Guildhall Water System, VT
Lead detected, under the action levels
Latest 90th-percentile lead: 1 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
Guildhall Water System serves about 136 people through 53 service connections, which makes it a very small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Essex County, Vermont. EPA system ID: VT0005111; phone on file: 802-745-8163. 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 down 8.7 ppb from 9.7 ppb in the period ending 2020. The highest 90th-percentile result EPA holds for Guildhall Water System is 9.7 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 1 ppb |
| 2020 | 9.7 ppb |
| 2019 | 2 ppb |
How Guildhall Water System compares
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. Guildhall Water System's 1 ppb sits at the 42nd percentile in Vermont and the 52nd nationally (higher means more lead).
Neighbouring systems
7 other systems share Essex County; 4 of them have a higher latest lead result than Guildhall Water System. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Brighton Water System | 1,200 | 1.3 ppb |
| Canaan Fire District 1 | 970 | 0 (not detected) |
| Lunenburg Fire District 2 | 400 | 2.4 ppb |
| Canaan Fd #2 | 350 | 1.7 ppb |
| Lunenburg Fire District 1 | 250 | 2.1 ppb |
| Aqua Haven | 150 | 0 (not detected) |
| Bloomfield Water System | 50 | 0 (not detected) |
What to do in your house
Test your own tap with a certified lab first-draw sample; Guildhall, 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 Guildhall Water System 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.