Tn American Sequatchie Valley, 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.
Tn American Sequatchie Valley at a glance
Tn American Sequatchie Valley serves about 8,001 people through 3,226 service connections, which makes it a medium-sized system under EPA's size classes. It is privately owned and draws surface water, in Marion County, Tennessee. EPA system ID: TN0000749; phone on file: 423-771-4705. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
Against the period ending 2022 (1 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Tn American Sequatchie Valley is 1 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 1 ppb |
| 2022 | 1 ppb |
| 2019 | 0.1 ppb |
| 2016 | 1 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. Tn American Sequatchie Valley's 1 ppb sits at the 51st percentile in Tennessee and the 55th nationally (higher means more lead).
Neighbouring systems
6 other systems share Marion County; 1 of them has a higher latest lead result than Tn American Sequatchie Valley. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Jasper Water Dept | 9,779 | 1 ppb |
| South Pittsburg Water System | 7,276 | 2.7 ppb |
| Jasper Highlands Water System | 1,280 | 1 ppb |
| Griffith Creek U.D. | 1,104 | 0.3 ppb |
| Suck Creek Water System | 645 | 1 ppb |
| River Landing Condominium Assoc | 52 | 1 ppb |
Next steps for Chattanooga, TN
Test your own tap with a certified lab first-draw sample; Chattanooga, 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 Tn American Sequatchie Valley 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.