What was found in North Hero's water
The level at the city's main supplier, the highest level anywhere in the city, the EPA limit for each, and where every figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Nitrate | 440 µg/L 4.4% of the EPA limit 10000 µg/L Main supplier: NORTH HERO WATER SYSTEM · 2,750 people · 2019 | 1/1 | SYR4 |
| Copper | 165 µg/L 13% of the EPA limit 1300 µg/L Main supplier: NORTH HERO WATER SYSTEM · 2,750 people · 2018 | 1/1 | SYR4 |
| TTHM | 82.73 µg/L 103% of the EPA limit, at the 95th percentile of samples — 80 µg/L Main supplier: NORTH HERO WATER SYSTEM · 2,750 people · 2019 | 1/1 | SYR4 |
| Chloroform | 74.08 µg/L No EPA limit set Main supplier: NORTH HERO WATER SYSTEM · 2,750 people · 2019 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 46.78 µg/L 78% of the EPA limit 60 µg/L Main supplier: NORTH HERO WATER SYSTEM · 2,750 people · 2019 | 1/1 | SYR4 |
| Trichloroacetic Acid | 32.75 µg/L No EPA limit set Main supplier: NORTH HERO WATER SYSTEM · 2,750 people · 2019 | 1/1 | SYR4 |
| Dichloroacetic Acid | 19.55 µg/L No EPA limit set Main supplier: NORTH HERO WATER SYSTEM · 2,750 people · 2019 | 1/1 | SYR4 |
| Monochloroacetic Acid | 6.2 µg/L No EPA limit set Main supplier: NORTH HERO WATER SYSTEM · 2,750 people · 2019 | 1/1 | SYR4 |
| Bromodichloromethane | 5.83 µg/L No EPA limit set Main supplier: NORTH HERO WATER SYSTEM · 2,750 people · 2019 | 1/1 | SYR4 |
| Lead | 4.8 µg/L 32% of the EPA limit 15 µg/L Main supplier: NORTH HERO WATER SYSTEM · 2,750 people · 2018 | 1/1 | SYR4 |
| Combined Radium (-226 And -228) | 1.034 pCi/L 21% of the EPA limit 5 pCi/L Main supplier: NORTH HERO WATER SYSTEM · 2,750 people · 2015 | 1/1 | SYR4 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L Main supplier: NORTH HERO WATER SYSTEM · 2,750 people · 2024 | 1/1 | LCR |
Water suppliers serving North Hero
| Supplier | Population served |
|---|---|
| NORTH HERO WATER SYSTEM | 2,750 |
Frequently asked questions about North Hero tap water
Is North Hero tap water safe to drink?
EPA testing detected 12 contaminants in the water serving North Hero. A detection isn't the same as a violation — most detected levels are within federal limits. Check the level and source for each contaminant above, and your utility's annual Consumer Confidence Report for the official compliance status.
How many water suppliers serve North Hero?
1 public water supplier report drinking-water monitoring for North Hero, Vermont to the EPA. Each is listed above with its population served.
What contaminants are in North Hero's water?
The contaminants EPA monitoring detected in North Hero include Nitrate, Copper, TTHM, Chloroform, Total Haloacetic Acids (HAA5). The full list, with the level at the main supplier and the data source, is in the table above.
Where does this data come from?
Every figure is official EPA drinking-water monitoring — the Lead & Copper Rule, the UCMR-5 nationwide testing program, and the EPA Six-Year Review — not our own testing. Each number is labelled with its source and period.