The State Water Resources Control Board experienced a data breach reported on June 8, 2023, stemming from an unauthorized disclosure that occurred on September 16, 2022. The incident exposed personal information of water right holders, including full names, addresses, phone numbers, and email addresses. While the data was compromised, there is no evidence of unauthorized access or malicious use of the exposed information. The breach did not involve financial records, sensitive government data, or critical infrastructure disruption. The affected individuals were primarily customers (water right holders), and the organization took steps to notify impacted parties while reinforcing cybersecurity measures to prevent future incidents. The breach did not escalate to ransomware, systemic outages, or broader economic or national security threats.