Description
Title: Update on Austin Water Infrastructure Leakage Index (ILI) Calculation [Shay Ralls Roalson, Director - Austin Water].
Summary
This memorandum from Austin Water Director Shay Ralls Roalson provides an update on the Infrastructure Leakage Index (ILI) for 2025, which is a crucial measure of water loss efficiency in public water systems. Austin Water's ILI improved from 5.44 to 5.16, indicating a 5% increase in efficiency. The memorandum highlights ongoing efforts to reduce water loss through advanced leak detection technologies, improved service line responses, and comprehensive infrastructure upgrades, including the replacement of over 185 miles of water mains. These initiatives align with the city's goal of achieving an ILI of 3.31 by 2034, emphasizing the importance of effective water management for environmental sustainability and resource conservation in Austin.