Rockwood Water, Sewer & Gas, 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 Rockwood Water, Sewer & Gas
Rockwood Water, Sewer & Gas serves about 11,412 people through 4,696 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 surface water, in Roane County, Tennessee. EPA system ID: TN0000590; phone on file: 865-354-4221. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Rockwood Water, Sewer & Gas's lead record
Against the period ending 2025 (1 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Rockwood Water, Sewer & Gas is 1.4 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 | 0.01 ppb |
| 2016 | 1.4 ppb |
How Rockwood Water, Sewer & Gas compares
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. Rockwood Water, Sewer & Gas's 1 ppb sits at the 59th percentile in Tennessee and the 55th nationally (higher means more lead).
Nearby utilities
6 other systems share Roane County; 1 of them has a higher latest lead result than Rockwood Water, Sewer & Gas. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Harriman Utility Board | 16,653 | 1 ppb |
| Cumberland Utility District | 14,085 | 0.3 ppb |
| Kingston Water System | 11,392 | 4.3 ppb |
| Oliver Springs Water Board | 5,361 | 1 ppb |
| Roane Central Utility District | 5,317 | 1 ppb |
| Watts Bar East U.D. | 4,280 | 1 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Rockwood, 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 Rockwood Water, Sewer & Gas 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.