Jefferson Water District, NY
Lead detected, under the action levels
Latest 90th-percentile lead: 2 ppb (monitoring period 2023-2025). 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 Jefferson Water District
Jefferson Water District serves about 300 people through 93 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 groundwater, in Schoharie County, New York. EPA system ID: NY4700095; phone on file: 607-652-7931. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Every lead result on file
Against the period ending 2025 (2 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Jefferson Water District is 5 ppb across 7 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 2 ppb |
| 2025 | 2 ppb |
| 2023 | 0 (not detected) |
| 2023 | 0 (not detected) |
| 2022 | 0 (not detected) |
| 2019 | 1.1 ppb |
| 2016 | 5 ppb |
How Jefferson Water District 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. Jefferson Water District's 2 ppb sits at the 57th percentile in New York and the 71st nationally (higher means more lead).
Nearby utilities
15 other systems share Schoharie County; 2 of them have a higher latest lead result than Jefferson Water District. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Cobleskill Village | 4,678 | 2 ppb |
| Middleburgh Village | 1,500 | 4.8 ppb |
| Warnerville Water District # 1 | 1,300 | 0 (not detected) |
| Schoharie Village | 922 | 2 ppb |
| Richmondville Village | 918 | 6.2 ppb |
| Central Bridge Water District | 560 | 1 ppb |
| Sharon Springs Village | 504 | 0 (not detected) |
| Cobleskill Water District | 500 | 2 ppb |
| The Meadows | 300 | 1 ppb |
| Creekside Village Mhp | 115 | 0.5 ppb |
Next steps for Jefferson, NY
Test your own tap with a certified lab first-draw sample; Jefferson, 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 Jefferson Water District 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. The action level is dropping - the 10 ppb rule from 2027.