Louisa County Zion Crossroads, VA
Lead detected, under the action levels
Latest 90th-percentile lead: 3.09 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. 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
Louisa County Zion Crossroads serves about 2,903 people through 1,002 service connections, which makes it a small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Louisa County, Virginia. EPA system ID: VA2109990; phone on file: 540-967-1122. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Louisa County Zion Crossroads's lead record
That is up 3.09 ppb from 0 ppb in the period ending 2023. The highest 90th-percentile result EPA holds for Louisa County Zion Crossroads is 5 ppb across 5 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 3.09 ppb |
| 2023 | 0 (not detected) |
| 2020 | 2.76 ppb |
| 2018 | 5 ppb |
| 2017 | 0 (not detected) |
Where this result ranks
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. Louisa County Zion Crossroads's 3.09 ppb sits at the 83rd percentile in Virginia and the 83rd nationally (higher means more lead).
Nearby utilities
9 other systems share Louisa County; 3 of them have a higher latest lead result than Louisa County Zion Crossroads. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Louisa County Water Authority | 4,254 | 0 (not detected) |
| Blue Ridge Shores | 1,707 | 0 (not detected) |
| Louisa, Town Of | 1,555 | 0 (not detected) |
| Shenandoah Crossing | 950 | 0.98 ppb |
| Mineral, Town Of | 478 | 5.7 ppb |
| New Bridge | 100 | 0 (not detected) |
| Twin Oaks Community | 70 | 4.01 ppb |
| Trevilians Square Apartments | 61 | 0.32 ppb |
| Sesmau Jerdone Island | 50 | 7 ppb |
Next steps for Louisa, VA
Test your own tap with a certified lab first-draw sample; Louisa, 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 Louisa County Zion Crossroads 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. Systems that went over once often dip back under; here is what that means.