What was found in Norton'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 | 2298.5 µg/L 23% of the EPA limit 10000 µg/L Main supplier: NORTON WATER DEPARTMENT · 19,161 people · 2019 | 1/1 | SYR4 |
| TTHM | 73.76 µg/L 92% of the EPA limit 80 µg/L Main supplier: NORTON WATER DEPARTMENT · 19,161 people · 2019 | 1/1 | SYR4 |
| Chloroform | 53 µg/L No EPA limit set Main supplier: NORTON WATER DEPARTMENT · 19,161 people · 2019 | 1/1 | SYR4 |
| Copper | 30 µg/L 2.3% of the EPA limit 1300 µg/L Main supplier: NORTON WATER DEPARTMENT · 19,161 people · 2018 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 21.08 µg/L 35% of the EPA limit 60 µg/L Main supplier: NORTON WATER DEPARTMENT · 19,161 people · 2019 | 1/1 | SYR4 |
| Bromodichloromethane | 18.5 µg/L No EPA limit set Main supplier: NORTON WATER DEPARTMENT · 19,161 people · 2019 | 1/1 | SYR4 |
| Trichloroacetic Acid | 13.54 µg/L No EPA limit set Main supplier: NORTON WATER DEPARTMENT · 19,161 people · 2019 | 1/1 | SYR4 |
| Dichloroacetic Acid | 11.68 µg/L No EPA limit set Main supplier: NORTON WATER DEPARTMENT · 19,161 people · 2019 | 1/1 | SYR4 |
| Dibromochloromethane | 7.7 µg/L No EPA limit set Main supplier: NORTON WATER DEPARTMENT · 19,161 people · 2019 | 1/1 | SYR4 |
| Monochloroacetic Acid | 5.005 µg/L No EPA limit set Main supplier: NORTON WATER DEPARTMENT · 19,161 people · 2019 | 1/1 | SYR4 |
| Dibromoacetic Acid | 2.66 µg/L No EPA limit set Main supplier: NORTON WATER DEPARTMENT · 19,161 people · 2019 | 1/1 | SYR4 |
| Bromoform | 1.46 µg/L No EPA limit set Main supplier: NORTON WATER DEPARTMENT · 19,161 people · 2019 | 1/1 | SYR4 |
| PFOA | 0.0088 µg/L No EPA limit set Main supplier: NORTON WATER DEPARTMENT · 19,161 people · 2024 | 1/1 | UCMR-5 |
| PFHXS | 0.0064 µg/L No EPA limit set Main supplier: NORTON WATER DEPARTMENT · 19,161 people · 2024 | 1/1 | UCMR-5 |
| PFBS | 0.0049 µg/L No EPA limit set Main supplier: NORTON WATER DEPARTMENT · 19,161 people · 2024 | 1/1 | UCMR-5 |
| Pfhxa | 0.0041 µg/L No EPA limit set Main supplier: NORTON WATER DEPARTMENT · 19,161 people · 2024 | 1/1 | UCMR-5 |
| PFOS | 0.0040 µg/L No EPA limit set Main supplier: NORTON WATER DEPARTMENT · 19,161 people · 2024 | 1/1 | UCMR-5 |
| Pfpea | 0.0040 µg/L No EPA limit set Main supplier: NORTON WATER DEPARTMENT · 19,161 people · 2024 | 1/1 | UCMR-5 |
| Pfhpa | 0.0033 µg/L No EPA limit set Main supplier: NORTON WATER DEPARTMENT · 19,161 people · 2024 | 1/1 | UCMR-5 |
| Lead | 0.0010 mg/L 6.7% of the EPA limit 0.0150 mg/L Main supplier: NORTON WATER DEPARTMENT · 19,161 people · 2025 | 1/1 | LCR |
Water suppliers serving Norton
| Supplier | Population served |
|---|---|
| NORTON WATER DEPARTMENT | 19,161 |
Frequently asked questions about Norton tap water
Is Norton tap water safe to drink?
EPA testing detected 20 contaminants in the water serving Norton. 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 Norton?
1 public water supplier report drinking-water monitoring for Norton, Massachusetts to the EPA. Each is listed above with its population served.
What contaminants are in Norton's water?
The contaminants EPA monitoring detected in Norton include Nitrate, TTHM, Chloroform, Copper, 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.