Walnut Grove No 1, VA
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (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. The latest 90th-percentile result was reported as 0 (not detected at the lab's limit). That says the sampled homes were low, not that your home has no lead service line. Check your utility's service line inventory for your address.
About Walnut Grove No 1
Walnut Grove No 1 serves about 290 people through 115 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Hanover County, Virginia. EPA system ID: VA4085902; phone on file: 804-749-8868. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Lead results over time
That is down 2.12 ppb from 2.12 ppb in the period ending 2023. The highest 90th-percentile result EPA holds for Walnut Grove No 1 is 2.12 ppb across 6 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 0 (not detected) |
| 2023 | 2.12 ppb |
| 2022 | 0 (not detected) |
| 2021 | 0 (not detected) |
| 2019 | 0 (not detected) |
| 2016 | 1 ppb |
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. Walnut Grove No 1's reported as 0 (not detected) sits at the 24th percentile in Virginia and the 18th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Nearby utilities
17 other systems share Hanover County; 11 of them have a higher latest lead result than Walnut Grove No 1. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Hanover Suburban Water System | 57,931 | 0 (not detected) |
| Spring Meadows-Meadow Gate | 2,362 | 0 (not detected) |
| Mayfield Farms | 1,444 | 1.22 ppb |
| Avondale | 1,285 | 2.56 ppb |
| Cherrydale Subdivision | 928 | 1.36 ppb |
| Rural Point Central | 690 | 0 (not detected) |
| Hanover Farms | 471 | 0.56 ppb |
| Oak Hill Estates | 350 | 5 ppb |
| Holly Ridge No 1 | 279 | 0 (not detected) |
| Colonial Forest | 246 | 0 (not detected) |
Your move
Look up your address in Walnut Grove No 1's service line inventory. If it says lead, galvanized or unknown, test your tap. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Walnut Grove No 1 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. A zero today does not rule out a jump later - the rules are tightening in 2027.