Pottersville Water District, NY
Lead detected, under the action levels
Latest 90th-percentile lead: 1.06 ppb (monitoring period 2026-2026). 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.
Who runs the water here
Pottersville Water District serves about 315 people through 90 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 Warren County, New York. EPA system ID: NY5600110; phone on file: 518-494-2711. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Pottersville Water District's lead record
Against the period ending 2025 (1.4 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Pottersville Water District is 6 ppb across 19 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 1.06 ppb |
| 2025 | 1.4 ppb |
| 2025 | 5.2 ppb |
| 2024 | 2.2 ppb |
| 2024 | 2.7 ppb |
| 2023 | 1.3 ppb |
| 2023 | 2.3 ppb |
| 2022 | 5.5 ppb |
| 2021 | 4.7 ppb |
| 2020 | 2.3 ppb |
| 2020 | 2 ppb |
| 2019 | 0 (not detected) |
| 2019 | 5 ppb |
| 2018 | 6 ppb |
| 2018 | 4 ppb |
| 2017 | 0 (not detected) |
| 2017 | 2 ppb |
| 2016 | 6 ppb |
| 2016 | 4.5 ppb |
How Pottersville 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. Pottersville Water District's 1.06 ppb sits at the 39th percentile in New York and the 56th nationally (higher means more lead).
Nearby utilities
23 other systems share Warren County; 10 of them have a higher latest lead result than Pottersville Water District. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Queensbury Water District | 24,450 | 3 ppb |
| Glens Falls City | 14,000 | 0 (not detected) |
| Warrensburg Water District | 3,600 | 0 (not detected) |
| Lake Luzerne Water District | 2,500 | 2.5 ppb |
| Bolton Water District | 1,800 | 0 (not detected) |
| Lake George Village | 1,800 | 0 (not detected) |
| North Creek Water District | 1,100 | 0 (not detected) |
| Chestertown Water District | 885 | 3.9 ppb |
| Ledgeview Village | 680 | 3.1 ppb |
| Diamond Point Water District | 493 | 0 (not detected) |
Next steps for Chestertown, NY
Test your own tap with a certified lab first-draw sample; Chestertown, 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 Pottersville Water District whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 2010 ppb (copper action level 1,300 ppb).
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. Systems that went over once often dip back under; here is what that means.