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 |
|---|---|---|---|
| TT | Health-based | Resolved | 2015-05-01 |
| TT | Health-based | Resolved | 2015-05-01 |
| TT | Health-based | Resolved | 2015-05-01 |
| TT | Health-based | Resolved | 2015-05-01 |
| TT | Health-based | Resolved | 1995-01-01 → 1997-12-30 |
| MR | Monitoring | Resolved | 2008-03-01 → 2008-03-31 |
| MR | Monitoring | Resolved | 2008-03-01 → 2008-03-31 |
| MR | Monitoring | Resolved | 2008-01-01 |
| MR | Monitoring | Resolved | 2008-01-01 |
| MR | Monitoring | Resolved | 2008-01-01 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Total Haloacetic Acids (HAA5) | 46 µg/L 77% of the EPA limit 60 µg/L
worst single sample: 69.9 µg/L | 248/249 | SYR4 | 2012–2019 |
| TTHM | 46.7 µg/L 58% of the EPA limit 80 µg/L
worst single sample: 53 µg/L | 247/248 | SYR4 | 2012–2019 |
| Bromodichloromethane | 4.5 µg/L No EPA limit set
worst single sample: 5.5 µg/L | 240/241 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 29.905 µg/L No EPA limit set
worst single sample: 47.4 µg/L | 240/241 | SYR4 | 2012–2019 |
| Chloroform | 42 µg/L No EPA limit set
worst single sample: 47 µg/L | 239/240 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 19.08 µg/L No EPA limit set
worst single sample: 22.5 µg/L | 237/240 | SYR4 | 2012–2019 |
| Lead | 0.0071 mg/L 48% of the EPA limit 0.0150 mg/L | 30/30 | LCR | 2026 |
| Monochloroacetic Acid | 2.385 µg/L No EPA limit set
worst single sample: 2.4 µg/L | 4/242 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 1.28 µg/L No EPA limit set
worst single sample: 1.3 µg/L | 3/242 | SYR4 | 2012–2019 |
| Dibromochloromethane | 0.4800 µg/L No EPA limit set
worst single sample: 0.5100 µg/L | 3/242 | SYR4 | 2012–2019 |
| Monobromoacetic Acid | 1.395 µg/L No EPA limit set
worst single sample: 1.4 µg/L | 2/242 | SYR4 | 2012–2019 |
31 contaminants tested, none detected
Utility contact
Frequently asked questions about Yonkers City
Is Yonkers City tap water safe to drink?
EPA monitoring detected 11 contaminants in Yonkers City'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 Yonkers City's water?
EPA monitoring detected Total Haloacetic Acids (HAA5), TTHM, Bromodichloromethane, Trichloroacetic Acid, Chloroform, and others. The full list with the level and data source for each is above.
How many people does Yonkers City serve?
Yonkers City reports serving 211,569 people in New York, per its EPA record.
Has Yonkers City had any water quality violations?
The EPA has 11 violations on file for Yonkers City, of which 5 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.