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 | 2008-06-01 → 2008-06-30 |
| MCL | Health-based | Resolved | 2008-06-01 → 2008-06-30 |
| MCL | Health-based | Resolved | 2005-10-01 → 2005-10-31 |
| MCL | Health-based | Resolved | 2005-10-01 → 2005-10-31 |
| MCL | Health-based | Resolved | 2005-10-01 → 2005-10-31 |
| MCL | Health-based | Resolved | 2005-10-01 → 2005-10-31 |
| MCL | Health-based | Archived | 2004-04-01 → 2004-04-30 |
| RPT | Monitoring | Resolved | 2026-02-11 |
| MR | Monitoring | Archived | 2024-08-01 → 2024-08-31 |
| MR | Monitoring | Archived | 2024-08-01 → 2024-08-31 |
PFAS detected
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Dibromochloromethane | 11.34 µg/L No EPA limit set
worst single sample: 11.6 µg/L | 64/64 | SYR4 | 2012–2019 |
| TTHM | 55.36 µg/L 69% of the EPA limit 80 µg/L
worst single sample: 76 µg/L | 64/64 | SYR4 | 2012–2019 |
| Bromodichloromethane | 15 µg/L No EPA limit set
worst single sample: 18 µg/L | 63/64 | SYR4 | 2012–2019 |
| Bromoform | 6.36 µg/L No EPA limit set
worst single sample: 11.3 µg/L | 61/64 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 33.2 µg/L 55% of the EPA limit 60 µg/L
worst single sample: 35.2 µg/L | 61/63 | SYR4 | 2012–2019 |
| Chloroform | 39.205 µg/L No EPA limit set
worst single sample: 49.2 µg/L | 60/64 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 15.1 µg/L No EPA limit set
worst single sample: 17 µg/L | 55/63 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 14.845 µg/L No EPA limit set
worst single sample: 16.8 µg/L | 52/63 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 2.683 µg/L No EPA limit set
worst single sample: 3.74 µg/L | 38/63 | SYR4 | 2012–2019 |
| Copper | 295.2 µg/L 23% of the EPA limit 1300 µg/L
worst single sample: 416 µg/L | 23/40 | SYR4 | 2014–2017 |
| Lead | 0.0029 mg/L 19% of the EPA limit 0.0150 mg/L | 17/17 | LCR | 2023 |
| Monobromoacetic Acid | 3.386 µg/L No EPA limit set
worst single sample: 3.89 µg/L | 13/63 | SYR4 | 2012–2019 |
| Monochloroacetic Acid | 5.007 µg/L No EPA limit set
worst single sample: 5.31 µg/L | 7/63 | SYR4 | 2012–2019 |
| Lead | 90.2 µg/L 601% of the EPA limit, at the 95th percentile of samples — 15 µg/L
worst single sample: 112 µg/L | 5/40 | SYR4 | 2014–2017 |
26 contaminants tested, none detected
Utility contact
Frequently asked questions about North Caldwell Water Dep
Is North Caldwell Water Dep tap water safe to drink?
EPA monitoring detected 18 contaminants in North Caldwell Water Dep'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 Caldwell Water Dep's water?
EPA monitoring detected Dibromochloromethane, TTHM, Bromodichloromethane, Bromoform, Total Haloacetic Acids (HAA5), and others. The full list with the level and data source for each is above.
How many people does North Caldwell Water Dep serve?
North Caldwell Water Dep reports serving 6,000 people in New Jersey, per its EPA record.
Has North Caldwell Water Dep had any water quality violations?
The EPA has 58 violations on file for North Caldwell Water Dep, of which 7 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.