All U.S. drinking water and wastewater systems may subscribe to WaterISAC and SUBSCRIBING IS EASY with the telephone assistance of a WaterISAC customer service agent. Just call (toll-free) 1-866-H2OISAC (1-866-426-4722). Alternatively, new subscribers may download an application.

Individual System Subscription Agreement

Multiple Systems Subscription Agreement
(for corporations owning multiple utilities)

Additional User Agreement

User Replacement Agreement for Utilities

User Replacement Agreement for State Primacy Agencies

State Primacy Agreement

Subscribers must agree to protect WaterISAC’s sensitive information from disclosure and establish protocols for handling the information within the utility. Individual users within a subscribing utility are provided a smart card, card reader and access code for logging into the WaterISAC’s highly secure portal.

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1620 I Street, NW, Suite 500

Washington, DC 20006