Canandaigua City, NY
Lead detected, under the action levels
Latest 90th-percentile lead: 1.2 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 Canandaigua City
Canandaigua City serves about 11,264 people through 4,232 service connections, which makes it a large system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Ontario County, New York. EPA system ID: NY3401150; phone on file: 315-759-8089. They can tell you what your service line is made of and whether they pay to replace it.
Lead results over time
Against the period ending 2020 (1.2 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Canandaigua City is 1.9 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 1.2 ppb |
| 2020 | 1.2 ppb |
| 2017 | 1.9 ppb |
How Canandaigua City 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. Canandaigua City's 1.2 ppb sits at the 43rd percentile in New York and the 59th nationally (higher means more lead).
Other water systems in Ontario County
34 other systems share Ontario County; 28 of them have a higher latest lead result than Canandaigua City. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Geneva City | 13,334 | 3 ppb |
| Canandaigua-Farmington Consolidated W.D. | 13,000 | 1.3 ppb |
| Mcwa - Geneva | 8,532 | 4 ppb |
| Canandaigua Town Cons. Wd | 6,800 | 1.3 ppb |
| Hopewell Cons Wd 1 | 3,781 | 1.3 ppb |
| Gorham Town Wd | 3,420 | 2.8 ppb |
| Geneva Wd #2 Csa | 2,680 | 2.1 ppb |
| Seneca Town Wd | 2,625 | 2.1 ppb |
| Victor Village | 2,443 | 5800 ppb |
| Rushville Village | 2,341 | 2.1 ppb |
Your move
Test your own tap with a certified lab first-draw sample; Canandaigua, 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 Canandaigua City whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 27000 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. Size matters more than most people expect: small vs large water systems.