Hornbeak Utility District, 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 Hornbeak Utility District
Hornbeak Utility District serves about 1,416 people through 600 service connections, which makes it a small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Obion County, Tennessee. EPA system ID: TN0000311. Ask the utility on your bill for your address in their service line inventory.
Every lead result on file
Against the period ending 2022 (1 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Hornbeak Utility District is 1.06 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 1 ppb |
| 2022 | 1 ppb |
| 2019 | 0.5 ppb |
| 2016 | 1.06 ppb |
Where this result ranks
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. Hornbeak Utility District's 1 ppb sits at the 31st percentile in Tennessee and the 54th nationally (higher means more lead).
Other water systems in Obion County
9 other systems share Obion County; 3 of them have a higher latest lead result than Hornbeak Utility District. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Union City Water Dept | 16,180 | 1.5 ppb |
| South Fulton Water System | 4,043 | 0.9 ppb |
| Elbridge Water Association | 3,239 | 1 ppb |
| Troy Water System | 2,096 | 0.5 ppb |
| Obion Water Dept | 1,615 | 1.5 ppb |
| Kenton Water Dept | 1,492 | 0.9 ppb |
| Samburg Utility District | 758 | 1 ppb |
| Reelfoot Water Association | 644 | 1 ppb |
| Mason Hall Development Corp | 211 | 2.6 ppb |
Next steps for Hornbeak, TN
Test your own tap with a certified lab first-draw sample; Hornbeak, 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 Hornbeak Utility District 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. The action level is dropping - the 10 ppb rule from 2027.