This report focuses exclusively on the water loss portion of the 2017 Water Efficiency and Conservation State Scorecard: An Assessment of Laws. All 50 states were ranked based on state laws promoting water loss control. These ranks are displayed in a map, indicating which states have strong water loss control laws and where there is opportunity for improvement. Different topic areas within water loss control are described, including state funding for M36-compliant technical assistance, audit requirements, and leak detection and correction requirements.