What was found in Avon'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 | 2700 µg/L 27% of the EPA limit 10000 µg/L Main supplier: TOWN OF AVON · 4,777 people · 2019 | 1/1 | SYR4 |
| Cyanide | 280 µg/L 140% of the EPA limit, at the 95th percentile of samples — 200 µg/L Main supplier: TOWN OF AVON · 4,777 people · 2018 | 1/1 | SYR4 |
| Copper | 252.68 µg/L 19% of the EPA limit 1300 µg/L Main supplier: TOWN OF AVON · 4,777 people · 2017 | 1/1 | SYR4 |
| Barium | 103.6 µg/L 5.2% of the EPA limit 2000 µg/L Main supplier: TOWN OF AVON · 4,777 people · 2018 | 1/1 | SYR4 |
| Fluoride | 100 µg/L 2.5% of the EPA limit 4000 µg/L Main supplier: TOWN OF AVON · 4,777 people · 2018 | 1/1 | SYR4 |
| TTHM | 55.25 µg/L 69% of the EPA limit 80 µg/L Main supplier: TOWN OF AVON · 4,777 people · 2019 | 1/1 | SYR4 |
| Bromodichloromethane | 18.15 µg/L No EPA limit set Main supplier: TOWN OF AVON · 4,777 people · 2019 | 1/1 | SYR4 |
| Chloroform | 17.15 µg/L No EPA limit set Main supplier: TOWN OF AVON · 4,777 people · 2019 | 1/1 | SYR4 |
| Dibromochloromethane | 17 µg/L No EPA limit set Main supplier: TOWN OF AVON · 4,777 people · 2019 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 8.8 µg/L 15% of the EPA limit 60 µg/L Main supplier: TOWN OF AVON · 4,777 people · 2019 | 1/1 | SYR4 |
| Bromoform | 6.135 µg/L No EPA limit set Main supplier: TOWN OF AVON · 4,777 people · 2019 | 1/1 | SYR4 |
| Dibromoacetic Acid | 4.085 µg/L No EPA limit set Main supplier: TOWN OF AVON · 4,777 people · 2019 | 1/1 | SYR4 |
| Dichloroacetic Acid | 3.5 µg/L No EPA limit set Main supplier: TOWN OF AVON · 4,777 people · 2019 | 1/1 | SYR4 |
| Trichloroacetic Acid | 2.2 µg/L No EPA limit set Main supplier: TOWN OF AVON · 4,777 people · 2019 | 1/1 | SYR4 |
| Monochloroacetic Acid | 1.5 µg/L No EPA limit set Main supplier: TOWN OF AVON · 4,777 people · 2019 | 1/1 | SYR4 |
| Cadmium | 0.2000 µg/L 4% of the EPA limit 5 µg/L Main supplier: TOWN OF AVON · 4,777 people · 2018 | 1/1 | SYR4 |
| PFOS | 0.0060 µg/L No EPA limit set Main supplier: TOWN OF AVON · 4,777 people · 2023 | 1/1 | UCMR-5 |
| PFOA | 0.0051 µg/L No EPA limit set Main supplier: TOWN OF AVON · 4,777 people · 2023 | 1/1 | UCMR-5 |
| Lead | 0.0014 mg/L 9.3% of the EPA limit 0.0150 mg/L Main supplier: TOWN OF AVON · 4,777 people · 2023 | 1/1 | LCR |
Water suppliers serving Avon
| Supplier | Population served |
|---|---|
| TOWN OF AVON | 4,777 |
Frequently asked questions about Avon tap water
Is Avon tap water safe to drink?
EPA testing detected 19 contaminants in the water serving Avon. 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 Avon?
1 public water supplier report drinking-water monitoring for Avon, Massachusetts to the EPA. Each is listed above with its population served.
What contaminants are in Avon's water?
The contaminants EPA monitoring detected in Avon include Nitrate, Cyanide, Copper, Barium, Fluoride. 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.