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 | Addressed | 2024-10-17 |
| MCL | Health-based | Resolved | 2013-09-01 → 2013-09-30 |
| MCL | Health-based | Resolved | 2013-09-01 → 2013-09-30 |
| MCL | Health-based | Resolved | 2013-09-01 → 2013-09-30 |
| MCL | Health-based | Resolved | 2013-09-01 → 2013-09-30 |
| MCL | Health-based | Resolved | 2011-07-01 → 2011-07-31 |
| MCL | Health-based | Resolved | 2011-07-01 → 2011-07-31 |
| MCL | Health-based | Resolved | 2011-07-01 → 2011-07-31 |
| MCL | Health-based | Resolved | 2011-07-01 → 2011-07-31 |
| MCL | Health-based | Resolved | 2010-12-01 → 2010-12-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 4060 µg/L 41% of the EPA limit 10000 µg/L | 16/16 | SYR4 | 2012–2019 |
| Copper | 202 µg/L 16% of the EPA limit 1300 µg/L | 15/15 | SYR4 | 2012–2018 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 10/10 | LCR | 2025 |
| Nitrate-Nitrite | 4060 µg/L 41% of the EPA limit 10000 µg/L | 8/8 | SYR4 | 2012–2019 |
| Lead | 16 µg/L 107% of the EPA limit, in the worst sample — 15 µg/L | 6/15 | SYR4 | 2012–2018 |
| Barium | 160 µg/L 8% of the EPA limit 2000 µg/L | 2/2 | SYR4 | 2016–2019 |
| Combined Uranium | 2.1 µg/L 7% of the EPA limit 30 µg/L | 2/2 | SYR4 | 2016–2019 |
| Arsenic | 2.8 µg/L 28% of the EPA limit 10 µg/L | 1/2 | SYR4 | 2016–2019 |
| Bromoform | 1 µg/L No EPA limit set | 1/10 | SYR4 | 2012–2019 |
| Combined Radium (-226 And -228) | 1.18 pCi/L 24% of the EPA limit 5 pCi/L | 1/2 | SYR4 | 2016–2019 |
| Dibromochloromethane | 1 µg/L No EPA limit set | 1/10 | SYR4 | 2012–2019 |
| TTHM | 2 µg/L 2.5% of the EPA limit 80 µg/L | 1/2 | SYR4 | 2018–2019 |
67 contaminants tested, none detected
Utility contact
Frequently asked questions about Gqc Well Commission
Is Gqc Well Commission tap water safe to drink?
EPA monitoring detected 12 contaminants in Gqc Well Commission'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 Gqc Well Commission's water?
EPA monitoring detected Nitrate, Copper, Lead, Nitrate-Nitrite, Lead, and others. The full list with the level and data source for each is above.
How many people does Gqc Well Commission serve?
Gqc Well Commission reports serving 360 people in Connecticut, per its EPA record.
Has Gqc Well Commission had any water quality violations?
The EPA has 327 violations on file for Gqc Well Commission, of which 85 are health-based (a contaminant limit or required treatment was breached) and 3 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.