Cairo Water District, NY
Lead detected, under the action levels
Latest 90th-percentile lead: 3 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.
Cairo Water District at a glance
Cairo Water District serves about 1,400 people through 315 service connections, which makes it a small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Greene County, New York. EPA system ID: NY1900025; phone on file: 518-622-2060. They can tell you what your service line is made of and whether they pay to replace it.
Lead results over time
That is up 2 ppb from 1 ppb in the period ending 2022. The highest 90th-percentile result EPA holds for Cairo Water District is 14.2 ppb across 9 monitoring periods, none of them over 15 ppb (1 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 3 ppb |
| 2022 | 1 ppb |
| 2022 | 0 (not detected) |
| 2022 | 1 ppb |
| 2021 | 3.7 ppb |
| 2020 | 4 ppb |
| 2019 | 7.6 ppb |
| 2019 | 5.4 ppb |
| 2018 | 14.2 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. Cairo Water District's 3 ppb sits at the 74th percentile in New York and the 82nd nationally (higher means more lead).
Neighbouring systems
33 other systems share Greene County; 6 of them have a higher latest lead result than Cairo Water District. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Catskill Village | 8,000 | 6.3 ppb |
| Coxsackie Village | 4,010 | 1 ppb |
| Coxsackie Correctional Facility | 2,000 | 0 (not detected) |
| Sleepy Hollow Lake Water Co. | 2,000 | 1.1 ppb |
| Athens Village | 1,700 | 2.8 ppb |
| Greenville Water District No 1 | 1,100 | 3 ppb |
| Hunter Village | 1,030 | 11.2 ppb |
| Ski Windham | 856 | 3 ppb |
| Tannersville Village | 629 | 1.1 ppb |
| Windham Mountain Village | 545 | 0 (not detected) |
What to do in your house
Test your own tap with a certified lab first-draw sample; Cairo, 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 Cairo Water District whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 1560 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. The lead result guide covers how utilities pick the homes they sample. The action level is dropping - the 10 ppb rule from 2027.