Savannah Utility Department, 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 Savannah Utility Department
Savannah Utility Department serves about 19,495 people through 7,957 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 groundwater, in Hardin County, Tennessee. EPA system ID: TN0000611; phone on file: 731-925-4216. 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 (1.4 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Savannah Utility Department is 1.4 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 1 ppb |
| 2022 | 1.4 ppb |
| 2019 | 1.3 ppb |
| 2016 | 1.1 ppb |
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. Savannah Utility Department's 1 ppb sits at the 66th percentile in Tennessee and the 55th nationally (higher means more lead).
Other water systems in Hardin County
4 other systems share Hardin County; 3 of them have a higher latest lead result than Savannah Utility Department. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| First U.D. Of Hardin County | 7,602 | 0.4 ppb |
| Saltillo Utility District | 2,216 | 4.4 ppb |
| Aqua Utilities | 1,155 | 4.1 ppb |
| Harbert Hills Academy N.H. | 140 | 1.5 ppb |
Next steps for Savannah, TN
Test your own tap with a certified lab first-draw sample; Savannah, 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 Savannah Utility Department 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. Size matters more than most people expect: small vs large water systems.