Estimating Domestic Self-Supply Water Use for the Delaware River Basin, 2010 U.S. Census Block Groups
According to the U.S. Geological Survey, an estimated 258 million people nationwide, 
or 86% of the U.S. population, relied on public water supplies for their household use 
in 2005 (USGS, 2013). The remaining population obtains their water from different 
sources, such as a domestic self-supply well. However, the …