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 |
|---|---|---|---|
| TT | Health-based | Resolved | 2013-08-01 → 2013-08-31 |
| TT | Health-based | Resolved | 2013-08-01 → 2013-08-31 |
| TT | Health-based | Resolved | 2013-08-01 → 2013-08-31 |
| MCL | Health-based | Archived | 1993-09-01 → 1993-09-30 |
| TT | Health-based | Resolved | 1992-01-01 → 1997-01-01 |
| TT | Health-based | Resolved | 1992-01-01 → 1997-01-01 |
| Other | Monitoring | Unaddressed | 2025-07-02 |
| MR | Monitoring | Resolved | 2015-06-01 |
| MR | Monitoring | Resolved | 2015-06-01 |
| MR | Monitoring | Resolved | 2015-06-01 |
PFAS detected
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| TTHM | 54.2 µg/L 68% of the EPA limit 80 µg/L
worst single sample: 64 µg/L | 53/53 | SYR4 | 2012–2019 |
| Chloroform | 53.2 µg/L No EPA limit set
worst single sample: 60 µg/L | 45/45 | SYR4 | 2013–2019 |
| Bromodichloromethane | 5.432 µg/L No EPA limit set
worst single sample: 6.7 µg/L | 42/45 | SYR4 | 2013–2019 |
| Nitrate | 1605 µg/L 16% of the EPA limit 10000 µg/L
worst single sample: 1700 µg/L | 40/42 | SYR4 | 2013–2019 |
| Total Haloacetic Acids (HAA5) | 46.2 µg/L 77% of the EPA limit 60 µg/L
worst single sample: 79 µg/L | 37/50 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 24.525 µg/L No EPA limit set
worst single sample: 28 µg/L | 34/45 | SYR4 | 2013–2019 |
| Trichloroacetic Acid | 34.65 µg/L No EPA limit set
worst single sample: 48 µg/L | 30/45 | SYR4 | 2013–2019 |
| Lead | 0.0030 mg/L 20% of the EPA limit 0.0150 mg/L | 20/20 | LCR | 2025 |
| Barium | 173.6 µg/L 8.7% of the EPA limit 2000 µg/L
worst single sample: 182 µg/L | 15/15 | SYR4 | 2012–2019 |
| Monochloroacetic Acid | 2.045 µg/L No EPA limit set
worst single sample: 2.1 µg/L | 12/45 | SYR4 | 2013–2019 |
| Dibromochloromethane | 0.6720 µg/L No EPA limit set
worst single sample: 0.6800 µg/L | 5/46 | SYR4 | 2013–2019 |
| Copper | 826.2 µg/L 64% of the EPA limit 1300 µg/L
worst single sample: 960 µg/L | 4/6 | SYR4 | 2014–2015 |
| Monobromoacetic Acid | 0.5950 µg/L No EPA limit set
worst single sample: 0.6000 µg/L | 3/45 | SYR4 | 2013–2019 |
| Lithium | 11.4 µg/L No EPA limit set | 2/8 | UCMR-5 | 2024 |
| Fluoride | 60 µg/L 1.5% of the EPA limit 4000 µg/L | 1/15 | SYR4 | 2012–2019 |
| Nitrite | 11.6 µg/L 1.2% of the EPA limit 1000 µg/L | 1/6 | SYR4 | 2014–2017 |
83 contaminants tested, none detected
Utility contact
Frequently asked questions about Hatfield Water Dept
Is Hatfield Water Dept tap water safe to drink?
EPA monitoring detected 20 contaminants in Hatfield Water Dept'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 Hatfield Water Dept's water?
EPA monitoring detected TTHM, Chloroform, Bromodichloromethane, Nitrate, Total Haloacetic Acids (HAA5), and others. The full list with the level and data source for each is above.
How many people does Hatfield Water Dept serve?
Hatfield Water Dept reports serving 3,164 people in Massachusetts, per its EPA record.
Has Hatfield Water Dept had any water quality violations?
The EPA has 67 violations on file for Hatfield Water Dept, of which 6 are health-based (a contaminant limit or required treatment was breached) and 1 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.