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 | 1992-01-01 |
| TT | Health-based | Resolved | 1992-01-01 |
| TT | Health-based | Resolved | 1992-01-01 |
| TT | Health-based | Archived | 1992-01-01 → 1998-10-01 |
| TT | Health-based | Archived | 1992-01-01 → 1998-10-01 |
| MR | Monitoring | Archived | 2021-01-01 → 2023-12-31 |
| MR | Monitoring | Archived | 2021-01-01 → 2023-12-31 |
| MR | Monitoring | Archived | 2021-01-01 → 2023-12-31 |
| MR | Monitoring | Archived | 2021-01-01 → 2023-12-31 |
| MR | Monitoring | Archived | 2021-01-01 → 2023-12-31 |
PFAS detected
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Bromodichloromethane | 16 µg/L No EPA limit set
worst single sample: 19 µg/L | 417/426 | SYR4 | 2012–2019 |
| Dibromochloromethane | 3 µg/L No EPA limit set | 417/426 | SYR4 | 2012–2019 |
| Chloroform | 63 µg/L No EPA limit set
worst single sample: 79 µg/L | 411/426 | SYR4 | 2012–2019 |
| TTHM | 80.7 µg/L 101% of the EPA limit, at the 95th percentile of samples — 80 µg/L
worst single sample: 101 µg/L | 384/384 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 53.9 µg/L 90% of the EPA limit 60 µg/L
worst single sample: 75 µg/L | 383/384 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 29 µg/L No EPA limit set
worst single sample: 38 µg/L | 382/384 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 24 µg/L No EPA limit set
worst single sample: 36 µg/L | 380/384 | SYR4 | 2012–2019 |
| Monochloroacetic Acid | 2 µg/L No EPA limit set
worst single sample: 3 µg/L | 314/384 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 1 µg/L No EPA limit set | 167/384 | SYR4 | 2012–2019 |
| Copper | 261 µg/L 20% of the EPA limit 1300 µg/L
worst single sample: 360 µg/L | 159/205 | SYR4 | 2012–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 98/98 | LCR | 2026 |
| Nitrate | 1339 µg/L 13% of the EPA limit 10000 µg/L
worst single sample: 1560 µg/L | 82/82 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 1285 µg/L 13% of the EPA limit 10000 µg/L
worst single sample: 1560 µg/L | 65/65 | SYR4 | 2012–2019 |
| Barium | 48.9 µg/L 2.4% of the EPA limit 2000 µg/L
worst single sample: 55 µg/L | 52/52 | SYR4 | 2012–2019 |
| Fluoride | 916 µg/L 23% of the EPA limit 4000 µg/L
worst single sample: 1080 µg/L | 52/52 | SYR4 | 2012–2019 |
| Lead | 42.65 µg/L 284% of the EPA limit, at the 95th percentile of samples — 15 µg/L
worst single sample: 668 µg/L | 44/205 | SYR4 | 2012–2019 |
| Monobromoacetic Acid | 1 µg/L No EPA limit set | 17/384 | SYR4 | 2012–2019 |
| Bromoform | 0.5950 µg/L No EPA limit set
worst single sample: 0.6000 µg/L | 2/426 | SYR4 | 2012–2019 |
84 contaminants tested, none detected
Utility contact
Frequently asked questions about Aquarion-Eastern Fairfield County
Is Aquarion-Eastern Fairfield County tap water safe to drink?
EPA monitoring detected 25 contaminants in Aquarion-Eastern Fairfield County'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 Aquarion-Eastern Fairfield County's water?
EPA monitoring detected Bromodichloromethane, Dibromochloromethane, Chloroform, TTHM, Total Haloacetic Acids (HAA5), and others. The full list with the level and data source for each is above.
How many people does Aquarion-Eastern Fairfield County serve?
Aquarion-Eastern Fairfield County reports serving 351,756 people in Connecticut, per its EPA record.
Has Aquarion-Eastern Fairfield County had any water quality violations?
The EPA has 585 violations on file for Aquarion-Eastern Fairfield County, of which 5 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.