Scio Water District, NY
Lead detected, under the action levels
Latest 90th-percentile lead: 1.7 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.
Scio Water District at a glance
Scio Water District serves about 990 people through 365 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 Allegany County, New York. EPA system ID: NY0200325; phone on file: 585-973-7697. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Lead results over time
Against the period ending 2020 (1 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Scio Water District is 1.7 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 1.7 ppb |
| 2020 | 1 ppb |
| 2017 | 1.6 ppb |
How Scio 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. Scio Water District's 1.7 ppb sits at the 53rd percentile in New York and the 66th nationally (higher means more lead).
Neighbouring systems
20 other systems share Allegany County; 9 of them have a higher latest lead result than Scio Water District. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Wellsville Village Public Water | 5,700 | 0 (not detected) |
| Alfred State College | 3,600 | 1 ppb |
| Alfred University | 2,800 | 3 ppb |
| Houghton Water District | 2,000 | 2 ppb |
| Cuba Village Public Water | 1,800 | 3.4 ppb |
| Bolivar-Richburg Water System | 1,640 | 1.2 ppb |
| Friendship Town Water District | 1,380 | 0 (not detected) |
| Alfred Village Water Supply | 1,300 | 3 ppb |
| Andover Village Public Water | 1,130 | 3 ppb |
| Angelica Village Public Water | 950 | 7 ppb |
Next steps for Friendship, NY
Test your own tap with a certified lab first-draw sample; Friendship, 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 Scio 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. What a 90th-percentile result does and does not tell you: how to read a lead result. Systems that went over once often dip back under; here is what that means.