What was found in Blackstone'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 | 2100 µg/L 21% of the EPA limit 10000 µg/L Main supplier: BLACKSTONE WATER DEPARTMENT · 9,463 people · 2019 | 1/1 | SYR4 |
| Barium | 258.6 µg/L 13% of the EPA limit 2000 µg/L Main supplier: BLACKSTONE WATER DEPARTMENT · 9,463 people · 2018 | 1/1 | SYR4 |
| TTHM | 22.605 µg/L 28% of the EPA limit 80 µg/L Main supplier: BLACKSTONE WATER DEPARTMENT · 9,463 people · 2019 | 1/1 | SYR4 |
| Dibromochloromethane | 8.5 µg/L No EPA limit set Main supplier: BLACKSTONE WATER DEPARTMENT · 9,463 people · 2019 | 1/1 | SYR4 |
| Bromodichloromethane | 7.562 µg/L No EPA limit set Main supplier: BLACKSTONE WATER DEPARTMENT · 9,463 people · 2019 | 1/1 | SYR4 |
| Bromoform | 6.71 µg/L No EPA limit set Main supplier: BLACKSTONE WATER DEPARTMENT · 9,463 people · 2019 | 1/1 | SYR4 |
| Chloroform | 5.778 µg/L No EPA limit set Main supplier: BLACKSTONE WATER DEPARTMENT · 9,463 people · 2019 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 3.41 µg/L 5.7% of the EPA limit 60 µg/L Main supplier: BLACKSTONE WATER DEPARTMENT · 9,463 people · 2019 | 1/1 | SYR4 |
| Dibromoacetic Acid | 1.438 µg/L No EPA limit set Main supplier: BLACKSTONE WATER DEPARTMENT · 9,463 people · 2019 | 1/1 | SYR4 |
| Arsenic | 1 µg/L 10% of the EPA limit 10 µg/L Main supplier: BLACKSTONE WATER DEPARTMENT · 9,463 people · 2018 | 1/1 | SYR4 |
| Dichloroacetic Acid | 1 µg/L No EPA limit set Main supplier: BLACKSTONE WATER DEPARTMENT · 9,463 people · 2019 | 1/1 | SYR4 |
| Monochloroacetic Acid | 1 µg/L No EPA limit set Main supplier: BLACKSTONE WATER DEPARTMENT · 9,463 people · 2019 | 1/1 | SYR4 |
| Trichloroacetic Acid | 0.9850 µg/L No EPA limit set Main supplier: BLACKSTONE WATER DEPARTMENT · 9,463 people · 2019 | 1/1 | SYR4 |
| Monobromoacetic Acid | 0.6200 µg/L No EPA limit set Main supplier: BLACKSTONE WATER DEPARTMENT · 9,463 people · 2019 | 1/1 | SYR4 |
| PFOA | 0.0057 µg/L No EPA limit set Main supplier: BLACKSTONE WATER DEPARTMENT · 9,463 people · 2025 | 1/1 | UCMR-5 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L Main supplier: BLACKSTONE WATER DEPARTMENT · 9,463 people · 2025 | 1/1 | LCR |
Water suppliers serving Blackstone
| Supplier | Population served |
|---|---|
| BLACKSTONE WATER DEPARTMENT | 9,463 |
Frequently asked questions about Blackstone tap water
Is Blackstone tap water safe to drink?
EPA testing detected 16 contaminants in the water serving Blackstone. 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 Blackstone?
1 public water supplier report drinking-water monitoring for Blackstone, Massachusetts to the EPA. Each is listed above with its population served.
What contaminants are in Blackstone's water?
The contaminants EPA monitoring detected in Blackstone include Nitrate, Barium, TTHM, Dibromochloromethane, Bromodichloromethane. 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.