What was found in Hanson'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 | 1089 µg/L 11% of the EPA limit 10000 µg/L Main supplier: HANSON WATER DEPARTMENT · 9,612 people · 2019 | 1/1 | SYR4 |
| Copper | 58 µg/L 4.5% of the EPA limit 1300 µg/L Main supplier: HANSON WATER DEPARTMENT · 9,612 people · 2012 | 1/1 | SYR4 |
| TTHM | 30.84 µg/L 39% of the EPA limit 80 µg/L Main supplier: HANSON WATER DEPARTMENT · 9,612 people · 2019 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 19.52 µg/L 33% of the EPA limit 60 µg/L Main supplier: HANSON WATER DEPARTMENT · 9,612 people · 2019 | 1/1 | SYR4 |
| Chloroform | 17.745 µg/L No EPA limit set Main supplier: HANSON WATER DEPARTMENT · 9,612 people · 2019 | 1/1 | SYR4 |
| Bromodichloromethane | 10.9 µg/L No EPA limit set Main supplier: HANSON WATER DEPARTMENT · 9,612 people · 2019 | 1/1 | SYR4 |
| Dichloroacetic Acid | 10.37 µg/L No EPA limit set Main supplier: HANSON WATER DEPARTMENT · 9,612 people · 2019 | 1/1 | SYR4 |
| Antimony, Total | 9 µg/L 150% of the EPA limit, at the 95th percentile of samples — 6 µg/L Main supplier: HANSON WATER DEPARTMENT · 9,612 people · 2019 | 1/1 | SYR4 |
| Dibromochloromethane | 8.5 µg/L No EPA limit set Main supplier: HANSON WATER DEPARTMENT · 9,612 people · 2019 | 1/1 | SYR4 |
| Trichloroacetic Acid | 8.475 µg/L No EPA limit set Main supplier: HANSON WATER DEPARTMENT · 9,612 people · 2019 | 1/1 | SYR4 |
| Tetrachloroethylene | 5.18 µg/L 104% of the EPA limit, at the 95th percentile of samples — 5 µg/L Main supplier: HANSON WATER DEPARTMENT · 9,612 people · 2019 | 1/1 | SYR4 |
| Bromoform | 4.165 µg/L No EPA limit set Main supplier: HANSON WATER DEPARTMENT · 9,612 people · 2019 | 1/1 | SYR4 |
| Dibromoacetic Acid | 2.37 µg/L No EPA limit set Main supplier: HANSON WATER DEPARTMENT · 9,612 people · 2019 | 1/1 | SYR4 |
| Monochloroacetic Acid | 2.285 µg/L No EPA limit set Main supplier: HANSON WATER DEPARTMENT · 9,612 people · 2019 | 1/1 | SYR4 |
| Thallium, Total | 1 µg/L 50% of the EPA limit 2 µg/L Main supplier: HANSON WATER DEPARTMENT · 9,612 people · 2019 | 1/1 | SYR4 |
| Lead | 0.0080 mg/L 53% of the EPA limit 0.0150 mg/L Main supplier: HANSON WATER DEPARTMENT · 9,612 people · 2025 | 1/1 | LCR |
| PFOA | 0.0056 µg/L No EPA limit set Main supplier: HANSON WATER DEPARTMENT · 9,612 people · 2025 | 1/1 | UCMR-5 |
| PFOS | 0.0040 µg/L No EPA limit set Main supplier: HANSON WATER DEPARTMENT · 9,612 people · 2025 | 1/1 | UCMR-5 |
Water suppliers serving Hanson
| Supplier | Population served |
|---|---|
| HANSON WATER DEPARTMENT | 9,612 |
Frequently asked questions about Hanson tap water
Is Hanson tap water safe to drink?
EPA testing detected 18 contaminants in the water serving Hanson. 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 Hanson?
1 public water supplier report drinking-water monitoring for Hanson, Massachusetts to the EPA. Each is listed above with its population served.
What contaminants are in Hanson's water?
The contaminants EPA monitoring detected in Hanson include Nitrate, Copper, TTHM, Total Haloacetic Acids (HAA5), 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.