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 | 2004-06-01 → 2004-06-30 |
| MCL | Health-based | Resolved | 1990-09-01 → 1991-02-28 |
| MCL | Health-based | Resolved | 1990-09-01 → 1991-02-28 |
| MR | Monitoring | Unaddressed | 2025-12-30 |
| MR | Monitoring | Resolved | 2025-05-27 |
| MR | Monitoring | Resolved | 2025-05-27 |
| MR | Monitoring | Resolved | 2025-05-27 |
| MR | Monitoring | Resolved | 2025-05-27 |
| MR | Monitoring | Resolved | 2025-05-27 |
| MR | Monitoring | Resolved | 2025-05-27 |
PFAS detected
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Bromoform | 3.934 µg/L No EPA limit set
worst single sample: 8.45 µg/L | 144/164 | SYR4 | 2012–2019 |
| Dibromochloromethane | 4.219 µg/L No EPA limit set
worst single sample: 5.04 µg/L | 139/160 | SYR4 | 2012–2019 |
| Bromodichloromethane | 2.284 µg/L No EPA limit set
worst single sample: 2.69 µg/L | 137/157 | SYR4 | 2012–2019 |
| TTHM | 10.105 µg/L 13% of the EPA limit 80 µg/L
worst single sample: 11.17 µg/L | 126/128 | SYR4 | 2012–2019 |
| Chloroform | 0.9475 µg/L No EPA limit set
worst single sample: 1.42 µg/L | 110/155 | SYR4 | 2012–2019 |
| Copper | 239.4 µg/L 18% of the EPA limit 1300 µg/L
worst single sample: 920 µg/L | 97/98 | SYR4 | 2013–2019 |
| Nitrate | 5700 µg/L 57% of the EPA limit 10000 µg/L
worst single sample: 7300 µg/L | 56/56 | SYR4 | 2013–2019 |
| Lead | 11.32 µg/L 75% of the EPA limit 15 µg/L
worst single sample: 18.7 µg/L | 19/90 | SYR4 | 2013–2019 |
| Lead | 0.0033 mg/L 22% of the EPA limit 0.0150 mg/L | 18/18 | LCR | 2025 |
| Barium | 220.75 µg/L 11% of the EPA limit 2000 µg/L
worst single sample: 240 µg/L | 8/8 | SYR4 | 2014–2017 |
| Chromium | 4.249 µg/L 4.2% of the EPA limit 100 µg/L
worst single sample: 4.34 µg/L | 8/8 | SYR4 | 2014–2017 |
| Total Haloacetic Acids (HAA5) | 2.6025 µg/L 4.3% of the EPA limit 60 µg/L
worst single sample: 2.63 µg/L | 6/128 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 1.386 µg/L No EPA limit set
worst single sample: 1.42 µg/L | 5/128 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 1.61 µg/L No EPA limit set
worst single sample: 1.71 µg/L | 5/128 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 3755 µg/L 38% of the EPA limit 10000 µg/L
worst single sample: 3800 µg/L | 4/4 | SYR4 | 2012 |
| Arsenic | 1.15 µg/L 12% of the EPA limit 10 µg/L | 1/8 | SYR4 | 2014–2017 |
| Monobromoacetic Acid | 0.4500 µg/L No EPA limit set | 1/128 | SYR4 | 2012–2019 |
58 contaminants tested, none detected
Utility contact
Frequently asked questions about Oakland Water Dept
Is Oakland Water Dept tap water safe to drink?
EPA monitoring detected 25 contaminants in Oakland Water Dept'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 Oakland Water Dept's water?
EPA monitoring detected Bromoform, Dibromochloromethane, Bromodichloromethane, TTHM, Chloroform, and others. The full list with the level and data source for each is above.
How many people does Oakland Water Dept serve?
Oakland Water Dept reports serving 12,754 people in New Jersey, per its EPA record.
Has Oakland Water Dept had any water quality violations?
The EPA has 179 violations on file for Oakland Water Dept, of which 3 are health-based (a contaminant limit or required treatment was breached) and 1 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.