Sea Isle City Water Department, NJ
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.
Sea Isle City Water Department at a glance
Sea Isle City Water Department serves about 15,800 people through 7,240 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 groundwater, in Cape May County, New Jersey. EPA system ID: NJ0509001. Ask the utility on your bill for your address in their service line inventory.
Sea Isle City Water Department's lead record
Against the period ending 2023 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Sea Isle City Water Department is 1.4 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 0 (not detected) |
| 2023 | 0 (not detected) |
| 2020 | 0 (not detected) |
| 2017 | 1.4 ppb |
Where this result ranks
Of the 605 New Jersey systems with a lead result, the median latest reading is 1 ppb; 5 are over 15 ppb right now and 52 have gone over at some point. Sea Isle City Water Department's reported as 0 (not detected) sits at the 35th percentile in New Jersey and the 38th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Cape May County
23 other systems share Cape May County; 13 of them have a higher latest lead result than Sea Isle City Water Department. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Wildwood City Water Department | 218,472 | 5.8 ppb |
| Nj American Water - Ocean City | 127,000 | 0 (not detected) |
| Avalon Water And Sewerage Utilities | 39,839 | 1.17 ppb |
| Cape May Water & Sewer U | 35,000 | 2.46 ppb |
| Stone Harbor Water Dept | 30,850 | 3.03 ppb |
| Lower Twp Mua | 12,416 | 5.1 ppb |
| Nj American Water - Cape May Court House | 5,625 | 1 ppb |
| West Cape May Water Dept | 4,427 | 2.39 ppb |
| Cape May Point Boro Wate | 4,000 | 4.4 ppb |
| Borough Of Woodbine | 2,650 | 0 (not detected) |
Your move
Look up your address in Sea Isle City Water Department'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 Sea Isle City Water Department 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. A zero today does not rule out a jump later - the rules are tightening in 2027.