Policy Briefs synthesize existing research knowledge on a policy or practice issue of importance.
Water is technically considered a renewable resource because it can be used over and over again and it has a rain cycle. However, it is only in the short-term that water can be thought of as a renewable resource and the sustainability of this renewable resource is questionable.ne of the main reasons that water may become a non-renewable source is the population growth. The population is expanding at a speedy rate, and this is putting enormous pressure on all our resources, even the renewable ones.
Groundwater Supply & Use. Groundwater is a significant water supply source. The amount of groundwater storage dwarfs our present surface water supply. At any given moment it is 20 to 30 times greater than the amount in all the lakes, streams, and rivers of the United States. Groundwater is also an important source of surface water. It also adds about 492 billion gallons per day to U.S. surface water bodies. Its contribution to the overall flow of rivers and streams in the U.S. may be as large as 50 percent, and it is a major source of water for lakes and wetlands.