Boone County had an estimated population of 81,603 in 1999 with 79 percent on public water. The estimated 2008 population was 115,231 with 80 percent served by a water utility. In areas not served by public water, about 10 percent of the households use wells and 90 percent use other sources.
The Water Resource Development Commission has prepared a report on water supply infrastructure in the county.
It is estimated that there are over 200,000 water wells in Kentucky. The Kentucky Groundwater Data Repository, maintained by the Kentucky Geological Survey, has information on over 50,000 of these wells. The locations of wells and springs in the county for which data are available is shown on the map of wells and springs in Boone County. A map of certified well drillers in Kentucky has been prepared by the Kentucky Division of Water.