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,...
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.
Join us in L.A. on Sept. 11, 2025
CalWEP’s Fall Plenary is coming up, and you won’t want to miss it! This free event brings together water efficiency professionals from across California to connect, collaborate, and stay informed on the latest developments in the field. For the afternoon of this session, we will be providing the first look at CalWEP’s comprehensive non-functional turf toolkits
Register TodayThis 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,...
Updated October 2024 CalWEP, in coordination with DWR and the State Water Board, has prepared a detailed guide on the UWUO Alternative Data Process. This guidance document helps water suppliers request...
This guidebook is designed for urban water suppliers to support compliance with the State’s Water Use Efficiency Regulation. It specifically addresses the requirements under the Commercial, Industrial, and Institutional Dedicated...
One of CalWEP’s most requested resources is now available for members! Introducing CalWEP’s RFP Guidance and Template RFP for various implementation and compliance tasks associated with the “Making Conservation a...
"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."