* Although the U.S. Geological Survey collects data every five years, there are a few years of delay in releasing the data in order to fully process it.
Years Available: 1995, 2005, 2010, 2015
Permanent Link: http://data.sagepub.com/sagestats/6382
General Notes: *Median value gives the value for the "average" county for this metric, the 50th percentile of all counties reporting data. **Water withdrawn by public and private water suppliers that furnish water to at least 25 people or have a minimum of 15 connections. Public suppliers provide water for a variety of uses, such as domestic, commercial, industrial, thermoelectric-power, and public water use. Water that contains 1,000 mg/L or more of dissolved solids.