Loon Bay P.O.A., 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 Loon Bay P.O.A.
Loon Bay P.O.A. serves about 134 people through 52 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Stewart County, Tennessee. EPA system ID: TN0000083. Ask the utility on your bill for your address in their service line inventory.
Every lead result on file
Against the period ending 2025 (1 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Loon Bay P.O.A. is 8 ppb across 5 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2028 | 1 ppb |
| 2025 | 1 ppb |
| 2022 | 1 ppb |
| 2019 | 6.47 ppb |
| 2016 | 8 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. Loon Bay P.O.A.'s 1 ppb sits at the 25th percentile in Tennessee and the 52nd nationally (higher means more lead).
Neighbouring systems
6 other systems share Stewart County; 0 of them have a higher latest lead result than Loon Bay P.O.A.. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| North Stewart Utility District | 6,096 | 1 ppb |
| Dover Water Dept | 4,037 | 1 ppb |
| Cumberland City Water Dept | 1,023 | 1 ppb |
| West Stewart Utility District | 629 | 1 ppb |
| Doalnara Restoration Soc Usa | 123 | 1 ppb |
| Hidden Hollow Water System | 82 | 1 ppb |
Next steps for Bumpus Mills, TN
Test your own tap with a certified lab first-draw sample; Bumpus Mills, 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 Loon Bay P.O.A. 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. What a 90th-percentile result does and does not tell you: how to read a lead result. Systems that went over once often dip back under; here is what that means.