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 | 2008-12-01 → 2008-12-31 |
| MCL | Health-based | Resolved | 2008-12-01 → 2008-12-31 |
| MCL | Health-based | Resolved | 2008-12-01 → 2008-12-31 |
| MCL | Health-based | Resolved | 2008-12-01 → 2008-12-31 |
| MCL | Health-based | Resolved | 2008-12-01 → 2008-12-31 |
| MCL | Health-based | Resolved | 2008-12-01 → 2008-12-31 |
| MCL | Health-based | Resolved | 2008-12-01 → 2008-12-31 |
| MCL | Health-based | Resolved | 2008-12-01 → 2008-12-31 |
| MCL | Health-based | Resolved | 1994-11-01 → 1994-11-30 |
| MCL | Health-based | Resolved | 1994-11-01 → 1994-11-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 608.25 µg/L 47% of the EPA limit 1300 µg/L
worst single sample: 855 µg/L | 90/90 | SYR4 | 2012–2019 |
| Lead | 3.52 µg/L 23% of the EPA limit 15 µg/L
worst single sample: 17 µg/L | 49/90 | SYR4 | 2012–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 31/31 | LCR | 2025 |
| Nitrate | 660 µg/L 6.6% of the EPA limit 10000 µg/L | 18/18 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 656 µg/L 6.6% of the EPA limit 10000 µg/L
worst single sample: 660 µg/L | 9/9 | SYR4 | 2012–2019 |
| Bromodichloromethane | 3.79 µg/L No EPA limit set
worst single sample: 4 µg/L | 8/11 | SYR4 | 2012–2019 |
| Bromoform | 2.13 µg/L No EPA limit set
worst single sample: 2.2 µg/L | 8/11 | SYR4 | 2012–2019 |
| Chloroform | 2.885 µg/L No EPA limit set
worst single sample: 3.2 µg/L | 8/11 | SYR4 | 2012–2019 |
| Dibromochloromethane | 3.73 µg/L No EPA limit set
worst single sample: 3.8 µg/L | 8/11 | SYR4 | 2012–2019 |
| TTHM | 11.242 µg/L 14% of the EPA limit 80 µg/L
worst single sample: 11.48 µg/L | 8/8 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 1.675 µg/L No EPA limit set
worst single sample: 1.7 µg/L | 6/8 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 3.075 µg/L 5.1% of the EPA limit 60 µg/L
worst single sample: 3.1 µg/L | 6/8 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 1.57 µg/L No EPA limit set
worst single sample: 1.6 µg/L | 4/8 | SYR4 | 2012–2019 |
| Barium | 17.7 µg/L 0.9% of the EPA limit 2000 µg/L
worst single sample: 18 µg/L | 3/3 | SYR4 | 2013–2018 |
| Combined Radium (-226 And -228) | 0.1400 pCi/L 2.8% of the EPA limit 5 pCi/L | 1/2 | SYR4 | 2013–2018 |
| Gross Alpha, Excl. Radon And U | 4.55 pCi/L 30% of the EPA limit 15 pCi/L | 1/1 | SYR4 | 2018 |
64 contaminants tested, none detected
Utility contact
Frequently asked questions about Ctwc - Plainfield
Is Ctwc - Plainfield tap water safe to drink?
EPA monitoring detected 16 contaminants in Ctwc - Plainfield'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 Ctwc - Plainfield'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 Ctwc - Plainfield serve?
Ctwc - Plainfield reports serving 1,713 people in Connecticut, per its EPA record.
Has Ctwc - Plainfield had any water quality violations?
The EPA has 18 violations on file for Ctwc - Plainfield, of which 12 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.