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 | 2011-09-01 → 2011-09-30 |
| MCL | Health-based | Resolved | 2011-09-01 → 2011-09-30 |
| MCL | Health-based | Resolved | 2011-09-01 → 2011-09-30 |
| MCL | Health-based | Resolved | 2011-09-01 → 2011-09-30 |
| MCL | Health-based | Resolved | 1998-12-01 → 1998-12-31 |
| MCL | Health-based | Resolved | 1998-12-01 → 1998-12-31 |
| MCL | Health-based | Resolved | 1998-12-01 → 1998-12-31 |
| MCL | Health-based | Resolved | 1998-12-01 → 1998-12-31 |
| MCL | Health-based | Resolved | 1998-12-01 → 1998-12-31 |
| MCL | Health-based | Resolved | 1998-12-01 → 1998-12-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 2860 µg/L 29% of the EPA limit 10000 µg/L | 16/16 | SYR4 | 2012–2019 |
| Copper | 939 µg/L 72% of the EPA limit 1300 µg/L
worst single sample: 1030 µg/L | 15/15 | SYR4 | 2012–2018 |
| Combined Radium (-226 And -228) | 3.1 pCi/L 62% of the EPA limit 5 pCi/L | 13/17 | SYR4 | 2013–2019 |
| Bromodichloromethane | 3.72 µg/L No EPA limit set
worst single sample: 4.6 µg/L | 12/12 | SYR4 | 2012–2019 |
| Dibromochloromethane | 4.89 µg/L No EPA limit set
worst single sample: 7.2 µg/L | 12/12 | SYR4 | 2012–2019 |
| Chloroform | 2.3 µg/L No EPA limit set
worst single sample: 2.6 µg/L | 11/12 | SYR4 | 2012–2019 |
| Lead | 0.0013 mg/L 8.7% of the EPA limit 0.0150 mg/L | 11/11 | LCR | 2025 |
| Combined Uranium | 47.55 µg/L 159% of the EPA limit, at the 95th percentile of samples — 30 µg/L
worst single sample: 48 µg/L | 10/20 | SYR4 | 2013–2019 |
| Lead | 16.4 µg/L 109% of the EPA limit, at the 95th percentile of samples — 15 µg/L
worst single sample: 20 µg/L | 10/15 | SYR4 | 2012–2018 |
| Bromoform | 2.36 µg/L No EPA limit set
worst single sample: 3.2 µg/L | 9/12 | SYR4 | 2012–2019 |
| Gross Alpha, Excl. Radon And U | 11.36 pCi/L 76% of the EPA limit 15 pCi/L
worst single sample: 15.2 pCi/L | 9/17 | SYR4 | 2013–2019 |
| Nitrate-Nitrite | 2814.5 µg/L 28% of the EPA limit 10000 µg/L
worst single sample: 2860 µg/L | 8/8 | SYR4 | 2012–2019 |
| TTHM | 14.24 µg/L 18% of the EPA limit 80 µg/L
worst single sample: 17.6 µg/L | 8/8 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 4.86 µg/L 8.1% of the EPA limit 60 µg/L
worst single sample: 5 µg/L | 8/8 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 1.98 µg/L No EPA limit set
worst single sample: 2.4 µg/L | 7/8 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 4.775 µg/L No EPA limit set
worst single sample: 6 µg/L | 6/8 | SYR4 | 2012–2019 |
| Barium | 95.3 µg/L 4.8% of the EPA limit 2000 µg/L
worst single sample: 97 µg/L | 3/3 | SYR4 | 2012–2018 |
| Fluoride | 156 µg/L 3.9% of the EPA limit 4000 µg/L
worst single sample: 160 µg/L | 3/3 | SYR4 | 2012–2018 |
| Chromium | 1 µg/L 1% of the EPA limit 100 µg/L | 1/3 | SYR4 | 2012–2018 |
| Trichloroacetic Acid | 1.1 µg/L No EPA limit set | 1/8 | SYR4 | 2012–2019 |
61 contaminants tested, none detected
Utility contact
Frequently asked questions about Aquarion-Carmen Hill
Is Aquarion-Carmen Hill tap water safe to drink?
EPA monitoring detected 20 contaminants in Aquarion-Carmen Hill'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-Carmen Hill's water?
EPA monitoring detected Nitrate, Copper, Combined Radium (-226 And -228), Bromodichloromethane, Dibromochloromethane, and others. The full list with the level and data source for each is above.
How many people does Aquarion-Carmen Hill serve?
Aquarion-Carmen Hill reports serving 322 people in Connecticut, per its EPA record.
Has Aquarion-Carmen Hill had any water quality violations?
The EPA has 195 violations on file for Aquarion-Carmen Hill, of which 30 are health-based (a contaminant limit or required treatment was breached) and 2 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.