Bear Mountain Water Supply, NY
Above the new 10 ppb level coming in 2027
Latest 90th-percentile lead: 10.78 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. 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.
About Bear Mountain Water Supply
Bear Mountain Water Supply serves about 3,564 people through 25 service connections, which makes it a medium-sized system under EPA's size classes. It is owned by the state and draws surface water, in Orange,Rockland County, New York. EPA system ID: NY4317681. Ask the utility on your bill for your address in their service line inventory.
Lead results over time
That is up 6.31 ppb from 4.47 ppb in the period ending 2024. The highest 90th-percentile result EPA holds for Bear Mountain Water Supply is 17.9 ppb across 7 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 10.78 ppb over 10 |
| 2024 | 4.47 ppb |
| 2023 | 7.38 ppb |
| 2023 | 4.09 ppb |
| 2022 | 2.51 ppb |
| 2021 | 17.9 ppb over 15 |
| 2018 | 10.2 ppb over 10 |
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. Bear Mountain Water Supply's 10.78 ppb sits at the 97th percentile in New York and the 98th nationally (higher means more lead).
Next steps for Bear Mountain, NY
Test your own tap with a certified lab first-draw sample; Bear Mountain, 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 Bear Mountain Water Supply 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.