Lenoir City Utility Board, TN
Lead detected, under the action levels
Latest 90th-percentile lead: 1 ppb (monitoring period 2023-2025). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. Lead was measured in sampled homes but the 90th percentile is under both action levels. EPA's health goal for lead is zero, so test your own tap if your home was built before 1986 or anyone in it is pregnant or a young child.
About Lenoir City Utility Board
Lenoir City Utility Board serves about 34,786 people through 13,804 service connections, which makes it a large system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Loudon County, Tennessee. EPA system ID: TN0000396; phone on file: 865-988-0725. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lenoir City Utility Board's lead record
Against the period ending 2022 (1 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Lenoir City Utility Board is 13.4 ppb across 4 monitoring periods, none of them over 15 ppb (1 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 1 ppb |
| 2022 | 1 ppb |
| 2019 | 1.95 ppb |
| 2016 | 13.4 ppb over 10 |
Against other Tennessee systems
Of the 453 Tennessee systems with a lead result, the median latest reading is 1 ppb; 0 are over 15 ppb right now and 10 have gone over at some point. Lenoir City Utility Board's 1 ppb sits at the 72nd percentile in Tennessee and the 56th nationally (higher means more lead).
Other water systems in Loudon County
2 other systems share Loudon County; 0 of them have a higher latest lead result than Lenoir City Utility Board. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Loudon Utilities Board | 16,047 | 1 ppb |
| Tellico Village P.O.A. | 15,233 | 1 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Lenoir City, TN may offer free or low-cost kits through the utility. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Lenoir City Utility Board whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 635000 ppb (copper action level 1,300 ppb).
These figures describe homes the utility sampled, not your tap. Only your service line record or a test of your own water answers the question for your house. What a 90th-percentile result does and does not tell you: how to read a lead result. The action level is dropping - the 10 ppb rule from 2027.