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Nearly 700 military installations have had a known or suspected release of PFAS—chemicals found in firefighting foam that can have adverse effects on human health. DOD is in the early phases of environmental investigations at these locations.
Do military installations have enough water to meet mission needs?
DOD completed 6 assessments—3 at the department level and 3 at the military-service level—and found 102 installations at risk of water scarcity.
There were 14 separate billion-dollar weather and climate disaster events in the U.S. in 2018—with a total cost of at least $91 billion. These costs will likely rise as the climate changes, researchers say.
What GAO Found The expected impacts of weather effects associated with climate change pose operational and budgetary risks to overseas infrastructure according to the Department of Defense (DOD), but DOD does not consistently track the impacts' estimated costs.
DOD and EPA have found chemicals in drinking water at or near military installations that may cause cancer and other health issues. Some of these chemicals can be found in firefighting foam and rocket propellants.
What GAO Found The Department of Defense (DOD) has captured and reported more comprehensive cost information in its environmental cost reporting for installations closed under the Base Realignment and Closure (BRAC) process since GAO last reported on the issue in 2007.