation incrementally increased each year following conversion: saving on average, 31 gallons per square foot per year (gal/ft2/yr) for years 2 to 5, and saving 48 gal/ft2/yr during the fifth year following conversion.
  • The annual water savings for replacing timer-based automatic irrigation controllers with weather-based irrigation controllers with rain shut-off devices were statistically significant each year following conversion, incrementally increased each year following conversion, and were on average 9 gal/ft2/yr.
  • The annual water savings for replacing old sprinklers with high-efficiency nozzles were 1,243 gal/unit/yr on average.
  • Annual savings for replacing old sprinklers with high-efficiency nozzles including pressure regulation and/or check valves were significant in the first year following conversion, saving 1,661 gal/unit/yr on average. 

(The above content was paraphrased from the study's Abstract within this document. Additional details, figures, and analyses are found within the full study.)

10/25/2018Large Landscape Program Annual Report
CY 2017
Summary of Valley Water's Large Landscape Program with Waterfluence in 2017.  Includes program features (free landscape surveys and site-specific landscape water budgets), characteristics of participating sites, customer engagement information, and areas for future improvement.
05/01/2017Water Conservation Annual Report
FY 2014-16
Actions taken by Valley Water and the community to achieve water conservation goals for fiscal years 2015 and 2016 (July 1, 2014-June 30, 2016). Includes program participation, new programs, and outreach campaign summaries.
03/10/2014Water Conservation Annual Report
FY 2012-13
Actions taken by Valley Water and the community to achieve water conservation goals for fiscal year 2013 (July 1, 2012-June 30, 2013).  Includes program details and outreach campaign summaries.
01/22/2013Water Conservation Annual Report
FY 2011-12
Actions taken by Valley Water and the community to achieve water conservation goals for fiscal year 2012 (July 1, 2011-June 30, 2012).  Includes program details, research, and partnership information.
03/01/2012Water Conservation Annual Report
FY 2010-11
Actions taken by Valley Water and the community to achieve water conservation goals for fiscal year 2011 (July 1, 2010-June 30, 2011).  Includes program details, research, and outreach information.
05/01/2011From Watts to Water
May 2011
Detailed summary of Valley Water's commitment to sustainability through water conservation and recycling. Includes details on water and energy savings as well as pollutant reduction
03/01/2011Water Conservation Annual Report
FY 2009-10
Actions taken by Valley Water and the community to achieve water conservation goals for fiscal year 2010 (July 1, 2009-June 30, 2010).  Includes program details, outreach information, and research.
06/01/2010Water Use Impacts of Artificial Turf
Study to determine whether metals, polynuclear aromatic hydrocarbon compounds, and total organic carbon are leached by rainwater from artificial turf fields.
03/01/2010Water Conservation Annual Report
FY 2008-09
Actions taken by Valley Water and the community to achieve water conservation goals for fiscal year 2009 (July 1, 2008-June 30, 2009).  Includes program details, outreach information, and research.
03/02/2009Water Conservation Annual Report
FY 2007-08
Actions taken by Valley Water and the community to achieve water conservation goals for fiscal year 2008 (July 1, 2007-June 30, 2008).  Includes program details, outreach information, and research.
09/01/2008Water Use Efficiency Strategic Plan
Provide a blueprint for meeting the policy objectives and targets of the Water Use Efficiency Strategic Plan
06/01/20082008 CII Water Use and Baseline Study
Study establishing a baseline information set regarding water use of commercial, institutional, and industrial establishment.  Contains information regarding how much water is used and how it is used.
03/03/2008Water Conservation Annual Report
FY 2006-07
Actions taken by Valley Water and the community to achieve water conservation goals for fiscal year 2007 (July 1, 2006-June 30, 2007).  Includes program details, outreach information, and research.
08/13/2007Water Submetering in Mobile Home Parks
(Submeter Savings Pilot Study)
Pilot program for water submeters to mobile home parks to assist in the conservation of water. 
03/01/2007Water Conservation Annual Report
FY 2005-06
Actions taken by Valley Water and the community to achieve water conservation goals for fiscal year 2006 (July 1, 2005-June 30, 2006).  Includes program details, outreach information, and research.
05/01/2006Pilot Water Softener Program Final Report
Evaluation of the Water Softener Rebate Pilot Program, includes program summary and review of the program's future feasibility
03/01/2006Water Conservation Annual Report
FY 2004-05
Actions taken by Valley Water and the community to achieve water conservation goals for fiscal year 2005 (July 1, 2004-June 30, 2005).  Includes program details, outreach information, and research.
03/01/2005Water Conservation Annual Report
FY 2003-04
Actions taken by Valley Water and the community to achieve water conservation goals for fiscal year 2004 (July 1, 2003-June 30, 2004).  Includes program details, outreach information, and research.
08/01/2004Residential Water Conservation Baseline StudyStudy surveying the distributions of water-using appliances, fixtures, and landscapes in residential single and multi-family homes.
03/01/2004Water Conservation Annual Report
FY 2002-03
Actions taken by Valley Water and the community to achieve water conservation goals for fiscal year 2003 (July 1, 2002-June 30, 2003).  Includes program details, outreach information, and research.
03/01/2003Water Conservation Annual Report
FY 2001-02
Actions taken by Valley Water and the community to achieve water conservation goals for fiscal year 2002 (July 1, 2001-June 30, 2002).  Includes program details, outreach information, and research.
3/01/2002Hot Water Re-circulation Pilot Study, 2002

 

The Santa Clara Valley Water District, continuously looking for ways to conserve its limited water supply, was awarded $26,000 in grant funding from the Bureau of Reclamation to supplement a Hot Water Re-circulation Pilot Study. The study, which was implemented in February 2000, had been designed to  address both the amount of water savings attributed to these systems as well as what the public's overall perception may be.

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