The $13.5 billion in stimulus dollars for water projects announced in February could be just the start of a robust funding stream that will keep contractors busy in California for years to come. More than $441 million in American Recovery and Reinvestment Act money will go to California wastewater and drinking water projects through the existing Environmental Protection Agency/California Water Board Clean Water and Drinking Water revolving fund grant programs. News of the influx of funding without the usual 20% match requirement brought a flood of projects to the state Water Board for consideration. Since the beginning of the year,
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.