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 | 2006-07-01 → 2006-09-30 |
| MCL | Health-based | Resolved | 2006-07-01 → 2006-09-30 |
| MCL | Health-based | Resolved | 2006-07-01 → 2006-09-30 |
| MCL | Health-based | Resolved | 2006-07-01 → 2006-09-30 |
| MCL | Health-based | Resolved | 2001-06-01 → 2001-06-30 |
| MCL | Health-based | Resolved | 2001-06-01 → 2001-06-30 |
| MCL | Health-based | Resolved | 2001-06-01 → 2001-06-30 |
| MCL | Health-based | Resolved | 2001-06-01 → 2001-06-30 |
| MR | Monitoring | Resolved | 2019-12-30 |
| Other | Monitoring | Resolved | 2018-07-01 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 180 µg/L 14% of the EPA limit 1300 µg/L | 18/20 | SYR4 | 2012–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 14/14 | LCR | 2027 |
| Nitrate | 1600 µg/L 16% of the EPA limit 10000 µg/L | 10/16 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 1600 µg/L 16% of the EPA limit 10000 µg/L | 5/8 | SYR4 | 2012–2019 |
| Combined Uranium | 8.1 µg/L 27% of the EPA limit 30 µg/L | 3/3 | SYR4 | 2013–2019 |
| Barium | 40 µg/L 2% of the EPA limit 2000 µg/L | 2/3 | SYR4 | 2012–2019 |
| Fluoride | 300 µg/L 7.5% of the EPA limit 4000 µg/L | 2/3 | SYR4 | 2012–2019 |
| Chromium | 1 µg/L 1% of the EPA limit 100 µg/L | 1/3 | SYR4 | 2012–2019 |
| Combined Radium (-226 And -228) | 1.45 pCi/L 29% of the EPA limit 5 pCi/L | 1/2 | SYR4 | 2013–2019 |
| Lead | 2 µg/L 13% of the EPA limit 15 µg/L | 1/20 | SYR4 | 2012–2019 |
70 contaminants tested, none detected
Utility contact
Frequently asked questions about Aquarion-Hickory Hills
Is Aquarion-Hickory Hills tap water safe to drink?
EPA monitoring detected 10 contaminants in Aquarion-Hickory Hills'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-Hickory Hills's water?
EPA monitoring detected Copper, Lead, Nitrate, Nitrate-Nitrite, Combined Uranium, and others. The full list with the level and data source for each is above.
How many people does Aquarion-Hickory Hills serve?
Aquarion-Hickory Hills reports serving 132 people in Connecticut, per its EPA record.
Has Aquarion-Hickory Hills had any water quality violations?
The EPA has 434 violations on file for Aquarion-Hickory Hills, of which 8 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.