Twin Cedars, VA
Lead detected, under the action levels
Latest 90th-percentile lead: 1.08 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.
About Twin Cedars
Twin Cedars serves about 90 people through 30 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Caroline County, Virginia. EPA system ID: VA6033700; 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.
Every lead result on file
That is up 1.08 ppb from 0 ppb in the period ending 2022. The highest 90th-percentile result EPA holds for Twin Cedars is 1.08 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 1.08 ppb |
| 2022 | 0 (not detected) |
| 2019 | 0 (not detected) |
| 2016 | 0.3 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. Twin Cedars's 1.08 ppb sits at the 61st percentile in Virginia and the 56th nationally (higher means more lead).
Nearby utilities
15 other systems share Caroline County; 2 of them have a higher latest lead result than Twin Cedars. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Lake Land`Or | 4,818 | 1.14 ppb |
| Caroline Utility System | 4,235 | 0 (not detected) |
| Lake Caroline | 2,933 | 0 (not detected) |
| Four Winds Campground | 2,065 | 4.56 ppb |
| Bowling Green, Town Of | 1,233 | 0 (not detected) |
| Milford Sanitary District | 1,117 | 0 (not detected) |
| Campbell`S Creek Subdivision | 375 | 0.78 ppb |
| Port Royal, Town Of | 327 | 0 (not detected) |
| Cedar Ridge Mhp | 200 | 0 (not detected) |
| Caroline Correctional Unit #2 | 175 | 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 Twin Cedars 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. Size matters more than most people expect: small vs large water systems.