Ausable Heights Water System, NY
Lead detected, under the action levels
Latest 90th-percentile lead: 1.05 ppb (monitoring period 2023-2025). 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.
Who runs the water here
Ausable Heights Water System serves about 46 people through 23 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Clinton County, New York. EPA system ID: NY0910809; phone on file: 518-834-9052. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Ausable Heights Water System's lead record
That is down 1.85 ppb from 2.9 ppb in the period ending 2022. The highest 90th-percentile result EPA holds for Ausable Heights Water System is 2.9 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 1.05 ppb |
| 2022 | 2.9 ppb |
| 2019 | 1.4 ppb |
| 2016 | 1.45 ppb |
Where this result ranks
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. Ausable Heights Water System's 1.05 ppb sits at the 39th percentile in New York and the 56th nationally (higher means more lead).
Nearby utilities
37 other systems share Clinton County; 19 of them have a higher latest lead result than Ausable Heights Water System. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Plattsburgh City | 24,173 | 2.2 ppb |
| Plattsburgh Consolidated Water District | 11,162 | 2.1 ppb |
| Clinton Correctional Facility | 3,001 | 1 ppb |
| Champlain Village | 2,947 | 1 ppb |
| Peru Wd | 2,700 | 9.2 ppb |
| Rouses Point Village Wd | 2,550 | 1.4 ppb |
| Morrisonville Water District | 1,300 | 1.4 ppb |
| Dannemora Village | 1,228 | 1.9 ppb |
| Cadyville Water District | 843 | 2 ppb |
| Lyon Mountain Water Dist | 750 | 1.2 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Keeseville, 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 Ausable Heights 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. The lead result guide covers how utilities pick the homes they sample. Size matters more than most people expect: small vs large water systems.