Welcome to Joint Region Marianas

Joint Region Marianas' mission is to provide executive level installation management support to all Department of Defense components and tenants through assigned regional installations on Guam and the Northern Mariana Islands in support of training in the Marianas; to act as the interface between the Navy and the civilian community; to ensure compliance with all environmental laws and regulations, safety procedures, and equal opportunity policy; and perform other functions and tasks as may be assigned.


2012 U.S. Navy Water System Quality Report
The Safe Drinking Water Act requires the U.S. Navy Water System to issue an annual report on water quality. This report explains the quality of water supplied by the Navy, how it is treated to make it safe for drinking and how it compares to the Environmental Protection Agency's standards.

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