Hudson Valley Water Co #4, NY
Lead detected, under the action levels
Latest 90th-percentile lead: 1.2 ppb (monitoring period 2025-2025). 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.
Hudson Valley Water Co #4 at a glance
Hudson Valley Water Co #4 serves about 221 people through 69 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Ulster County, New York. EPA system ID: NY5503371; phone on file: 516-364-1524. 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 2024 (1.5 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Hudson Valley Water Co #4 is 6.45 ppb across 11 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 1.2 ppb |
| 2024 | 1.5 ppb |
| 2023 | 0 (not detected) |
| 2022 | 6.45 ppb |
| 2022 | 1.5 ppb |
| 2021 | 2.31 ppb |
| 2021 | 2.53 ppb |
| 2020 | 1.23 ppb |
| 2020 | 1.42 ppb |
| 2019 | 0.9 ppb |
| 2016 | 2 ppb |
How Hudson Valley Water Co #4 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. Hudson Valley Water Co #4's 1.2 ppb sits at the 42nd percentile in New York and the 59th nationally (higher means more lead).
Neighbouring systems
101 other systems share Ulster County; 65 of them have a higher latest lead result than Hudson Valley Water Co #4. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Kingston (City) Water District | 24,000 | 7 ppb |
| New Paltz (Village) Water Dist | 7,523 | 1.97 ppb |
| Ulster Water District | 5,500 | 2.1 ppb |
| Port Ewen Water District | 4,500 | 3.7 ppb |
| Ellenville (Village) Water Dis | 4,300 | 8.6 ppb |
| Saugerties (Village) Water Dis | 4,200 | 1.4 ppb |
| Glasco Water District | 4,071 | 1.4 ppb |
| Highland Water District | 4,000 | 5.94 ppb |
| Marlborough Water District | 3,248 | 0 (not detected) |
| Eastern/Ulster Correctional Fa | 2,578 | 1.63 ppb |
Your move
Test your own tap with a certified lab first-draw sample; Woodbury, 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 Hudson Valley Water Co #4 whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 3010 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. The lead result guide covers how utilities pick the homes they sample. Systems that went over once often dip back under; here is what that means.