Wilson County, Tennessee — public water systems

How does Wilson County compare with other Tennessee counties?

Wilson County has the 67th-most active public water systems among the 323 counties listed for active Tennessee systems in EPA records; among the 152 with 3 or more systems, the median has 6. Its systems report 209,569 people served in total, the 9th-largest county figure in the state and 2.6% of the statewide total. The average system here reports serving 29,938 people, about 5.2 times the Tennessee average of 5,780. Population figures are what each system reports; people served by more than one system, such as a wholesaler and the town that buys from it, are counted by each.

Where does Wilson County's drinking water come from?

By primary water source, Wilson County's active systems draw on groundwater under influence of surface water (2, 29%), surface water (2, 29%), groundwater (1, 14%) and purchased surface water (1, 14%). Overall, 57% rely mainly on groundwater (including purchased groundwater) and 43% on surface water, compared with 80% and 20% across Tennessee. Groundwater under the influence of surface water is well or spring water that the regulator has found to be affected by nearby surface water, so it is regulated under the surface-water treatment rules. The county's largest system, West Wilson Utility District, draws primarily on surface water.

What kinds of water systems operate in Wilson County?

Wilson County's active systems break down as 7 community systems (100%). A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. EPA lists their owner types as local government (86%) and private (14%).