Amsterdam (C), NY
Above the new 10 ppb level coming in 2027
Latest 90th-percentile lead: 13.9 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. Under the current 15 ppb rule this is not an exceedance, but it is above the 10 ppb action level that takes over in Nov 2027. Test your own tap; filter if your result shows lead.
Who runs the water here
Amsterdam (C) serves about 20,700 people through 6,000 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 surface water, in Montgomery County, New York. EPA system ID: NY2800136; phone on file: 518-841-4301. They can tell you what your service line is made of and whether they pay to replace it.
Amsterdam (C)'s lead record
That is down 17.4 ppb from 31.3 ppb in the period ending 2025. The highest 90th-percentile result EPA holds for Amsterdam (C) is 31.3 ppb across 7 monitoring periods, 6 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 13.9 ppb over 10 |
| 2025 | 31.3 ppb over 15 |
| 2025 | 17.1 ppb over 15 |
| 2024 | 28.4 ppb over 15 |
| 2024 | 28.4 ppb over 15 |
| 2018 | 21 ppb over 15 |
| 2018 | 16 ppb over 15 |
Against other New York systems
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. Amsterdam (C)'s 13.9 ppb sits at the 99th percentile in New York and the 98th nationally (higher means more lead).
Other water systems in Montgomery County
17 other systems share Montgomery County; 0 of them have a higher latest lead result than Amsterdam (C). If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Amsterdam (T) | 3,000 | - |
| Canajoharie (V) Water Works | 2,300 | 2.2 ppb |
| Fort Plain (V) Water Works | 2,250 | 2 ppb |
| St. Johnsville Village Water Works | 1,700 | 2.5 ppb |
| Fonda (V) Water Works | 1,080 | 7.6 ppb |
| Palatine Bridge (V) Water Works | 900 | 2.1 ppb |
| Fultonville Village Pws | 740 | 1.39 ppb |
| Nelliston (V) Water Works | 535 | - |
| Florida (T) Water District | 432 | - |
| Capstone Center For Rehab And Nursing | 330 | 0.5 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Amsterdam, 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 Amsterdam (C) 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. See what changes at 10 ppb in 2027.