Water Quality: West Nyack, NY
24 water systems • 486,322 people served
Multiple Health ViolationsWater Quality Summary
West Nyack is served by 24 public water systems with a combined service population of 486,322 people, and has 437 EPA Safe Drinking Water Act violations on record. Critically, 124 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. West Nyack's violation count is 270% above the national average for New York. Contaminants associated with violations include Bromate, Contaminant 1017, Contaminant 1028, Contaminant 1032, Contaminant 2805.
Contaminants Found
Probable human carcinogen that increases the risk of kidney and thyroid cancers.
Common source: Ozonation of bromide-containing water; used as flour improver
EPA limit: 0.010 mg/L (10 ppb)
Broad category of chemicals formed during disinfection, associated with increased cancer risk and adverse reproductive effects.
Common source: Reaction of disinfectants (chlorine, ozone, chloramines) with organic matter
Indicates direct fecal contamination; associated with diarrhea, cramps, nausea, and potential severe illness.
Common source: Human and animal fecal waste
EPA limit: Zero tolerance (any positive triggers violations)
Total trihalomethanes are linked to increased risk of bladder cancer and adverse reproductive outcomes.
Common source: Reaction of chlorine disinfectants with naturally occurring organic matter in water
EPA limit: 0.080 mg/L (80 ppb)
Water Systems Serving West Nyack
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| VEOLIA WATER NEW YORK | NY4303673 | Surface Water | 270,000 | 34 |
| VEOLIA WATER NEW YORK, INC. RD-1 | NY5903444 | Surface Water | 146,732 | 14 |
| VEOLIA WATER NEW YORK, INC. RD-2 | NY5903456 | Surface Water | 57,301 | 10 |
| HERITAGE HILLS WATER SYSTEM | NY5917221 | Groundwater | 4,700 | 252 |
| BLUE LAKE | NY3512132 | Surface Water | 1,850 | 20 |
| MAHOPAC WATER CO | NY3905707 | Groundwater | 1,202 | 1 |
| INDIAN KILL | NY3503592 | Surface Water | 1,000 | 4 |
| CHATEAU RIDGE | NY3905685 | Groundwater | 440 | 1 |
| BONIVILLE WATER CO | NY3903640 | Groundwater | 376 | 1 |
| MISTY HILLS WATER SYSTEM | NY3920886 | Groundwater | 315 | 0 |
| UNION VALLEY ESTATES | NY3905696 | Groundwater | 273 | 0 |
| HILLSDALE ESTATE | NY3905712 | Groundwater | 270 | 3 |
| KNOLLS WATER CO., INC. | NY3503563 | Groundwater | 230 | 9 |
| STERLING LAKE | NY3512133 | Surface Water | 225 | 7 |
| LONDON BRIDGE WATER WORKS | NY3903647 | Groundwater | 224 | 32 |
| COUNTRY HILL ESTATES | NY3905694 | Groundwater | 203 | 0 |
| FOREST PARK HOMES | NY3905686 | Groundwater | 200 | 23 |
| HILLTOP MEADOWS WATER SUPPLY | NY3920281 | Groundwater | 196 | 4 |
| CAPRI ESTATES | NY3905684 | Groundwater | 172 | 1 |
| WOODHILL ESTATES | NY3905688 | Groundwater | 128 | 8 |
| ARCHER ESTATES | NY3905695 | Groundwater | 120 | 0 |
| FOREST PARK WATER CO PLANT #3 | NY5903487 | Groundwater | 67 | 12 |
| SPRING KNOLLS | NY3916004 | Groundwater | 53 | 0 |
| N.Y.U. HOUSING | NY3503034 | Groundwater | 45 | 1 |
Concerned About Your Water?
A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.
Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.
Other Cities in New York
Data Sources
Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.