EPA withdraws controversial memo implementing cyber requirements for drinking water systems

The U.S. Environmental Protection Agency is withdrawing a controversial memorandum that set up requirements for drinking water systems to consider cybersecurity as part of the sanitary survey process, following a court case challenging the EPA regulation from three states and trade associations.

“Due to litigation (State of Missouri, et al v. U.S. EPA), the U.S. Environmental Protection Agency (EPA) has chosen to rescind the interpretive memorandum issued on March 3, 2023, Addressing Public Water System Cybersecurity in Sanitary Surveys of...