Oak Island, Town Of, NC
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (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. 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 Oak Island, Town Of
Oak Island, Town Of serves about 26,924 people through 10,600 service connections, which makes it a large system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Brunswick County, North Carolina. EPA system ID: NC0410020; phone on file: 910-201-8042. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
Against the period ending 2025 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Oak Island, Town Of is 0 ppb across 5 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2028 | 0 (not detected) |
| 2025 | 0 (not detected) |
| 2022 | 0 (not detected) |
| 2019 | 0 (not detected) |
| 2016 | 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. Oak Island, Town Of's reported as 0 (not detected) sits at the 77th percentile in North Carolina and the 39th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Neighbouring systems
7 other systems share Brunswick County; 0 of them have a higher latest lead result than Oak Island, Town Of. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Brunswick County Water System | 151,357 | 0 (not detected) |
| Brunswick Regional Water And Sewer H2go | 51,252 | 0 (not detected) |
| Ocean Isle Beach, Town Of | 7,925 | 0 (not detected) |
| Holden Beach, Town Of | 6,299 | 0 (not detected) |
| The Village Of Bald Head Island | 3,500 | 0 (not detected) |
| Ocean Aire Estates | 406 | 0 (not detected) |
| Chadwick Mhp | 90 | 0 (not detected) |
What to do in your house
Look up your address in Oak Island, Town Of'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 Oak Island, Town Of 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. Small systems behave differently: why small systems go over more often.