Grand Isle Consolidated Water District, VT
Lead detected, under the action levels
Latest 90th-percentile lead: 2.8 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.
Who runs the water here
Grand Isle Consolidated Water District serves about 1,600 people through 730 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 Grand Isle County, Vermont. EPA system ID: VT0020614; phone on file: 802-372-8515. They can tell you what your service line is made of and whether they pay to replace it.
Every lead result on file
That is up 1.6 ppb from 1.2 ppb in the period ending 2020. The highest 90th-percentile result EPA holds for Grand Isle Consolidated Water District is 2.8 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 2.8 ppb |
| 2020 | 1.2 ppb |
| 2017 | 1 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. Grand Isle Consolidated Water District's 2.8 ppb sits at the 76th percentile in Vermont and the 80th nationally (higher means more lead).
Neighbouring systems
6 other systems share Grand Isle County; 2 of them have a higher latest lead result than Grand Isle Consolidated Water District. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| North Hero Water System | 2,750 | 0 (not detected) |
| Grand Isle Fire District 4 | 1,078 | 6.3 ppb |
| South Hero Fire District 4 | 760 | 3.4 ppb |
| Alburgh Village Water System | 576 | 2.2 ppb |
| South Alburgh Fire District 2 | 300 | 0.6 ppb |
| Alburgh Fire District 1 | 87 | 1 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Grand Isle, 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 Grand Isle Consolidated 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. Why sampled homes are the worst-case ones is in the guide to reading the number. The action level is dropping - the 10 ppb rule from 2027.