ACWA Climate Change Policy Principles Apr 30, 2024 Policy Documents Climate change impacts in California are occurring, with substantial further effects likely to emerge through this century. Climate change impacts – which include aridification, reduced snowpack, shorter and more intense precipitation events, more severe drought periods, and sea level rise – will fundamentally change water management. In response to these impacts, ACWA’s Board of Directors adopted the following policy principles that call for flexible solutions and additional investments that support water managers’ ability to implement the actions necessary to ensure a high quality and reliable water supply. Download the policy principles