© NRW Analytics · NRWAnalytics.com. Methodology references the IWA Standard Water Balance and Water Loss Specialist Group, and AWWA M36 Water Audits & Loss Control Programs with the AWWA Free Water Audit Software. AWWA and IWA are independent organizations; this site is not endorsed by or affiliated with them, and their publications are referenced for methodology only. Utility performance figures are as publicly reported by the respective utilities and agencies and are provided for context, not as a guarantee of outcomes. Scorecard, water-balance, donut and calculator figures are illustrative.