Estimating Domestic Self-Supply Water Use for the Delaware River Basin, 2010 U.S. Census Blocks
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 …