Mount Upton Water District, NY
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (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. 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.
Who runs the water here
Mount Upton Water District serves about 300 people through 105 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 Chenango County, New York. EPA system ID: NY0801743; phone on file: 6047895-9966. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Lead results over time
Against the period ending 2022 (0.5 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Mount Upton Water District is 1.98 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2022 | 0.5 ppb |
| 2019 | 1 ppb |
| 2018 | 1.98 ppb |
How Mount Upton 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. Mount Upton Water District's reported as 0 (not detected) sits at the 12th percentile in New York and the 18th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Chenango County
28 other systems share Chenango County; 14 of them have a higher latest lead result than Mount Upton Water District. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Norwich City | 8,000 | 0 (not detected) |
| Greene Village | 1,800 | 2 ppb |
| Oxford Village | 1,738 | 4 ppb |
| Bainbridge Village | 1,550 | 0 (not detected) |
| Sherburne Village | 1,531 | 1 ppb |
| New Berlin Village | 1,500 | 0 (not detected) |
| Afton Village | 838 | 0 (not detected) |
| New York State Veterans Home | 504 | 2 ppb |
| Norwich Town Water District #3 | 500 | - |
| Maple Grove West & East Mhp | 416 | 2 ppb |
Next steps for Guilford, NY
Look up your address in Mount Upton Water District'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 Mount Upton 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. What a 90th-percentile result does and does not tell you: how to read a lead result. A zero today does not rule out a jump later - the rules are tightening in 2027.