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 → 1996-09-26 |
| TT | Health-based | Archived | 1992-01-01 → 1996-09-26 |
| MR | Monitoring | Resolved | 2025-09-01 → 2025-09-30 |
| MR | Monitoring | Resolved | 2025-09-01 → 2025-09-30 |
| MR | Monitoring | Resolved | 2025-09-01 → 2025-09-30 |
| MR | Monitoring | Resolved | 2022-12-30 |
| MR | Monitoring | Resolved | 2022-12-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 320 µg/L 25% of the EPA limit 1300 µg/L
worst single sample: 340 µg/L | 31/31 | SYR4 | 2013–2019 |
| Nitrate | 1900 µg/L 19% of the EPA limit 10000 µg/L | 18/32 | SYR4 | 2012–2019 |
| Lead | 0.0013 mg/L 8.7% of the EPA limit 0.0150 mg/L | 16/16 | LCR | 2025 |
| Chloroform | 4.702 µg/L No EPA limit set
worst single sample: 4.73 µg/L | 9/13 | SYR4 | 2013–2019 |
| Lead | 11.8 µg/L 79% of the EPA limit 15 µg/L
worst single sample: 17 µg/L | 9/31 | SYR4 | 2013–2019 |
| Nitrate-Nitrite | 1820 µg/L 18% of the EPA limit 10000 µg/L
worst single sample: 1900 µg/L | 9/16 | SYR4 | 2012–2019 |
| TTHM | 5.591 µg/L 7% of the EPA limit 80 µg/L
worst single sample: 5.96 µg/L | 7/7 | SYR4 | 2013–2019 |
| Total Haloacetic Acids (HAA5) | 10.49 µg/L 17% of the EPA limit 60 µg/L
worst single sample: 11 µg/L | 7/7 | SYR4 | 2013–2019 |
| Trichloroacetic Acid | 2.3 µg/L No EPA limit set
worst single sample: 2.5 µg/L | 5/7 | SYR4 | 2013–2019 |
| Dichloroacetic Acid | 7.82 µg/L No EPA limit set
worst single sample: 8 µg/L | 4/7 | SYR4 | 2013–2019 |
| Bromodichloromethane | 1.781 µg/L No EPA limit set
worst single sample: 1.82 µg/L | 3/13 | SYR4 | 2013–2019 |
| Barium | 9.8 µg/L 0.5% of the EPA limit 2000 µg/L
worst single sample: 10 µg/L | 2/4 | SYR4 | 2013–2015 |
| Combined Radium (-226 And -228) | 0.8755 pCi/L 18% of the EPA limit 5 pCi/L
worst single sample: 0.8900 pCi/L | 2/6 | SYR4 | 2013–2019 |
| Gross Alpha, Excl. Radon And U | 0.5865 pCi/L 3.9% of the EPA limit 15 pCi/L
worst single sample: 0.5900 pCi/L | 2/6 | SYR4 | 2013–2019 |
| Monobromoacetic Acid | 1.3 µg/L No EPA limit set | 1/7 | SYR4 | 2013–2019 |
95 contaminants tested, none detected
Utility contact
Frequently asked questions about Aquarion-New Hartford
Is Aquarion-New Hartford tap water safe to drink?
EPA monitoring detected 15 contaminants in Aquarion-New Hartford'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-New Hartford's water?
EPA monitoring detected Copper, Nitrate, Lead, Chloroform, Lead, and others. The full list with the level and data source for each is above.
How many people does Aquarion-New Hartford serve?
Aquarion-New Hartford reports serving 1,872 people in Connecticut, per its EPA record.
Has Aquarion-New Hartford had any water quality violations?
The EPA has 124 violations on file for Aquarion-New Hartford, 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.