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 |
|---|---|---|---|
| MR | Monitoring | Archived | 2026-01-01 → 2026-03-31 |
| MON | Monitoring | Resolved | 2020-01-01 → 2020-01-31 |
| MON | Monitoring | Resolved | 2020-01-01 → 2020-01-31 |
| MON | Monitoring | Resolved | 2020-01-01 → 2020-01-31 |
| MON | Monitoring | Resolved | 2020-01-01 → 2020-01-31 |
| MR | Monitoring | Resolved | 2016-01-01 |
| MR | Monitoring | Resolved | 2016-01-01 |
| MR | Monitoring | Resolved | 2016-01-01 |
| MR | Monitoring | Resolved | 2016-01-01 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Chloroform | 39.495 µg/L No EPA limit set
worst single sample: 49.5 µg/L | 64/64 | SYR4 | 2012–2019 |
| TTHM | 43.37 µg/L 54% of the EPA limit 80 µg/L
worst single sample: 54 µg/L | 64/64 | SYR4 | 2012–2019 |
| Bromodichloromethane | 4.497 µg/L No EPA limit set
worst single sample: 5.03 µg/L | 63/64 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 49.79 µg/L 83% of the EPA limit 60 µg/L
worst single sample: 57.8 µg/L | 63/64 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 16.985 µg/L No EPA limit set
worst single sample: 22.2 µg/L | 62/64 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 33.6 µg/L No EPA limit set
worst single sample: 40 µg/L | 62/64 | SYR4 | 2012–2019 |
| Dibromochloromethane | 2.379 µg/L No EPA limit set
worst single sample: 2.51 µg/L | 23/64 | SYR4 | 2012–2019 |
| Monochloroacetic Acid | 5.897 µg/L No EPA limit set
worst single sample: 6.32 µg/L | 19/64 | SYR4 | 2012–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 16/16 | LCR | 2026 |
| Bromoform | 1.245 µg/L No EPA limit set
worst single sample: 1.27 µg/L | 6/64 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 1.3965 µg/L No EPA limit set
worst single sample: 1.41 µg/L | 2/64 | SYR4 | 2012–2019 |
| Monobromoacetic Acid | 1.47 µg/L No EPA limit set | 1/64 | SYR4 | 2012–2019 |
Utility contact
Frequently asked questions about North Castle Water District #1
Is North Castle Water District #1 tap water safe to drink?
EPA monitoring detected 12 contaminants in North Castle Water District #1'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 North Castle Water District #1's water?
EPA monitoring detected Chloroform, TTHM, Bromodichloromethane, Total Haloacetic Acids (HAA5), Dichloroacetic Acid, and others. The full list with the level and data source for each is above.
How many people does North Castle Water District #1 serve?
North Castle Water District #1 reports serving 2,500 people in New York, per its EPA record.
Has North Castle Water District #1 had any water quality violations?
The EPA has 9 violations on file for North Castle Water District #1, of which 0 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.