Carrollton, GA
Above the new 10 ppb level coming in 2027
Latest 90th-percentile lead: 12.3 ppb (monitoring period 2024-2026). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. Under the current 15 ppb rule this is not an exceedance, but it is above the 10 ppb action level that takes over in Nov 2027. Test your own tap; filter if your result shows lead.
Carrollton at a glance
Carrollton serves about 25,200 people through 9,859 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 Carroll County, Georgia. EPA system ID: GA0450002; phone on file: 770-830-2021. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
That is up 5.5 ppb from 6.8 ppb in the period ending 2023. The highest 90th-percentile result EPA holds for Carrollton is 12.3 ppb across 5 monitoring periods, none of them over 15 ppb (1 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 12.3 ppb over 10 |
| 2023 | 6.8 ppb |
| 2020 | 3.2 ppb |
| 2017 | 1.1 ppb |
| 2016 | 0 (not detected) |
Where this result ranks
Of the 1,681 Georgia systems with a lead result, the median latest reading is 0.68 ppb; 15 are over 15 ppb right now and 131 have gone over at some point. Carrollton's 12.3 ppb sits at the 98th percentile in Georgia and the 98th nationally (higher means more lead).
Nearby utilities
9 other systems share Carroll County; 0 of them have a higher latest lead result than Carrollton. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Carroll County | 51,592 | 7 ppb |
| Villa Rica | 15,667 | 1.4 ppb |
| Bowdon | 6,180 | 1.9 ppb |
| Temple | 5,708 | 7.2 ppb |
| Mount Zion | 1,691 | 0 (not detected) |
| Whitesburg | 931 | 5.7 ppb |
| Roopville | 252 | 7.5 ppb |
| Cooks Mobile Home Park | 108 | 0.6 ppb |
| Villa Forest Mobile Home Park | 73 | 1.6 ppb |
Your move
Test your own tap with a certified lab first-draw sample; Carrollton, GA 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 Carrollton 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. This system is in the band the 2027 10 ppb rule changes.