Cooks Falls Water District, NY
Exceeded the action level in the past
Latest 90th-percentile lead: 2 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.
Cooks Falls Water District at a glance
Cooks Falls Water District serves about 150 people through 81 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) and draws groundwater, in Delaware County, New York. EPA system ID: NY1200253; phone on file: 607-363-7906. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Every lead result on file
Against the period ending 2024 (1.45 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Cooks Falls Water District is 60 ppb across 24 monitoring periods, 3 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 2 ppb |
| 2024 | 1.45 ppb |
| 2024 | 2.82 ppb |
| 2023 | 0 (not detected) |
| 2023 | 7.74 ppb |
| 2022 | 0 (not detected) |
| 2022 | 17 ppb over 15 |
| 2022 | 0 (not detected) |
| 2022 | 2 ppb |
| 2021 | 28 ppb over 15 |
| 2021 | 0 (not detected) |
| 2021 | 4.5 ppb |
| 2021 | 0 (not detected) |
| 2020 | 12.5 ppb over 10 |
| 2020 | 4.6 ppb |
| 2019 | 5.3 ppb |
| 2019 | 6.5 ppb |
| 2019 | 0 (not detected) |
| 2018 | 1.1 ppb |
| 2018 | 5.9 ppb |
| 2018 | 0 (not detected) |
| 2018 | 7.25 ppb |
| 2017 | 60 ppb over 15 |
| 2016 | 2.8 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. Cooks Falls Water District's 2 ppb sits at the 57th percentile in New York and the 70th nationally (higher means more lead).
Other water systems in Delaware County
31 other systems share Delaware County; 9 of them have a higher latest lead result than Cooks Falls Water District. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Delhi Village | 3,833 | 8.8 ppb |
| Sidney Village | 3,800 | 0 (not detected) |
| Walton Village | 3,010 | 0.7 ppb |
| Stamford Village | 1,280 | 1.8 ppb |
| Hancock Village | 1,182 | 3 ppb |
| Hobart Village | 700 | 3 ppb |
| Margaretville Village | 650 | 1.5 ppb |
| Downsville Water District | 617 | 1.5 ppb |
| Davenport Water District | 600 | 2.4 ppb |
| Roxbury Water District | 600 | 0 (not detected) |
Next steps for Downsville, NY
Test your own tap with a certified lab first-draw sample; Downsville, 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 Cooks Falls Water District whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 2080 ppb (copper action level 1,300 ppb).
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. What a 90th-percentile result does and does not tell you: how to read a lead result. Why an old exceedance still matters: over the limit before, under it now.