Created using data from the United States Geological Society's hydrography database, the map clearly shows the uneven natural distribution of water across the U.S. Far more rivers and lakes criss ...

A recent U.S. Environmental Protection Agency report concluded that 55% of United States ... needed water and beauty for all of us. Above is a different version of the zoomed-out map.

It allows anyone to click on any place where a raindrop would fall in the United States ... said the maps can help the public gain a better understanding of how watersheds and water systems ...