Westminster Aqueduct Society, VT
Exceeded the action level in the past
Latest 90th-percentile lead: 4 ppb (monitoring period 2026-2028). 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.
About Westminster Aqueduct Society
Westminster Aqueduct Society serves about 150 people through 55 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Windham County, Vermont. EPA system ID: VT0005306; phone on file: 802-376-8856. 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 up 2.6 ppb from 1.4 ppb in the period ending 2023. The highest 90th-percentile result EPA holds for Westminster Aqueduct Society is 21.5 ppb across 13 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2028 | 4 ppb |
| 2023 | 1.4 ppb |
| 2022 | 1.9 ppb |
| 2021 | 1.4 ppb |
| 2020 | 2.5 ppb |
| 2019 | 2.5 ppb |
| 2019 | 2.6 ppb |
| 2018 | 2.5 ppb |
| 2018 | 21.5 ppb over 15 |
| 2017 | 5.5 ppb |
| 2017 | 5 ppb |
| 2016 | 8.9 ppb |
| 2016 | 9 ppb |
Against other Vermont systems
Of the 372 Vermont systems with a lead result, the median latest reading is 1.4 ppb; 7 are over 15 ppb right now and 65 have gone over at some point. Westminster Aqueduct Society's 4 ppb sits at the 83rd percentile in Vermont and the 87th nationally (higher means more lead).
Nearby utilities
42 other systems share Windham County; 10 of them have a higher latest lead result than Westminster Aqueduct Society. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Brattleboro Water Dept | 12,200 | 0 (not detected) |
| Winhall Stratton F D 1 | 6,200 | 1.9 ppb |
| Bellows Falls Water Dept | 4,000 | 1.8 ppb |
| Chimney Hill | 2,594 | 4.6 ppb |
| Town Of Wilmington Water System | 1,400 | 2 ppb |
| Putney Water System | 1,300 | 2.6 ppb |
| Timber Creek Coa Inc | 1,116 | 4.8 ppb |
| Cold Brook Fd Base Area | 761 | 14.3 ppb |
| Cold Brook Fire District 1 | 700 | 0 (not detected) |
| Seasons On Mount Snow | 623 | 1.7 ppb |
Your move
Test your own tap with a certified lab first-draw sample; Westminster, VT 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 Westminster Aqueduct Society whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 1600 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. Why sampled homes are the worst-case ones is in the guide to reading the number. More in what a past exceedance means today.