Officials at the nation’s largest drinking-water association called for a new mechanism to fund water infrastructure that is generating buzz on Capitol Hill: a national infrastructure bank. Meeting for their yearly conference June 14-18 in San Diego, American Water Works Association officials announced they would work with lawmakers in Washington, D.C., to push for legislation that would establish a bank to support water infrastructure projects. The current credit crunch has made it “hard for communities to access capital for critical infrastructure projects,” despite the infusion of funds from the American Recovery and Reinvestment Act, said Michael Leonard, AWWA’s 2008-2009 president
Arch dams, classically curved monoliths situated in narrow valleys, are not as common as other types of dams, such as embankment dams and gravity dams. ENR takes a look at some of the biggest arch dams in the world, both completed and under construction.