Shared
Information.
Stronger
Water
Security.

Join WaterISAC, the international security network created by and for the water and wastewater sector.

Become a Member

Kit of Parts

An overview of available Cornerstone layout components
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Trust

Trust

We uphold the highest standards of integrity, confidentiality, and respect — creating a trusted space where members can share and learn with confidence.

Trust

Trust

We uphold the highest standards of integrity, confidentiality, and respect — creating a trusted space where members can share and learn with confidence.

Trust

Trust

We uphold the highest standards of integrity, confidentiality, and respect — creating a trusted space where members can share and learn with confidence.

Trust

Trust

We uphold the highest standards of integrity, confidentiality, and respect — creating a trusted space where members can share and learn with confidence.

Trust

Trust

We uphold the highest standards of integrity, confidentiality, and respect — creating a trusted space where members can share and learn with confidence.

Trust

Trust

We uphold the highest standards of integrity, confidentiality, and respect — creating a trusted space where members can share and learn with confidence.

Membership Eligibility

You are eligible to join WaterISAC if you meet these conditions:

1. Your job responsibilities include management, security or emergency response, and

2. You are based in the United States, Canada, Australia, New Zealand, the United Kingdom or the Netherlands and you work for one of these types of organizations:

  • Water and wastewater service provider, retail or wholesale.

  • Local, state/provincial or federal government agency with responsibility for water resources, security, emergency management, public or environmental health or law enforcement.

  • Consulting or engineering firm contracted by water sector utilities to support utility operations or management, or development and implementation of their critical infrastructure protection programs.

  • Water and wastewater utility industry association.

3. You agree to abide by WaterISAC's Terms and Conditions for handling sensitive information.

WaterISAC Champions are subject-matter experts in physical and cyber security, resilience, and emergency preparedness. Each firm offers its unique support to our members and the sector at-large. Champions are considered leaders in their spaces and one-of-a-kind solution providers.

Check out each of our Champions below and the resources they provide the sector.

Become a WaterISAC Champion
Latest postings

(TLP:CLEAR) Claude Mythos Preview: The AI Inflection Point in Vulnerability Management

Apr 16, 2026 IN
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(TLP:CLEAR) Microsoft Patches SharePoint Zero-Day and Other Significant Vulnerabilities in 2nd Largest Microsoft Patch Tuesday Ever

Apr 16, 2026 IN
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Security Preparedness

(TLP:CLEAR) Securin Cyber Threat Intelligence Report: Water & Wastewater Systems

Apr 16, 2026 IN
Cybersecurity
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OT-ICS Security
, 
Security Preparedness
Become a Member
 
  • Cyber and physical threat alerts and analyses
  • Vast library of reports, best practices and tools
  • Free webcasts on water sector security and resilience
  • Curated to focus solely on the needs of water and wastewater systems
  • Chem/Bio contaminant databases
  • Twice-weekly updates
  • Access to all information for dozens of your staff
  • Upgrade option for cyber threat monitoring by Perch Security
  • And more...
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For sector professionals who need the latest resources and information.

Become a Member
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What Our Members Say

“ WaterISAC provides in-depth water safety and security information not available anywhere else. ”

Security Manager
Metro Water Services of Nashville

“ What I value most is very timely access to a wealth of relevant information. The WaterISAC resource library is quite impressive, and new items are added on a daily basis spanning a wide array of security and emergency management subjects. ”

Asset & Emergency Management Specialist
Mount Pleasant Waterworks, S.C.

“ You are flying blind if you are not a member of WaterISAC. You will likely never have the in-house resources to fully understand all of the threats out there. ”
Assistant General Manager-Water
Los Angeles Dept. of Water & Power
“ I consider WaterISAC the most valuable source I have for water and wastewater situational awareness. It’s a force multiplier for me because I am a one person shop and the account lets me share content with multiple users. ”
Security & Emergency Manager
Cape Fear Public Utility Authority, N.C.
“ WaterISAC allows you to cut through the noise of security information from other sources. Most utilities have limited budgets and WaterISAC has stepped up to provide security threat information that is easily accessible and reasonably priced.”
Water Security Manager
Milwaukee Water Works
“ WaterISAC provides us with all the information that is relevant to our industry, all in one fell swoop, so we don’t have to hunt for it. I most value WaterISAC for its consolidation of threats that are coming in around the world that are directly to the water sector. ”
Senior Engineer
Greater Cincinnati Water Works
“ WaterISAC provides vital water security knowledge and information for utilities. ”
Assistant Water Services Director
Phoenix Water Services Department