Iron City Utility District, TN
Lead detected, under the action levels
Latest 90th-percentile lead: 4.9 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.
Iron City Utility District at a glance
Iron City Utility District serves about 732 people through 273 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 surface water, in Lawrence County, Tennessee. EPA system ID: TN0000320. Ask the utility on your bill for your address in their service line inventory.
Lead results over time
That is up 2.71 ppb from 2.19 ppb in the period ending 2022. The highest 90th-percentile result EPA holds for Iron City Utility District is 4.9 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 4.9 ppb |
| 2022 | 2.19 ppb |
| 2019 | 0.5 ppb |
| 2016 | 2.2 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. Iron City Utility District's 4.9 ppb sits at the 98th percentile in Tennessee and the 90th nationally (higher means more lead).
Other water systems in Lawrence County
8 other systems share Lawrence County; 2 of them have a higher latest lead result than Iron City Utility District. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Lawrenceburg Utility Systems | 21,244 | 7.31 ppb |
| Summertown Utility District | 5,593 | 1 ppb |
| Loretto Water Department | 5,054 | 1 ppb |
| Leoma Utility District | 4,808 | 1 ppb |
| Northeast Lawrence U.D. | 4,017 | 1 ppb |
| Fall River Rd Utility District | 3,988 | 2.76 ppb |
| St Joseph Water System | 1,533 | 1 ppb |
| West Point U.D. | 421 | 7.55 ppb |
Next steps for Iron City, TN
Test your own tap with a certified lab first-draw sample; Iron City, 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 Iron City 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. 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.