Hidden Valley Estates, NY
Exceeded the action level in the past
Latest 90th-percentile lead: 1.09 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. The latest result is under the action level, but this system has gone over 15 ppb before. Lead comes from pipes, not the source water, so a home with a lead service line can still be exposed. Test your own tap.
Hidden Valley Estates at a glance
Hidden Valley Estates serves about 312 people through 99 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Orange County, New York. EPA system ID: NY3503606; phone on file: 917-642-6161. They can tell you what your service line is made of and whether they pay to replace it.
Lead results over time
Against the period ending 2024 (1.3 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Hidden Valley Estates is 27 ppb across 7 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 1.09 ppb |
| 2024 | 1.3 ppb |
| 2023 | 6.5 ppb |
| 2023 | 6.5 ppb |
| 2022 | 27 ppb over 15 |
| 2019 | 1.05 ppb |
| 2016 | 1.4 ppb |
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. Hidden Valley Estates's 1.09 ppb sits at the 39th percentile in New York and the 56th nationally (higher means more lead).
Nearby utilities
129 other systems share Orange County; 81 of them have a higher latest lead result than Hidden Valley Estates. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Kiryas Joel | 51,623 | 9 ppb |
| Middletown City | 30,000 | 1 ppb |
| Newburgh City | 29,000 | 1.5 ppb |
| New Windsor Consolidated Wd | 25,667 | 0 (not detected) |
| Newburgh Consolidated Wd | 22,282 | 1.5 ppb |
| Wallkill Consolidated Wd | 18,450 | 1.97 ppb |
| Monroe Village | 12,000 | 3 ppb |
| Woodbury Cons. W.D. | 10,845 | 8.5 ppb |
| Cornwall-On-Hudson | 9,700 | 1 ppb |
| Port Jervis City | 9,000 | 3.04 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Sloatsburg, 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 Hidden Valley Estates 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. The lead result guide covers how utilities pick the homes they sample. More in what a past exceedance means today.