Hornby Water District, NY
Lead detected, under the action levels
Latest 90th-percentile lead: 6.1 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.
About Hornby Water District
Hornby Water District serves about 50 people through 20 service connections, which makes it a very small system under EPA's size classes. It is owned by a local government (city, town, county or district), in Steuben County, New York. EPA system ID: NY5030114; phone on file: 607-936-8287. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Every lead result on file
That is down 4.9 ppb from 11 ppb in the period ending 2020. The highest 90th-percentile result EPA holds for Hornby Water District is 11 ppb across 3 monitoring periods, none of them over 15 ppb (1 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 6.1 ppb |
| 2020 | 11 ppb over 10 |
| 2017 | 10 ppb |
How Hornby Water District 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. Hornby Water District's 6.1 ppb sits at the 91st percentile in New York and the 93rd nationally (higher means more lead).
Other water systems in Steuben County
51 other systems share Steuben County; 1 of them has a higher latest lead result than Hornby Water District. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Corning City | 10,300 | 6.1 ppb |
| Hornell City | 8,100 | 1.4 ppb |
| Bath Village Consolidated Sampling Area | 5,400 | 3.1 ppb |
| Morningside Heights Wd / Erwin (T) | 4,570 | 5 ppb |
| Canisteo Village | 2,100 | 2.6 ppb |
| Addison Village | 1,850 | 3.53 ppb |
| Painted Post Village | 1,750 | 2 ppb |
| Wayland Village | 1,730 | 1.7 ppb |
| South Corning Village | 1,400 | 2 ppb |
| East Corning Consolidated District | 1,150 | 2.5 ppb |
Next steps for Corning, NY
Test your own tap with a certified lab first-draw sample; Corning, 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 Hornby Water District 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. Systems that went over once often dip back under; here is what that means.