Marlborough Water District, NY
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2021-2023). 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
Marlborough Water District serves about 3,248 people through 1,140 service connections, which makes it a small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Ulster County, New York. EPA system ID: NY5503377. Ask the utility on your bill for your address in their service line inventory.
Marlborough Water District's lead record
Against the period ending 2020 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Marlborough Water District is 0 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 0 (not detected) |
| 2020 | 0 (not detected) |
| 2017 | 0 (not detected) |
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. Marlborough Water District's reported as 0 (not detected) sits at the 17th percentile in New York and the 33rd nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Ulster County
101 other systems share Ulster County; 81 of them have a higher latest lead result than Marlborough Water District. 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 |
| Eastern/Ulster Correctional Fa | 2,578 | 1.63 ppb |
| Woodstock Water District | 2,400 | 1 ppb |
Next steps for Milton, NY
Look up your address in Marlborough 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 Marlborough 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. A zero today does not rule out a jump later - the rules are tightening in 2027.