Tanglewood Section A, VA
Lead detected, under the action levels
Latest 90th-percentile lead: 3.1 ppb (monitoring period 2022-2024). 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.
Tanglewood Section A at a glance
Tanglewood Section A serves about 35 people through 16 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Mecklenburg County, Virginia. EPA system ID: VA5117834; phone on file: 804-749-8868. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Every lead result on file
Against the period ending 2021 (2.29 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Tanglewood Section A is 3.1 ppb across 5 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 3.1 ppb |
| 2021 | 2.29 ppb |
| 2018 | 1.55 ppb |
| 2017 | 2.92 ppb |
| 2016 | 2 ppb |
Against other Virginia systems
Of the 996 Virginia systems with a lead result, the median latest reading is 0 ppb; 3 are over 15 ppb right now and 59 have gone over at some point. Tanglewood Section A's 3.1 ppb sits at the 83rd percentile in Virginia and the 83rd nationally (higher means more lead).
Other water systems in Mecklenburg County
22 other systems share Mecklenburg County; 1 of them has a higher latest lead result than Tanglewood Section A. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| South Hill, Town Of | 4,600 | 0 (not detected) |
| Roanoke River Service Authority | 3,073 | 0 (not detected) |
| Chase City,Town Of | 2,242 | 2.21 ppb |
| Clarksville, Town Of | 1,400 | 2.14 ppb |
| River Ridge | 950 | 0 (not detected) |
| La Crosse, Town Of | 850 | 0 (not detected) |
| Foxland Cove | 473 | 3.81 ppb |
| Boydton, Town Of | 430 | 0 (not detected) |
| Buffalo Creek Estates | 300 | 0 (not detected) |
| Great Creek Landing | 290 | 0 (not detected) |
Next steps for Rockville, VA
Test your own tap with a certified lab first-draw sample; Rockville, VA 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 Tanglewood Section A 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. The action level is dropping - the 10 ppb rule from 2027.