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 | 2012-06-01 → 2012-06-30 |
| MCL | Health-based | Resolved | 2012-06-01 → 2012-06-30 |
| MCL | Health-based | Resolved | 2012-06-01 → 2012-06-30 |
| MCL | Health-based | Resolved | 2012-06-01 → 2012-06-30 |
| MR | Monitoring | Archived | 2025-04-01 → 2025-06-30 |
| MR | Monitoring | Archived | 2025-04-01 → 2025-06-30 |
| MR | Monitoring | Archived | 2023-04-01 → 2023-06-30 |
| MR | Monitoring | Archived | 2023-04-01 → 2023-06-30 |
| MR | Monitoring | Resolved | 2021-01-01 → 2021-03-31 |
| MR | Monitoring | Resolved | 2021-01-01 → 2021-03-31 |
PFAS detected
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 257.8 µg/L 20% of the EPA limit 1300 µg/L
worst single sample: 670 µg/L | 153/159 | SYR4 | 2012–2019 |
| Dibromochloromethane | 5.7 µg/L No EPA limit set
worst single sample: 7.11 µg/L | 91/105 | SYR4 | 2012–2019 |
| Bromoform | 8.085 µg/L No EPA limit set
worst single sample: 11.2 µg/L | 78/99 | SYR4 | 2012–2019 |
| Lead | 18.22 µg/L 121% of the EPA limit, at the 95th percentile of samples — 15 µg/L
worst single sample: 62.5 µg/L | 67/143 | SYR4 | 2012–2019 |
| Nitrate | 4200 µg/L 42% of the EPA limit 10000 µg/L | 50/50 | SYR4 | 2013–2019 |
| Chloroform | 1.656 µg/L No EPA limit set
worst single sample: 3.86 µg/L | 37/73 | SYR4 | 2012–2019 |
| Bromodichloromethane | 2.629 µg/L No EPA limit set
worst single sample: 2.98 µg/L | 35/77 | SYR4 | 2012–2019 |
| Lead | 0.0030 mg/L 20% of the EPA limit 0.0150 mg/L | 23/23 | LCR | 2025 |
| TTHM | 19.941 µg/L 25% of the EPA limit 80 µg/L
worst single sample: 20.76 µg/L | 14/14 | SYR4 | 2012–2019 |
| Barium | 467.3 µg/L 23% of the EPA limit 2000 µg/L
worst single sample: 475 µg/L | 12/12 | SYR4 | 2012–2018 |
| Chromium | 12.47 µg/L 12% of the EPA limit 100 µg/L
worst single sample: 12.8 µg/L | 12/12 | SYR4 | 2012–2018 |
| 1,1,1-Trichloroethane | 0.3639 µg/L 0.2% of the EPA limit 200 µg/L
worst single sample: 0.3660 µg/L | 8/108 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 4400 µg/L 44% of the EPA limit 10000 µg/L | 8/8 | SYR4 | 2012–2013 |
| Arsenic | 1.3025 µg/L 13% of the EPA limit 10 µg/L
worst single sample: 1.32 µg/L | 6/12 | SYR4 | 2012–2018 |
| Combined Radium (-226 And -228) | 1.5 pCi/L 30% of the EPA limit 5 pCi/L | 5/9 | SYR4 | 2012–2018 |
| Combined Uranium | 3.04854 µg/L 10% of the EPA limit 30 µg/L
worst single sample: 3.1141 µg/L | 5/5 | SYR4 | 2018 |
| Lithium | 14.7 µg/L No EPA limit set | 3/8 | UCMR-5 | 2023 |
| Dichloromethane | 0.3490 µg/L 7% of the EPA limit 5 µg/L
worst single sample: 0.3500 µg/L | 2/108 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 2 µg/L No EPA limit set | 2/14 | SYR4 | 2012–2019 |
| Gross Alpha, Excl. Radon And U | 2.012 pCi/L 13% of the EPA limit 15 pCi/L
worst single sample: 2.03 pCi/L | 2/5 | SYR4 | 2018 |
| Total Haloacetic Acids (HAA5) | 2 µg/L 3.3% of the EPA limit 60 µg/L | 2/14 | SYR4 | 2012–2019 |
| Tetrachloroethylene | 4.96 µg/L 99% of the EPA limit 5 µg/L | 1/108 | SYR4 | 2012–2019 |
| Toluene | 0.3280 µg/L 0% of the EPA limit 1000 µg/L | 1/108 | SYR4 | 2012–2019 |
| cis-1,2-Dichloroethylene | 0.4050 µg/L 0.6% of the EPA limit 70 µg/L | 1/108 | SYR4 | 2012–2019 |
50 contaminants tested, none detected
Utility contact
Frequently asked questions about Ho Ho Kus Water Dept
Is Ho Ho Kus Water Dept tap water safe to drink?
EPA monitoring detected 33 contaminants in Ho Ho Kus 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 Ho Ho Kus Water Dept's water?
EPA monitoring detected Copper, Dibromochloromethane, Bromoform, Lead, Nitrate, and others. The full list with the level and data source for each is above.
How many people does Ho Ho Kus Water Dept serve?
Ho Ho Kus Water Dept reports serving 4,060 people in New Jersey, per its EPA record.
Has Ho Ho Kus Water Dept had any water quality violations?
The EPA has 118 violations on file for Ho Ho Kus Water Dept, of which 4 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.