UPDATED 8/20/26: The Washington State Department of Health Office of Drinking Water continues to share information from our federal partners:

Defending Against a New Threat

EARLIER UPDATE: The Office of Drinking Water issued a release with additional cybersecurity information from the FBI and EPA:

Keep Your Water System Safe!

and more from the Cybersecurity and Infrastructure Agency (CISA):

The Cybersecurity and Infrastructure Security Agency (CISA) is warning water and wastewater utilities about a significant rise in cyberattacks.

To report a cyber incident, contact CISA’s 24/7 Operations Center (contact@cisa.dhs.gov), or call 1-844-Say-CISA (1-844-729-2472). Please see Reporting a Cyber Incident for more details or contact FBI’s Internet Crime Complaint Center (IC3) or your local FBI field office.

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Formal notices have been issued by the Office of Drinking Water (ODW) and Evergreen Rural Water (ERWOW) regarding the current cybersecurity threats to water systems across the country.

If you aren’t familiar with the recent events, you should review some of the national news reports concerning the threats. At a minimum, this is a reminder to tighten up your own systems if you have any online or wireless access points, along with your system’s physical security.

Direct links to formal notices are below.

Office of Drinking Water: EPA and CISA Alerts

Evergreen Rural Water: Cybersecurity Advisory