Foxcroft School, VA
Exceeded the action level in the past
Latest 90th-percentile lead: 2.4 ppb (monitoring period 2025-2025). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. The latest result is under the action level, but this system has gone over 15 ppb before. Lead comes from pipes, not the source water, so a home with a lead service line can still be exposed. Test your own tap.
About Foxcroft School
Foxcroft School serves about 301 people through 43 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Loudoun County, Virginia. EPA system ID: VA6107100; phone on file: 540-687-5555. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Every lead result on file
That is up 2.4 ppb from 0 ppb in the period ending 2024. The highest 90th-percentile result EPA holds for Foxcroft School is 33.4 ppb across 8 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 2.4 ppb |
| 2024 | 0 (not detected) |
| 2023 | 0 (not detected) |
| 2022 | 0 (not detected) |
| 2021 | 0 (not detected) |
| 2020 | 33.4 ppb over 15 |
| 2017 | 7.7 ppb |
| 2017 | 7.7 ppb |
How Foxcroft School compares
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. Foxcroft School's 2.4 ppb sits at the 77th percentile in Virginia and the 76th nationally (higher means more lead).
Neighbouring systems
17 other systems share Loudoun County; 4 of them have a higher latest lead result than Foxcroft School. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Loudoun Water - Central System | 334,808 | 0.5 ppb |
| Leesburg, Town Of | 65,028 | 0 (not detected) |
| Purcellville, Town Of | 8,929 | 0 (not detected) |
| Round Hill, Town Of | 5,055 | 3.44 ppb |
| Lovettsville, Town Of | 2,964 | 2.3 ppb |
| Hamilton, Town Of | 2,240 | 0 (not detected) |
| Selma Estates | 1,540 | 0 (not detected) |
| Elysian Heights | 1,061 | 0 (not detected) |
| Middleburg, Town Of | 803 | 5.33 ppb |
| Stoneleigh | 438 | 9.2 ppb |
Next steps for Middleburg, VA
Test your own tap with a certified lab first-draw sample; Middleburg, 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 Foxcroft School 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. More in what a past exceedance means today.