What was found in Easton'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 | 3490 µg/L 35% of the EPA limit 10000 µg/L Main supplier: EASTON WATER DIV · 25,058 people · 2019 | 1/1 | SYR4 |
| Fluoride | 578 µg/L 14% of the EPA limit 4000 µg/L Main supplier: EASTON WATER DIV · 25,058 people · 2019 | 1/1 | SYR4 |
| Copper | 80 µg/L 6.2% of the EPA limit 1300 µg/L Main supplier: EASTON WATER DIV · 25,058 people · 2017 | 1/1 | SYR4 |
| TTHM | 34.25 µg/L 43% of the EPA limit 80 µg/L Main supplier: EASTON WATER DIV · 25,058 people · 2019 | 1/1 | SYR4 |
| Chloroform | 12.85 µg/L No EPA limit set Main supplier: EASTON WATER DIV · 25,058 people · 2019 | 1/1 | SYR4 |
| Bromodichloromethane | 12 µg/L No EPA limit set Main supplier: EASTON WATER DIV · 25,058 people · 2019 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 11.8 µg/L 20% of the EPA limit 60 µg/L Main supplier: EASTON WATER DIV · 25,058 people · 2019 | 1/1 | SYR4 |
| Dibromochloromethane | 9.8 µg/L No EPA limit set Main supplier: EASTON WATER DIV · 25,058 people · 2019 | 1/1 | SYR4 |
| Dichloroacetic Acid | 9.47 µg/L No EPA limit set Main supplier: EASTON WATER DIV · 25,058 people · 2019 | 1/1 | SYR4 |
| Monochloroacetic Acid | 4.26 µg/L No EPA limit set Main supplier: EASTON WATER DIV · 25,058 people · 2019 | 1/1 | SYR4 |
| Trichloroacetic Acid | 3.64 µg/L No EPA limit set Main supplier: EASTON WATER DIV · 25,058 people · 2019 | 1/1 | SYR4 |
| 1,1,1-Trichloroethane | 3.625 µg/L 1.8% of the EPA limit 200 µg/L Main supplier: EASTON WATER DIV · 25,058 people · 2019 | 1/1 | SYR4 |
| Bromoform | 2.47 µg/L No EPA limit set Main supplier: EASTON WATER DIV · 25,058 people · 2019 | 1/1 | SYR4 |
| Dibromoacetic Acid | 2.365 µg/L No EPA limit set Main supplier: EASTON WATER DIV · 25,058 people · 2019 | 1/1 | SYR4 |
| PFOS | 0.0163 µg/L No EPA limit set Main supplier: EASTON WATER DIV · 25,058 people · 2024 | 1/1 | UCMR-5 |
| PFOA | 0.0099 µg/L No EPA limit set Main supplier: EASTON WATER DIV · 25,058 people · 2024 | 1/1 | UCMR-5 |
| PFHXS | 0.0079 µg/L No EPA limit set Main supplier: EASTON WATER DIV · 25,058 people · 2024 | 1/1 | UCMR-5 |
| Pfpea | 0.0068 µg/L No EPA limit set Main supplier: EASTON WATER DIV · 25,058 people · 2024 | 1/1 | UCMR-5 |
| PFBS | 0.0057 µg/L No EPA limit set Main supplier: EASTON WATER DIV · 25,058 people · 2024 | 1/1 | UCMR-5 |
| Pfhxa | 0.0056 µg/L No EPA limit set Main supplier: EASTON WATER DIV · 25,058 people · 2024 | 1/1 | UCMR-5 |
| Lead | 0.0010 mg/L 6.7% of the EPA limit 0.0150 mg/L Main supplier: EASTON WATER DIV · 25,058 people · 2025 | 1/1 | LCR |
Water suppliers serving Easton
| Supplier | Population served |
|---|---|
| EASTON WATER DIV | 25,058 |
Frequently asked questions about Easton tap water
Is Easton tap water safe to drink?
EPA testing detected 21 contaminants in the water serving Easton. 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 Easton?
1 public water supplier report drinking-water monitoring for Easton, Massachusetts to the EPA. Each is listed above with its population served.
What contaminants are in Easton's water?
The contaminants EPA monitoring detected in Easton include Nitrate, Fluoride, Copper, TTHM, Chloroform. 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.