The 2010 study examined pumping from wells on the base and also pumping from other wells in the area.
More than 8,800 military personnel who were once stationed in Arizona have unclaimed money waiting for them.
The official said there are about 2,600 troops now at staging bases, largely in Texas.
Men and women on Navy ships faced the highest rates of sexual assaults in the military, according to newly released data.
The Heritage Index assessed U.S. military strength across the service branches on a five-tiered scale.
U.S. Army Recruiting Command is reducing its force by roughly 1,700 recruiters over the next year.
Robert Teichgraeber, 100, survived 421 days as a prisoner of war.
By the end of the spring, there will be 294 new naval aviation officers.
Members of II Marine Expeditionary Force wrapped up a training exercise last week that ran from North Carolina to New York.