Willow Winds S/D, NC
Lead detected, under the action levels
Latest 90th-percentile lead: 5.45 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.
Willow Winds S/D at a glance
Willow Winds S/D serves about 50 people through 19 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Wake County, North Carolina. EPA system ID: NC0392315; phone on file: 919-653-6999. They can tell you what your service line is made of and whether they pay to replace it.
Willow Winds S/D's lead record
That is up 5.45 ppb from 0 ppb in the period ending 2025. The highest 90th-percentile result EPA holds for Willow Winds S/D is 5.45 ppb across 2 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2028 | 5.45 ppb |
| 2025 | 0 (not detected) |
Where this result ranks
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. Willow Winds S/D's 5.45 ppb sits at the 94th percentile in North Carolina and the 92nd nationally (higher means more lead).
Neighbouring systems
298 other systems share Wake County; 20 of them have a higher latest lead result than Willow Winds S/D. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Raleigh, City Of | 650,000 | 0 (not detected) |
| Cary, Town Of | 227,300 | 0 (not detected) |
| Apex, Town Of | 83,001 | 0 (not detected) |
| Holly Springs, Town Of | 51,947 | 0 (not detected) |
| Fuquay-Varina, Town Of | 42,954 | 0 (not detected) |
| Bayleaf Master | 16,715 | 0 (not detected) |
| New Light Master | 2,619 | 0 (not detected) |
| Stonehenge S/D | 1,840 | 0 (not detected) |
| Rockbridge S/D | 1,042 | 7.8 ppb |
| Medfield Estates S/D | 772 | 4 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Cary, 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 Willow Winds S/D whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 1460 ppb (copper action level 1,300 ppb).
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. The action level is dropping - the 10 ppb rule from 2027.