The Environmental Protection Agency’s memorandum on “Addressing PWS Cybersecurity in Sanitary Surveys or an Alternate Process” is a “guide” for public water systems (PWS) to evaluate and improve their cybersecurity posture. The memorandum does provide some useful guidance and recommendations for PWS to identify, assess, and manage cybersecurity risks in their operations, including conducting vulnerability assessments, developing incident response plans, and implementing cybersecurity controls.