Lumpkin Co. - Oak Ridge Duplex, GA
Above the new 10 ppb level coming in 2027
Latest 90th-percentile lead: 12.4 ppb (monitoring period 2026-2026). 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.
About Lumpkin Co. - Oak Ridge Duplex
Lumpkin Co. - Oak Ridge Duplex serves about 25 people through 9 service connections, which makes it a very small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Lumpkin County, Georgia. EPA system ID: GA1870077; phone on file: 706-867-6580. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Every lead result on file
That is up 12.4 ppb from 0 ppb in the period ending 2025. The highest 90th-percentile result EPA holds for Lumpkin Co. - Oak Ridge Duplex is 19 ppb across 8 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 12.4 ppb over 10 |
| 2025 | 0 (not detected) |
| 2024 | 0.7 ppb |
| 2024 | 2.6 ppb |
| 2023 | 19 ppb over 15 |
| 2020 | 3.1 ppb |
| 2017 | 5.8 ppb |
| 2016 | 7 ppb |
Against other Georgia systems
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. Lumpkin Co. - Oak Ridge Duplex's 12.4 ppb sits at the 98th percentile in Georgia and the 98th nationally (higher means more lead).
Other water systems in Lumpkin County
32 other systems share Lumpkin County; 1 of them has a higher latest lead result than Lumpkin Co. - Oak Ridge Duplex. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Dahlonega | 7,500 | 1 ppb |
| Lumpkin Co. - 400 Water System | 2,379 | 1.3 ppb |
| Life Teen At Hidden Lake Water System | 390 | 0 (not detected) |
| Crawford Falls Subdivivision | 372 | 2.6 ppb |
| Brookwood & Cedar Springs Subdivisions | 334 | 1.9 ppb |
| Blueridge Overlook Subdivision | 332 | 0.6 ppb |
| Castleberry Ridge Subdivision | 248 | 2.7 ppb |
| Lumpkin Co. - Sherwood Forest Subd. | 208 | 7.1 ppb |
| Mill Creek Station | 205 | 5.4 ppb |
| Lumpkin Co. - Greenwood Park S/D | 190 | 4.6 ppb |
Your move
Test your own tap with a certified lab first-draw sample; Dahlonega, 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 Lumpkin Co. - Oak Ridge Duplex 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.