Commercial, Industrial, and Institutional (CII) customers represent one of the most important but also one of the most difficult to reach segments for water conservation outreach. These customers include everything...
CalWEP’s mission is to maximize urban water efficiency and conservation throughout California.
We do this by supporting and integrating innovative technologies and practices; encouraging effective public policies; advancing research, training, and public education; and building collaborative approaches and partnerships.
September 10, 2026
The California Water Efficiency Partnership invites members and partners to join us for our Fall 2026 Plenary in Downtown Riverside, hosted by Western Water. This one-day, in-person event will bring together water efficiency professionals from across California for facilitated discussions, peer-to-peer learning, and timely updates on shared challenges and emerging priorities.
Register Today
Commercial, Industrial, and Institutional (CII) customers represent one of the most important but also one of the most difficult to reach segments for water conservation outreach. These customers include everything...
Measurement and evaluation (M&E) of water savings are fundamental to understanding the effectiveness of urban water conservation programs. Measurement involves the systematic collection of data on water usage, program participation,...
California’s landmark Assembly Bill 1572 (AB 1572) prohibits the use of potable water to irrigate nonfunctional turf (NFT) on commercial, industrial, and institutional properties—including homeowners’ association common areas. To support...
This guidebook is designed to help water suppliers comply with the “Making Conservation as a California Way of Life” framework (WUE Regulation), focusing specifically on the classification of Commercial, Industrial,...
"When I'm looking for new resources about water conservation and efficiency, CalWEP and the Alliance for Water Efficiency are my go-to organizations. They have years of experience and have cultivated the information I need to make informed decisions."
"CalWEP is an incredible key partner in meeting water use efficiency goals and requirements. Their vital Peer to Peer events provide excellent learning opportunities. In addition, their practical tools assist water suppliers as they navigate the implementation of California’s water use efficiency regulations in support of water supply resiliency goals."
"We partner with CalWEP on our Smart Rebates program. They handle the approval, administration and processing of rebate applications and send payments directly to our customers. This important water-saving program allows District staff to focus on other water-saving endeavors."