Yadkin Co Water - Hwy 21, NC
Lead detected, under the action levels
Latest 90th-percentile lead: 3.1 ppb (monitoring period 2026-2028). 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 Yadkin Co Water - Hwy 21
Yadkin Co Water - Hwy 21 serves about 277 people through 109 service connections, which makes it a very small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Yadkin County, North Carolina. EPA system ID: NC3099029; phone on file: 336-488-8688. 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 3.1 ppb from 0 ppb in the period ending 2025. The highest 90th-percentile result EPA holds for Yadkin Co Water - Hwy 21 is 3.1 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2028 | 3.1 ppb |
| 2025 | 0 (not detected) |
| 2022 | 0 (not detected) |
| 2019 | 0 (not detected) |
Against other North Carolina systems
Of the 1,925 North Carolina systems with a lead result, the median latest reading is 0 ppb; 5 are over 15 ppb right now and 75 have gone over at some point. Yadkin Co Water - Hwy 21's 3.1 ppb sits at the 89th percentile in North Carolina and the 83rd nationally (higher means more lead).
Neighbouring systems
10 other systems share Yadkin County; 0 of them have a higher latest lead result than Yadkin Co Water - Hwy 21. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Yadkinville, Town Of | 4,196 | 0 (not detected) |
| Jonesville, Town Of | 2,354 | 0 (not detected) |
| Boonville, Town Of | 2,007 | 0 (not detected) |
| East Bend, Town Of | 1,466 | 0 (not detected) |
| Mill Creek S/D | 194 | 0 (not detected) |
| Copperfield/Reston Woods | 170 | 0 (not detected) |
| C W Mobile Home Park | 97 | 0 (not detected) |
| Yadkin County - East Bend | 97 | 0 (not detected) |
| Riverpointe S/D | 74 | 0 (not detected) |
| Hunting Creek S/D | 61 | 0 (not detected) |
What to do in your house
Test your own tap with a certified lab first-draw sample; Yadkinville, NC 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 Yadkin Co Water - Hwy 21 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. The lead result guide covers how utilities pick the homes they sample. Size matters more than most people expect: small vs large water systems.