The main purpose of this legislation, known as the Water Cybersecurity Enhancement Act of 2025, is to improve the security of public water systems against cyberattacks. It aims to provide funding for training programs that help water system operators learn how to protect their systems and respond effectively to cyber threats. Key provisions of this law include extending the timeframe for grants under the Drinking Water Infrastructure Risk and Resilience Program from the years 2020 and 2021 to a new period from 2026 through 2031.