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 | Unaddressed | 2024-10-17 |
| TT | Health-based | Resolved | 2021-10-30 |
| TT | Health-based | Resolved | 2021-10-30 |
| TT | Health-based | Resolved | 2021-10-30 |
| TT | Health-based | Resolved | 2021-10-30 |
| TT | Health-based | Resolved | 2014-08-30 |
| TT | Health-based | Resolved | 2014-08-30 |
| TT | Health-based | Resolved | 2014-03-02 |
| TT | Health-based | Resolved | 2014-03-02 |
| TT | Health-based | Resolved | 2012-08-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 476.6 µg/L 37% of the EPA limit 1300 µg/L
worst single sample: 804 µg/L | 85/85 | SYR4 | 2012–2019 |
| Lead | 32.6 µg/L 217% of the EPA limit, at the 95th percentile of samples — 15 µg/L
worst single sample: 141 µg/L | 49/87 | SYR4 | 2012–2019 |
| Lead | 0.0014 mg/L 9.3% of the EPA limit 0.0150 mg/L | 35/35 | LCR | 2025 |
| Nitrate | 4340 µg/L 43% of the EPA limit 10000 µg/L | 18/18 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 4084 µg/L 41% of the EPA limit 10000 µg/L
worst single sample: 4340 µg/L | 9/9 | SYR4 | 2012–2019 |
| Barium | 53.2 µg/L 2.7% of the EPA limit 2000 µg/L
worst single sample: 55 µg/L | 3/3 | SYR4 | 2012–2018 |
| Antimony, Total | 2.1 µg/L 35% of the EPA limit 6 µg/L | 1/3 | SYR4 | 2012–2018 |
| Chromium | 7 µg/L 7% of the EPA limit 100 µg/L | 1/3 | SYR4 | 2012–2018 |
| Styrene | 0.5700 µg/L 0.6% of the EPA limit 100 µg/L | 1/28 | SYR4 | 2012–2019 |
64 contaminants tested, none detected
Utility contact
Frequently asked questions about Thompson Hill Water Co - Paula Lane Div
Is Thompson Hill Water Co - Paula Lane Div tap water safe to drink?
EPA monitoring detected 9 contaminants in Thompson Hill Water Co - Paula Lane Div'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 Thompson Hill Water Co - Paula Lane Div's water?
EPA monitoring detected Copper, Lead, Lead, Nitrate, Nitrate-Nitrite, and others. The full list with the level and data source for each is above.
How many people does Thompson Hill Water Co - Paula Lane Div serve?
Thompson Hill Water Co - Paula Lane Div reports serving 85 people in Connecticut, per its EPA record.
Has Thompson Hill Water Co - Paula Lane Div had any water quality violations?
The EPA has 878 violations on file for Thompson Hill Water Co - Paula Lane Div, of which 81 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.