Luttrell-Blaine-Corryton U.D., TN
Lead detected, under the action levels
Latest 90th-percentile lead: 1 ppb (monitoring period 2026-2028). 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 Luttrell-Blaine-Corryton U.D.
Luttrell-Blaine-Corryton U.D. serves about 10,529 people through 4,043 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 Union County, Tennessee. EPA system ID: TN0000415; phone on file: 865-992-8611. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Lead results over time
Against the period ending 2025 (1 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Luttrell-Blaine-Corryton U.D. is 3.2 ppb across 6 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2028 | 1 ppb |
| 2025 | 1 ppb |
| 2022 | 1.38 ppb |
| 2020 | 1.38 ppb |
| 2019 | 2.85 ppb |
| 2016 | 3.2 ppb |
How Luttrell-Blaine-Corryton U.D. compares
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. Luttrell-Blaine-Corryton U.D.'s 1 ppb sits at the 57th percentile in Tennessee and the 55th nationally (higher means more lead).
Neighbouring systems
3 other systems share Union County; 2 of them have a higher latest lead result than Luttrell-Blaine-Corryton U.D.. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Maynardville Water Dept | 7,940 | 2 ppb |
| Old Hickory Wat Co-Union County | 342 | 1 ppb |
| Leadmine Bend Water Assoc. | 120 | 1.5 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Luttrell, 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 Luttrell-Blaine-Corryton U.D. whether it covers that cost before hiring anyone - many utilities now do.
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. Why sampled homes are the worst-case ones is in the guide to reading the number. Size matters more than most people expect: small vs large water systems.