Heritage Hills Water System, NY
Above the new 10 ppb level coming in 2027
Latest 90th-percentile lead: 11 ppb (monitoring period 2024-2026). 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.
Heritage Hills Water System at a glance
Heritage Hills Water System serves about 4,700 people through 2,668 service connections, which makes it a medium-sized system under EPA's size classes. It is privately owned and draws groundwater, in Westchester County, New York. EPA system ID: NY5917221; phone on file: 845-620-6221. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
That is up 1.4 ppb from 9.6 ppb in the period ending 2023. The highest 90th-percentile result EPA holds for Heritage Hills Water System is 13.2 ppb across 4 monitoring periods, none of them over 15 ppb (2 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 11 ppb over 10 |
| 2023 | 9.6 ppb |
| 2020 | 8.8 ppb |
| 2017 | 13.2 ppb over 10 |
How Heritage Hills Water System 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. Heritage Hills Water System's 11 ppb sits at the 97th percentile in New York and the 98th nationally (higher means more lead).
Nearby utilities
89 other systems share Westchester County; 3 of them have a higher latest lead result than Heritage Hills Water System. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Yonkers City | 211,569 | 7.14 ppb |
| Veolia Water New York, Inc. Rd-1 | 146,732 | 12.2 ppb |
| Mount Vernon Water Department | 73,893 | 7.12 ppb |
| Westchester Joint Water Works | 59,629 | 3 ppb |
| White Plains City | 59,559 | 1.25 ppb |
| Veolia Water New York, Inc. Rd-2 | 57,301 | 2 ppb |
| Greenburgh Consolidated Wd #1 | 43,312 | 1.29 ppb |
| Yorktown Consold. Water Dist.#1 | 36,000 | 1.2 ppb |
| Ossining Water Department | 30,000 | 3 ppb |
| Cortlandt Consolidated Wd | 28,369 | 1.4 ppb |
Next steps for West Nyack, NY
Test your own tap with a certified lab first-draw sample; West Nyack, 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 Heritage Hills Water System 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.