Join 270+ water agencies, businesses, and institutions driving smarter water use across California.
CalWEP is California's leading statewide network connecting water agencies, businesses, and institutions to advance conservation.
Join us September 10th in Riverside for our quarterly member event.
Connect with peers, policymakers, and practitioners at convenings designed to move California water forward together.
Accessible, expert-led online sessions on the policies, programs, and practices shaping California water efficiency.
Missed a session? Browse our archive of past events and access recordings, materials, and key takeaways. (Members Only)
Explore our pilot using AI to reclassify CII water use at scale.
Plain-language water efficiency terms translated to make conservation more accessible to every California community.
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.
From incentives to direct installation. Explore resources to help scale landscape transformation programs across the state.
Turnkey QWEL trainings help landscapers earn EPA WaterSense certification — delivered for water agencies statewide.
The Leak Repair Elite Program, developed with IAPMO, equips plumbers to identify and fix leaks in homes and businesses.
No-cost trainings for hotels, commercial kitchens, and medical facilities — offered in partnership with SoCalGas across their service area.
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.
Your one-stop destination for regulatory guidance, timelines, and all of CalWEP's compliance tools
Navigate California's NFT (AB 1572) requirements with guides, templates, and support built for water agencies on the front lines.
CalWEP shapes California water policy by amplifying the member voice on legislation, regulations, and state planning processes.
Our latest essential read — curated to keep you current on what's shaping California water efficiency practice and policy.
This guide is intended for retail water agency staff, program managers, and partners responsible for designing, implementing, or supporting CII water conservation programs.
The CalWEP M&E Guidebook offers actionable guidance for California water agencies to measure the effectiveness of urban conservation programs.
Access the legacy archive of publications from the California Urban Water Conservation Council — CalWEP's predecessor organization.

Smart Rebates is a program administered by the California Water Efficiency Partnership on behalf of its participating member agencies.
The program offers rebates to participating member agency customers for a variety of conservation products and appliances.
Need Assistance?
Smart Rebate Program: 916-552-5885 or email [email protected].
DISCLAIMER: Neither the California Water Efficiency Partnership, nor your city water utility or retail water provider, nor their contractors or agents makes any representation or warranty regarding the devices eligible for rebates under this rebate program. By participating in the rebate program, you waive and release CalWEP, your city water utility or retail water provider, and their contractors or agents, from any and all claims and causes of action arising out of the purchase, installation, or use of the devices purchased in connection with the rebate program. Any claim you may have based upon any defect or failure of performance of a device purchased by you should be pursued with the manufacturer/distributor.