This Lean and Water Toolkit describes practical strategies for using Lean manufacturing the production system developed by Toyota to reduce water use while improving operational performance. Drawing from the experiences and best practices of multiple industry and government partners, this toolkit explores opportunities to identify and eliminate water waste, including: Water losses and leaks: Non-value added or inefficient use of water: Missed opportunities to reuse water: Wastewater discharges: Unnecessary water use and risks throughout the supply chain, Missed opportunities to address customers water-efficiency goals This toolkit is a supplement to EPAs Lean and Environment Toolkit which addresses all types of environmental wastes and improvement opportunities.