Lanier Woods Subdivision, GA
Lead detected, under the action levels
Latest 90th-percentile lead: 0.7 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.
Who runs the water here
Lanier Woods Subdivision serves about 182 people through 36 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws surface water, in Forsyth County, Georgia. EPA system ID: GA1170047; phone on file: 770-887-3211. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Every lead result on file
Against the period ending 2022 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Lanier Woods Subdivision is 0.7 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0.7 ppb |
| 2022 | 0 (not detected) |
| 2019 | 0 (not detected) |
| 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. Lanier Woods Subdivision's 0.7 ppb sits at the 51st percentile in Georgia and the 46th nationally (higher means more lead).
Neighbouring systems
7 other systems share Forsyth County; 2 of them have a higher latest lead result than Lanier Woods Subdivision. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Forsyth Co. Water & Sewer | 161,200 | 1 ppb |
| Cumming | 58,661 | 0 (not detected) |
| Shady Shores Subdivision | 1,632 | 0 (not detected) |
| Colonial Club Estates | 416 | 0.6 ppb |
| Deerwood Water Systems, Inc. | 405 | 1.1 ppb |
| Beaver Ruin Subdivision | 105 | 0 (not detected) |
| Wood Creek Subdivision | 95 | 0 (not detected) |
Next steps for Cumming, GA
Test your own tap with a certified lab first-draw sample; Cumming, 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 Lanier Woods Subdivision 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.