Compliance record
Formal violations the EPA has on file for this supplier. A health-based violation means a contaminant limit or a required treatment was breached; the rest are monitoring or reporting failures — still violations, but not a measured health risk.
| Violation | Type | Status | Period |
|---|---|---|---|
| MCL | Health-based | Resolved | 2015-08-01 → 2015-08-31 |
| MCL | Health-based | Resolved | 2015-08-01 → 2015-08-31 |
| MCL | Health-based | Resolved | 2014-06-01 → 2014-06-30 |
| MCL | Health-based | Resolved | 2014-06-01 → 2014-06-30 |
| MCL | Health-based | Resolved | 2014-05-01 → 2014-05-31 |
| MCL | Health-based | Resolved | 2014-05-01 → 2014-05-31 |
| MCL | Health-based | Resolved | 2013-12-01 → 2013-12-31 |
| MCL | Health-based | Resolved | 2013-12-01 → 2013-12-31 |
| MCL | Health-based | Resolved | 2013-10-01 → 2013-10-31 |
| MCL | Health-based | Resolved | 2013-10-01 → 2013-10-31 |
PFAS detected
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 3125 µg/L 31% of the EPA limit 10000 µg/L
worst single sample: 3200 µg/L | 76/80 | SYR4 | 2012–2019 |
| Lead | 0.0031 mg/L 21% of the EPA limit 0.0150 mg/L | 16/16 | LCR | 2025 |
| Simazine | 0.1265 µg/L 3.2% of the EPA limit 4 µg/L
worst single sample: 0.1300 µg/L | 8/21 | SYR4 | 2012–2019 |
| Barium | 9.565 µg/L 0.5% of the EPA limit 2000 µg/L
worst single sample: 10 µg/L | 4/5 | SYR4 | 2014 |
| Bromoform | 2.74 µg/L No EPA limit set
worst single sample: 2.8 µg/L | 3/4 | SYR4 | 2018–2019 |
| TTHM | 3.91 µg/L 4.9% of the EPA limit 80 µg/L
worst single sample: 4.1 µg/L | 3/4 | SYR4 | 2018–2019 |
| Dibromoacetic Acid | 1.19 µg/L No EPA limit set
worst single sample: 1.2 µg/L | 2/4 | SYR4 | 2018–2019 |
| Total Haloacetic Acids (HAA5) | 1.19 µg/L 2% of the EPA limit 60 µg/L
worst single sample: 1.2 µg/L | 2/4 | SYR4 | 2018–2019 |
| Arsenic | 4.2 µg/L 42% of the EPA limit 10 µg/L | 1/5 | SYR4 | 2014 |
| Dibromochloromethane | 1.3 µg/L No EPA limit set | 1/4 | SYR4 | 2018–2019 |
89 contaminants tested, none detected
Utility contact
Frequently asked questions about Boylston Water District
Is Boylston Water District tap water safe to drink?
EPA monitoring detected 12 contaminants in Boylston Water District's water. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and the utility's annual Consumer Confidence Report for its official compliance status.
What contaminants were detected in Boylston Water District's water?
EPA monitoring detected Nitrate, Lead, Simazine, Barium, Bromoform, and others. The full list with the level and data source for each is above.
How many people does Boylston Water District serve?
Boylston Water District reports serving 3,343 people in Massachusetts, per its EPA record.
Has Boylston Water District had any water quality violations?
The EPA has 129 violations on file for Boylston Water District, of which 22 are health-based (a contaminant limit or required treatment was breached) and 0 remain open. The rest are monitoring or reporting failures.
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.