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 | Archived | 2012-11-01 → 2012-11-30 |
| MCL | Health-based | Archived | 2012-10-01 → 2012-10-31 |
| MCL | Health-based | Archived | 2012-10-01 → 2012-10-31 |
| MCL | Health-based | Archived | 2009-11-01 → 2009-11-30 |
| MCL | Health-based | Archived | 2009-10-01 → 2009-10-31 |
| MCL | Health-based | Archived | 2008-12-01 → 2008-12-31 |
| MCL | Health-based | Archived | 2008-12-01 → 2008-12-31 |
| MCL | Health-based | Archived | 2008-10-01 → 2008-10-31 |
| MCL | Health-based | Archived | 2007-10-01 → 2007-10-31 |
| MCL | Health-based | Archived | 2007-10-01 → 2007-10-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| TTHM | 77 µg/L 96% of the EPA limit 80 µg/L
worst single sample: 90 µg/L | 33/33 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 75.68 µg/L 126% of the EPA limit, at the 95th percentile of samples — 60 µg/L
worst single sample: 82 µg/L | 33/35 | SYR4 | 2012–2019 |
| Nitrate | 4065 µg/L 41% of the EPA limit 10000 µg/L
worst single sample: 4200 µg/L | 30/30 | SYR4 | 2013–2019 |
| Trichloroacetic Acid | 51.9 µg/L No EPA limit set
worst single sample: 53 µg/L | 22/24 | SYR4 | 2012–2019 |
| Bromodichloromethane | 5.005 µg/L No EPA limit set
worst single sample: 5.1 µg/L | 20/21 | SYR4 | 2012–2019 |
| Chloroform | 78.4 µg/L No EPA limit set
worst single sample: 86 µg/L | 20/21 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 22 µg/L No EPA limit set | 20/24 | SYR4 | 2012–2019 |
| Monochloroacetic Acid | 4.21 µg/L No EPA limit set
worst single sample: 7 µg/L | 19/24 | SYR4 | 2012–2019 |
| Lead | 0.0026 mg/L 17% of the EPA limit 0.0150 mg/L | 15/15 | LCR | 2025 |
| Monobromoacetic Acid | 3.29 µg/L No EPA limit set
worst single sample: 3.8 µg/L | 7/23 | SYR4 | 2012–2019 |
| Barium | 279 µg/L 14% of the EPA limit 2000 µg/L
worst single sample: 280 µg/L | 3/3 | SYR4 | 2014–2017 |
| Bromoform | 2.8765 µg/L No EPA limit set
worst single sample: 2.97 µg/L | 2/21 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 1.55315 µg/L No EPA limit set
worst single sample: 1.6 µg/L | 2/24 | SYR4 | 2012–2019 |
| Dibromochloromethane | 1.396 µg/L No EPA limit set
worst single sample: 1.43 µg/L | 2/23 | SYR4 | 2012–2019 |
88 contaminants tested, none detected
Utility contact
Frequently asked questions about Southwick Water Dept
Is Southwick Water Dept tap water safe to drink?
EPA monitoring detected 14 contaminants in Southwick 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 Southwick Water Dept's water?
EPA monitoring detected TTHM, Total Haloacetic Acids (HAA5), Nitrate, Trichloroacetic Acid, Bromodichloromethane, and others. The full list with the level and data source for each is above.
How many people does Southwick Water Dept serve?
Southwick Water Dept reports serving 7,669 people in Massachusetts, per its EPA record.
Has Southwick Water Dept had any water quality violations?
The EPA has 120 violations on file for Southwick Water Dept, of which 14 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.