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  • About

    Membership

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    Join 270+ organizations

    Join 270+ water agencies, businesses, and institutions driving smarter water use across California.

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    Who We Are

    CalWEP is California's leading statewide network connecting water agencies, businesses, and institutions to advance conservation.

    Learn more

    Our History

    A look at how CalWEP has advanced urban water efficiency across California.

    Our history

    Our People

    Meet the staff and board behind CalWEP.

    Staff & Board
  • Events

    Featured Event

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    CalWEP's Fall Plenary

    Join us September 10th in Riverside for our quarterly member event.

    View Event

    In-person events

    Connect with peers, policymakers, and practitioners at convenings designed to move California water forward together.

    View Upcoming Events

    Webinars

    Accessible, expert-led online sessions on the policies, programs, and practices shaping California water efficiency.

    View Upcoming Events

    Past Events

    Missed a session? Browse our archive of past events and access recordings, materials, and key takeaways. (Members Only)

    Browse Archive
  • Tools

    Featured Programs

    Browse Tools

    Smart Rebates Program

    A turnkey rebate program for water agencies.

    Learn More

    Direct Distribution Program

    An innovative, low-barrier incentive program.

    Learn More

    AI-assisted CII Classification

    Explore our pilot using AI to reclassify CII water use at scale.

    Multilingual glossary

    Plain-language water efficiency terms translated to make conservation more accessible to every California community.

    Explore the Glossary

    Implementation Guides

    Step-by-step guides for common water efficiency programs developed to help water agencies put best practices into action. This is a member-only resource.

    Access the Guides

    Landscape Transformation Resources

    From incentives to direct installation. Explore resources to help scale landscape transformation programs across the state.

    Explore Resources
  • Trainings

    Upcoming Trainings

    All Trainings
    QWEL (English) - Solano County

    QWEL (English) - Solano County

    September 14, 2026

    Learn More
    Educational Facilities - California Water Association

    Educational Facilities - California Water Association

    September 25, 2026

    Learn More
    QWEL - CalWEP Member Training

    QWEL - CalWEP Member Training

    October 1, 2026

    Learn More

    For Landscapers

    Turnkey QWEL trainings help landscapers earn EPA WaterSense certification — delivered for water agencies statewide.

    Learn More

    For Plumbers

    The Leak Repair Elite Program, developed with IAPMO, equips plumbers to identify and fix leaks in homes and businesses.

    Learn more

    Water + Energy Connection

    No-cost trainings for hotels, commercial kitchens, and medical facilities — offered in partnership with SoCalGas across their service area.

    Learn More
  • Compliance

    Featured Resource

    CalWEP LAM Explorer Powered by Waterview

    The CalWEP LAM Explorer Powered by WaterView helps urban water suppliers meet California’s Making Conservation a Way of Life regulations. This dataset provides essential information for both the residential outdoor and CII-DIM water use standards.

    Learn More

    Compliance Resources Hub

    Your one-stop destination for regulatory guidance, timelines, and all of CalWEP's compliance tools

    Explore the Hub

    Nonfunctional Turf Resources

    Navigate California's NFT (AB 1572) requirements with guides, templates, and support built for water agencies on the front lines.

    Explore Resources

    Advocacy

    CalWEP shapes California water policy by amplifying the member voice on legislation, regulations, and state planning processes.

    Learn More
  • Publications

    Featured Publication

    All Publications

    Less Lawn, More Compliance

    Our latest essential read — curated to keep you current on what's shaping California water efficiency practice and policy.

    Read Guide

    CII Outreach Guide

    This guide is intended for retail water agency staff, program managers, and partners responsible for designing, implementing, or supporting CII water conservation programs.

    View & Download

    Estimating Water Savings

    The CalWEP M&E Guidebook offers actionable guidance for California water agencies to measure the effectiveness of urban conservation programs.

    View & Download

    CUWCC Archive

    Access the legacy archive of publications from the California Urban Water Conservation Council — CalWEP's predecessor organization.

    Browse
  • MyCalWEP
 
  • About

    Membership

    View Members

    Join 270+ organizations

    Join 270+ water agencies, businesses, and institutions driving smarter water use across California.

    Become a member

    Who We Are

    CalWEP is California's leading statewide network connecting water agencies, businesses, and institutions to advance conservation.

    Learn more

    Our History

    A look at how CalWEP has advanced urban water efficiency across California.

    Our history

    Our People

    Meet the staff and board behind CalWEP.

    Staff & Board
  • Events

    Featured Event

    View Events

    CalWEP's Fall Plenary

    Join us September 10th in Riverside for our quarterly member event.

    View Event

    In-person events

    Connect with peers, policymakers, and practitioners at convenings designed to move California water forward together.

    View Upcoming Events

    Webinars

    Accessible, expert-led online sessions on the policies, programs, and practices shaping California water efficiency.

    View Upcoming Events

    Past Events

    Missed a session? Browse our archive of past events and access recordings, materials, and key takeaways. (Members Only)

    Browse Archive
  • Tools

    Featured Programs

    Browse Tools

    Smart Rebates Program

    A turnkey rebate program for water agencies.

    Learn More

    Direct Distribution Program

    An innovative, low-barrier incentive program.

    Learn More

    AI-assisted CII Classification

    Explore our pilot using AI to reclassify CII water use at scale.

    Multilingual glossary

    Plain-language water efficiency terms translated to make conservation more accessible to every California community.

    Explore the Glossary

    Implementation Guides

    Step-by-step guides for common water efficiency programs developed to help water agencies put best practices into action. This is a member-only resource.

    Access the Guides

    Landscape Transformation Resources

    From incentives to direct installation. Explore resources to help scale landscape transformation programs across the state.

    Explore Resources
  • Trainings

    Upcoming Trainings

    All Trainings
    QWEL (English) - Solano County

    QWEL (English) - Solano County

    September 14, 2026

    Learn More
    Educational Facilities - California Water Association

    Educational Facilities - California Water Association

    September 25, 2026

    Learn More
    QWEL - CalWEP Member Training

    QWEL - CalWEP Member Training

    October 1, 2026

    Learn More

    For Landscapers

    Turnkey QWEL trainings help landscapers earn EPA WaterSense certification — delivered for water agencies statewide.

    Learn More

    For Plumbers

    The Leak Repair Elite Program, developed with IAPMO, equips plumbers to identify and fix leaks in homes and businesses.

    Learn more

    Water + Energy Connection

    No-cost trainings for hotels, commercial kitchens, and medical facilities — offered in partnership with SoCalGas across their service area.

    Learn More
  • Compliance

    Featured Resource

    CalWEP LAM Explorer Powered by Waterview

    The CalWEP LAM Explorer Powered by WaterView helps urban water suppliers meet California’s Making Conservation a Way of Life regulations. This dataset provides essential information for both the residential outdoor and CII-DIM water use standards.

    Learn More

    Compliance Resources Hub

    Your one-stop destination for regulatory guidance, timelines, and all of CalWEP's compliance tools

    Explore the Hub

    Nonfunctional Turf Resources

    Navigate California's NFT (AB 1572) requirements with guides, templates, and support built for water agencies on the front lines.

    Explore Resources

    Advocacy

    CalWEP shapes California water policy by amplifying the member voice on legislation, regulations, and state planning processes.

    Learn More
  • Publications

    Featured Publication

    All Publications

    Less Lawn, More Compliance

    Our latest essential read — curated to keep you current on what's shaping California water efficiency practice and policy.

    Read Guide

    CII Outreach Guide

    This guide is intended for retail water agency staff, program managers, and partners responsible for designing, implementing, or supporting CII water conservation programs.

    View & Download

    Estimating Water Savings

    The CalWEP M&E Guidebook offers actionable guidance for California water agencies to measure the effectiveness of urban conservation programs.

    View & Download

    CUWCC Archive

    Access the legacy archive of publications from the California Urban Water Conservation Council — CalWEP's predecessor organization.

    Browse
  • MyCalWEP
  • The Framework
  • Implementation Guides
  • Compliance Resource Hub
  • Hide All
  • Show All
  • Indoor Residential Standard
  • CII Performance Measures
  • Water Loss
  • Non-Functional Turf (AB 1572)
  • CII DIM and MUM
  • Outdoor Residential Standard
  • 2025
    • Indoor Residential Standard Drops to 47 GPCD
      Jan 2025
    • Identify Disclosable Buildings
      Jan 2025
    • CIl Classification Option 1: Identify top 2.5% and top 20% of overall users
      Jul 2025
  • 2026
    • Water Loss: Updated pressure management questionnaire due
      Jul 2026
  • 2027
    • Report a copy of a supplier’s regulation, ordinance, or policy governing water service that shows the supplier’s compliance with Water Code section 10608.14
      Jan 2027
    • All properties owned by the Department of General Services and local governments must comply with AB 1572
      Jan 2027
    • Classify all CII water users
      Jul 2027
    • CII Classification Option 2: Identify top 2.5% of overall users and top 20% of users for each of the 22 classification categories
      Jul 2027
    • CII MUM Option 1: Measure and identify all CII-MUMs with large landscapes
      Jul 2027
    • Water Loss: Updated asset management questionnaire due
      Jul 2027
  • 2028
    • Suppliers must meet Water Loss standard
      Jan 2028
    • All remaining institutional, commercial, and industrial properties must comply with AB 1572
      Jan 2028
    • DIM Landscape Area Measurement (LAM) required for CII-DIM standard
      Jul 2028
  • 2029
    • Water Loss: Leak Registry Due
      Jan 2029
    • All common areas of homeowners’ associations and community service organizations must compl
      Jan 2029
    • CII MUM Option 2: Identify all existing CII water users associated with a large landscape and for which estimated outdoor water use exceeds the water budget calculated pursuant to subdivision
      Jul 2029
    • CII Classification Option 3: Identify inefficient users according to Key Business Activity Indicators (KBAI) developed for each classification category
      Jul 2029
  • 2030
    • 2031
      • Properties owned by local governments in disadvantaged communities must comply with AB 1572, contingent on available funding.
        Jan 2031
    • 2032
      • Water Loss: Leak Registry Due
        Jan 2032
    • 2033
      • 2034
        • 2035
          • CII DIM Standard drops to 0.63
            Jan 2035
          • Outdoor Residential Standard Drops to 0.63
            Jul 2035
        • 2036
          • 2037
            • 2038
              • 2039
                • Design and Implement CII BMPs
                  Jun 2039
                • Convert Large Landscape MUMs to DIMs or In-Lieu Technologies
                  Jun 2039
              • 2040
                • CII DIM Standard drops to 0.45
                  Jan 2040
                • Outdoor Residential Standard drops to 0.55
                  Jan 2040

              Non-Functional Turf (AB 1572)

              Report a copy of a supplier’s regulation, ordinance, or policy governing water service that shows the supplier’s compliance with Water Code section 10608.14

              KEY DATE: January 1st, 2027
              California Water Efficiency Partnership

              Making conservation a way of life since 1991

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              Sacramento, CA 95814
              (916) 552-5885

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