Is Knoxville Tap Water Safe To Drink?
Yes! The tap water is safe to drink.
Yes, tap water in Knoxville, Tennessee, is generally safe to drink. Knoxville Utilities Board treats and tests its water to meet or exceed U.S. Environmental Protection Agency and Tennessee drinking water standards.
Water quality can vary inside older buildings, especially where lead service lines or plumbing are present. Let cold water run briefly after periods of nonuse, and use a certified filter if you are concerned about lead exposure.
Last checked: 2026-08-31
United States is ranked as number 15 globally with a score of 96.2% in the water quality EPI research conducted by Yale University.
Source of Water in Knoxville, United States
Knoxville’s tap water comes primarily from the Tennessee River, which flows through the city as part of the Tennessee River watershed. Knoxville Utilities Board draws and treats this surface water for the local drinking water supply.
The water is processed at KUB’s Mark B. Whitaker Water Treatment Plant, where it undergoes filtration, disinfection, and other treatment steps. It is then stored and distributed through KUB’s water system to homes and businesses.
Knoxville Drinking Fountains
Public drinking fountains in Knoxville are generally safe to use when connected to the municipal water system and properly maintained. The water is treated to meet federal and Tennessee drinking water standards.
Avoid a fountain that is visibly dirty, damaged, discolored, or has a strong unusual odor. Let the water run briefly before drinking, especially if the fountain has not been used recently.
Drinking Water Map
Here is a map showing all the locations of drinking water spots in Knoxville. You can click on each water drop to open the spot directly in Google Maps for directions. For easy access on the go, download our iOS app to find water fountains nearby.
About the Author
Hi, I'm Emily Hartman, a researcher and water quality specialist with a background in public health.
I've spent the last few years studying how everyday water systems impact our health, and I'm passionate about making that information clear and useful for everyone.
Safe, clean tap water isn't just my job, it's something I truly care about.