Hidden Hills, NY
Lead detected, under the action levels
Latest 90th-percentile lead: 0.8 ppb (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. 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.
Hidden Hills at a glance
Hidden Hills serves about 200 people through 85 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Onondaga County, New York. EPA system ID: NY3318329; phone on file: 315-677-3022. They can tell you what your service line is made of and whether they pay to replace it.
Hidden Hills's lead record
Against the period ending 2020 (1 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Hidden Hills is 1.1 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 0.8 ppb |
| 2020 | 1 ppb |
| 2017 | 1.1 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 Hills's 0.8 ppb sits at the 23rd percentile in New York and the 48th nationally (higher means more lead).
Neighbouring systems
23 other systems share Onondaga County; 18 of them have a higher latest lead result than Hidden Hills. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Ocwa | 350,000 | 8 ppb |
| Syracuse City | 192,000 | 12 ppb |
| Dewitt Wds - South | 16,200 | 3 ppb |
| Clay Wds | 16,000 | 4 ppb |
| Dewitt Wds - North | 13,600 | 3 ppb |
| Baldwinsville Village | 9,200 | 4 ppb |
| Skaneateles Wds | 3,500 | 3 ppb |
| Skaneateles Village | 2,610 | 3 ppb |
| Elbridge Village | 1,519 | 4 ppb |
| Jordan Village | 1,400 | 4 ppb |
Next steps for Lafayette, NY
Test your own tap with a certified lab first-draw sample; Lafayette, 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 Hills 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. The action level is dropping - the 10 ppb rule from 2027.