Wellesley Island Water Corp., NY
Lead detected, under the action levels
Latest 90th-percentile lead: 2.5 ppb (monitoring period 2021-2023). 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 Wellesley Island Water Corp.
Wellesley Island Water Corp. serves about 548 people through 105 service connections, which makes it a small system under EPA's size classes. It is privately owned and draws surface water, in Jefferson County, New York. EPA system ID: NY2220914. Ask the utility on your bill for your address in their service line inventory.
Wellesley Island Water Corp.'s lead record
Against the period ending 2020 (3.15 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Wellesley Island Water Corp. is 3.15 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 2.5 ppb |
| 2020 | 3.15 ppb |
| 2017 | 0.6 ppb |
How Wellesley Island Water Corp. compares
Of the 2,077 New York systems with a lead result, the median latest reading is 1.5 ppb; 17 are over 15 ppb right now and 165 have gone over at some point. Wellesley Island Water Corp.'s 2.5 ppb sits at the 67th percentile in New York and the 77th nationally (higher means more lead).
Nearby utilities
56 other systems share Jefferson County; 13 of them have a higher latest lead result than Wellesley Island Water Corp.. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Fort Drum | 34,000 | 0.4 ppb |
| Watertown City | 27,861 | 6.3 ppb |
| Leray Town Wd 1, 2, 4 | 7,140 | 3.3 ppb |
| Carthage Village | 3,600 | 0 (not detected) |
| Cape Vincent Town Wd 1 & 5 | 2,600 | - |
| Sackets Harbor Village | 2,200 | 1.2 ppb |
| Clayton Village | 2,100 | 1.8 ppb |
| Adams Village | 2,000 | 4.3 ppb |
| Alexandria Bay Village | 1,900 | 2.6 ppb |
| Pamelia Town Wd 4 & 5 | 1,857 | 4.1 ppb |
Next steps for Liverpool, NY
Test your own tap with a certified lab first-draw sample; Liverpool, NY 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 Wellesley Island Water Corp. 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.